CN221072438U - Spraying equipment and have its watering lorry - Google Patents

Abstract

The utility model provides spraying equipment and a sprinkler with the same. Wherein the spraying apparatus comprises: a spraying device; the liquid storage device is provided with a liquid storage cavity and a liquid outlet communicated with the liquid storage cavity; the pneumatic valve is used for controlling the on-off states of the injection device and the liquid outlet; the gas storage device is provided with a gas storage cavity and a first gas outlet communicated with the gas storage cavity; the control valve is arranged between the pneumatic valve and the first air outlet and used for controlling the on-off state of the pneumatic valve and the first air outlet; when the control valve controls the pneumatic valve to be communicated with the first air outlet, the air exhausted from the first air outlet drives the pneumatic valve to be opened, and the spraying device is communicated with the liquid outlet and sprays liquid; when the control valve controls the pneumatic valve to be disconnected with the first air outlet, the pneumatic valve is closed, and the spraying device is disconnected with the liquid outlet. The utility model effectively solves the problems of complex structure and high processing cost of the mining explosion-proof sprinkler in the prior art.

Description

Spraying equipment and have its watering lorry

Technical Field

The utility model relates to the technical field of mining explosion-proof watering carts, in particular to spraying equipment and a watering cart with the same.

Background

At present, an explosion-proof sprinkler is usually required to be used for flushing and cleaning a road surface in a coal mine, a valve is required to be arranged in a waterway of the explosion-proof sprinkler so as to control on-off of the waterway, and then various sprinkling functions of the sprinkler are controlled, and a plurality of control pipelines are also required to be arranged in the waterway so that a worker can remotely control the on-off state of each valve in a cab.

In the prior art, a pneumatic control scheme is adopted by a part of explosion-proof sprinkler, wherein the pneumatic control scheme is to arrange a pneumatic valve in a waterway pipeline and an air compressor on a sprinkler body, and the pneumatic valve is controlled to be opened by controlling the air compressor to start so as to introduce high-pressure gas into the pneumatic valve, so that the conduction of the waterway pipeline is realized.

However, due to the high cost of the air compressor and the need to provide a series of elements and devices in the car body for ensuring the normal operation of the air pressure system during use, the overall structure of the mining explosion-proof sprinkler is complex and the processing cost is high.

Disclosure of utility model

The utility model mainly aims to provide spraying equipment and a sprinkler with the same, so as to solve the problems of complex structure and high processing cost of the mining explosion-proof sprinkler in the prior art.

In order to achieve the above object, according to one aspect of the present utility model, there is provided an ejection apparatus comprising: a spraying device for spraying the liquid; the liquid storage device is used for storing liquid and is provided with a liquid storage cavity and a liquid outlet communicated with the liquid storage cavity; the pneumatic valve is arranged between the injection device and the liquid outlet and used for controlling the on-off states of the injection device and the liquid outlet; the gas storage device is used for storing gas and is provided with a gas storage cavity and a first gas outlet communicated with the gas storage cavity; the control valve is arranged between the pneumatic valve and the first air outlet and used for controlling the on-off state of the pneumatic valve and the first air outlet; when the control valve controls the pneumatic valve to be communicated with the first air outlet, the air exhausted from the first air outlet drives the pneumatic valve to be opened, and the spraying device is communicated with the liquid outlet and sprays liquid; when the control valve controls the pneumatic valve to be disconnected with the first air outlet, the pneumatic valve is closed, and the spraying device is disconnected with the liquid outlet.

Further, the control valve is an electromagnetic reversing valve.

Further, the injection device is a plurality of, and pneumatic valve is a plurality of, and injection apparatus still includes: the first end of the first main pipeline is communicated with the first liquid outlet; the first ends of the first branch pipelines are communicated with the second ends of the first main pipelines, the first branch pipelines are arranged in one-to-one correspondence with the injection devices, and the second ends of the first branch pipelines are communicated with the injection devices corresponding to the first branch pipelines; the pneumatic valves are arranged on the first branch pipelines corresponding to the pneumatic valves one by one so as to control the on-off state of the first branch pipelines.

Further, the control valve is plural, and the injection apparatus further includes: the first end of the second main pipeline is communicated with the first air outlet; the first ends of the second branch pipelines are communicated with the second ends of the second main pipelines, the second branch pipelines are arranged in one-to-one correspondence with the pneumatic valves, and the second ends of the second branch pipelines are communicated with the corresponding pneumatic valves; the control valves are arranged on the corresponding second branch pipelines to control the on-off state of the second branch pipelines.

Further, the injection apparatus further includes a pump body disposed on the first main pipe for pumping the liquid stored in the liquid storage device into the injection device via the first main pipe.

Further, the gas storage device is also provided with a gas inlet communicated with the gas storage cavity, the injection equipment further comprises an inflation assembly, and the inflation assembly comprises: the first end of the air charging pipeline is communicated with the air inlet; the quick connector is arranged at the second end of the air charging pipeline and is used for being connected with an air supply device; the booster is arranged on the air charging pipeline and used for increasing the air pressure in the air charging pipeline; the filter device is arranged on the inflation pipeline and is positioned between the supercharger and the quick connector; and/or the filter device is located between the supercharger and the air inlet.

Further, the gas storage device further has a second gas outlet communicated with the gas storage cavity, and the spraying device further includes: the safety valve is communicated with the second air outlet and the outside; when the gas pressure value in the gas storage cavity is larger than or equal to a preset value, the safety valve is opened, so that at least part of gas in the gas storage cavity is discharged to the outside through the second gas outlet.

Further, the gas storage device is further provided with a water outlet communicated with the gas storage cavity, the water outlet is positioned at the bottom of the gas storage device, and the spraying device further comprises: and the drainage valve is communicated with the drainage outlet and the outside and is used for draining liquid in the air storage cavity.

Further, the injection apparatus further includes: the detection device is arranged on the gas storage device and provided with a detection probe, and at least part of the detection probe stretches into the gas storage cavity to be used for detecting the gas pressure value in the gas storage cavity.

According to another aspect of the present utility model, there is provided a sprinkler including a body and a spray device disposed on the body; wherein the spraying device is the spraying device.

By applying the technical scheme of the utility model, the spraying device of the spraying equipment is used for spraying liquid, the liquid storage device is used for storing liquid and is provided with a liquid storage cavity and a liquid outlet communicated with the liquid storage cavity, the pneumatic valve is arranged between the spraying device and the liquid outlet and used for controlling the on-off state of the spraying device and the liquid outlet, the gas storage device is used for storing gas and is provided with a gas storage cavity and a first gas outlet communicated with the gas storage cavity, and the control valve is arranged between the pneumatic valve and the first gas outlet and used for controlling the on-off state of the pneumatic valve and the first gas outlet. When the control valve controls the pneumatic valve to be communicated with the first air outlet, the air exhausted from the first air outlet drives the pneumatic valve to be opened, and the spraying device is communicated with the liquid outlet and sprays liquid. When the control valve controls the pneumatic valve to be disconnected with the first air outlet, the pneumatic valve is closed, and the spraying device is disconnected with the liquid outlet. Like this, when staff control valve opens, gas storage device and pneumatic valve intercommunication and drive pneumatic valve open, so that injection apparatus and reservoir equipment intercommunication, injection apparatus begins to spray liquid, when staff control valve closes, gas storage device and pneumatic valve stop the intercommunication, pneumatic valve closes, so that injection apparatus and reservoir equipment stop the intercommunication, and then it need not to set up air compressor and supporting component and the device that uses on the watering lorry to spray liquid, also the running state of accessible pneumatic means control injection apparatus, the structure complexity and the processing cost of watering lorry have been reduced to a great extent, and then the structure of mining explosion-proof watering lorry is comparatively complicated among the prior art has been solved, the processing degree of difficulty of staff has been reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

Fig. 1 shows a schematic overall structure of an embodiment of an ejection device according to the present utility model.

Wherein the above figures include the following reference numerals:

1. A spraying device; 2. a liquid storage device; 201. a liquid outlet; 3. a pneumatic valve; 4. a gas storage device; 401. a first air outlet; 402. an air inlet; 403. a second air outlet; 404. a water outlet; 5. a control valve; 6. a first main line; 7. a first branch pipe; 8. a second main line; 9. a second branch pipe; 10. a pump body; 11. an inflation line; 12. a quick connector; 13. a supercharger; 14. a filtering device; 15. a safety valve; 16. a drain valve; 17. and a detection device.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used generally with respect to the orientation shown in the drawings or to the vertical, vertical or gravitational orientation; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

The application provides spraying equipment and a sprinkler with the same, aiming at solving the problems of complex structure and high processing cost of a mining explosion-proof sprinkler in the prior art.

As shown in fig. 1, the spraying device comprises a spraying device 1, a liquid storage device 2, a pneumatic valve 3, a gas storage device 4 and a control valve 5, wherein the spraying device 1 is used for spraying liquid. The liquid storage device 2 is used for storing liquid, and the liquid storage device 2 is provided with a liquid storage cavity and a liquid outlet 201 communicated with the liquid storage cavity. The pneumatic valve 3 is disposed between the injection device 1 and the liquid outlet 201, for controlling the on-off state of the injection device 1 and the liquid outlet 201. The gas storage device 4 is used for storing gas, and the gas storage device 4 is provided with a gas storage cavity and a first gas outlet 401 communicated with the gas storage cavity. The control valve 5 is disposed between the air-operated valve 3 and the first air outlet 401, for controlling the on-off state of the air-operated valve 3 and the first air outlet 401. Wherein, when the control valve 5 controls the pneumatic valve 3 to be communicated with the first air outlet 401, the air discharged from the first air outlet 401 drives the pneumatic valve 3 to be opened, and the spraying device 1 is communicated with the liquid outlet 201 and sprays liquid; when the control valve 5 controls the pneumatic valve 3 to be disconnected from the liquid outlet 201, the pneumatic valve 3 is closed, and the injection device 1 is disconnected from the liquid outlet 201.

By applying the technical scheme of the embodiment, the spraying device 1 of the spraying equipment is used for spraying liquid, the liquid storage device 2 is used for storing liquid and is provided with a liquid storage cavity and a liquid outlet 201 communicated with the liquid storage cavity, the pneumatic valve 3 is arranged between the spraying device 1 and the liquid outlet 201 and used for controlling the on-off state of the spraying device 1 and the liquid outlet 201, the gas storage device 4 is used for storing gas and is provided with a gas storage cavity and a first gas outlet 401 communicated with the gas storage cavity, and the control valve 5 is arranged between the pneumatic valve 3 and the first gas outlet 401 and used for controlling the on-off state of the pneumatic valve 3 and the first gas outlet 401. Wherein, when the control valve 5 controls the pneumatic valve 3 to be communicated with the first air outlet 401, the air discharged from the first air outlet 401 drives the pneumatic valve 3 to be opened, and the spraying device 1 is communicated with the liquid outlet 201 and sprays liquid. When the control valve 5 controls the pneumatic valve 3 to be disconnected from the first air outlet 401, the pneumatic valve 3 is closed, and the injection device 1 is disconnected from the liquid outlet 201. Like this, when staff control valve 5 opens, gas storage device 4 and pneumatic valve 3 intercommunication and drive pneumatic valve 3 open, so that injection device 1 and liquid storage device 2 intercommunication, injection device 1 begins to spray liquid, when staff control valve 5 closes, gas storage device 4 and pneumatic valve 3 stop the intercommunication, pneumatic valve 3 closes, so that injection device 1 and liquid storage device 2 stop the intercommunication, injection device 1 stops spraying liquid, and then the operation state that makes injection device 1 be controlled to the pneumatic mode on the watering lorry need not to set up air compressor and supporting component and the device that uses, also the structure complexity and the processing cost of watering lorry have been reduced to a great extent, and then the structure of mining explosion-proof watering lorry is comparatively complicated among the prior art has been solved, the processing degree of difficulty of staff has been reduced.

Alternatively, the spraying device 1 is a sprayer or a rinse nozzle or a spray nozzle.

In this embodiment, the spraying device 1 comprises a sprayer, a rinse nozzle and a spray nozzle. In this way, the above arrangement enables the ejection apparatus to eject liquids of different states to improve the cleaning reliability of the ejection apparatus.

In this embodiment, the gas storage device 4 stores high-pressure gas therein to drive the pneumatic valve 3 to act through the high-pressure gas.

Alternatively, the control valve 5 is an electromagnetic directional valve. Thus, the above arrangement enables the control valve 5 to perform its function of controlling the communication or disconnection of the air storage device 4 with the air-operated valve 3; on the other hand, the structure of the control valve 5 is simpler, and the control valve is easy to process and realize, so that the processing cost of the control valve 5 is reduced.

In this embodiment, the control valve 5 is a pneumatic explosion-proof electromagnetic directional valve of the electromagnetic directional valves. Like this, above-mentioned setting makes control valve 5 can adapt to high temperature, high dust and high vibration's abominable operational environment, and then has prolonged control valve 5's life.

Specifically, the pneumatic explosion-proof electromagnetic reversing valve is provided with a first input port, a second input port and an output port, wherein the first input port is communicated with the gas storage device 4, the second input port is communicated with the outside, the output port is communicated with the pneumatic valve 3, when the first input port is communicated with the output port, the gas storage device 4 is communicated with the pneumatic valve 3, the pneumatic valve 3 is opened under the driving of high-pressure gas in the gas storage device 4, when the second input port is communicated with the output port, the gas storage device 4 is disconnected from the pneumatic valve 3, and the pneumatic valve 3 is communicated with the atmosphere and is closed.

Optionally, the injection device 1 is multiple, the pneumatic valve 3 is multiple, the injection device further comprises a first main pipeline 6 and a plurality of first branch pipelines 7, and a first end of the first main pipeline 6 is communicated with the first liquid outlet 201. The first ends of the first branch pipelines 7 are communicated with the second ends of the first main pipelines 6, the first branch pipelines 7 are arranged in one-to-one correspondence with the injection devices 1, and the second ends of the first branch pipelines 7 are communicated with the injection devices 1 corresponding to the first branch pipelines. The pneumatic valves 3 are arranged in one-to-one correspondence with the first branch pipelines 7, and each pneumatic valve 3 is arranged on the corresponding first branch pipeline 7 to control the on-off state of the first branch pipeline 7. In this way, the above arrangement on the one hand enables the liquid storage device 2 to communicate with the plurality of injection devices 1 via the first main line 6 and the plurality of first branch lines 7, thereby supplying the plurality of injection devices 1 with liquid; on the other hand, the operating state of the individual injection devices 1 can be controlled by means of pneumatic valves 3 provided on the individual first branch lines 7. Meanwhile, the setting number of the injection device 1, the pneumatic valve 3 and the first branch pipeline 7 is more flexible and various to adapt to different working conditions and use requirements, and the processing flexibility of staff is also improved.

In the present embodiment, the number of the spraying devices 1 is five, and the five spraying devices 1 include one sprayer, two flushing nozzles, and two spraying nozzles. In this way, the above arrangement not only increases the spraying range of the spraying device, but also enables the spraying device to spray liquids in different states, and further improves the cleaning reliability of the spraying device.

It should be noted that the number of the injection devices 1 is not limited to this, and may be adjusted according to the working conditions and the use requirements. Alternatively, the injection device 1 is one, or two, or three, or four, or six, or seven, or more.

In the present embodiment, the number of first branch pipes 7 is five, and the five first branch pipes 7 are provided in one-to-one correspondence with the five injection devices 1.

It should be noted that the number of the first branch pipes 7 is not limited thereto, and may be adjusted according to the working condition and the use requirement. Alternatively, the first branch pipe 7 is one, or two, or three, or four, or six, or seven, or more.

In the present embodiment, the number of the pneumatic valves 3 is five, and the five pneumatic valves 3 are arranged in one-to-one correspondence with the five first branch pipes 7.

It should be noted that the number of the pneumatic valves 3 is not limited to this, and can be adjusted according to the working conditions and the use requirements. Alternatively, the pneumatic valve 3 is one, or two, or three, or four, or six, or seven, or more.

Optionally, the control valve 5 is multiple, and the injection device further includes a second main pipe 8 and multiple second branch pipes 9, where a first end of the second main pipe 8 is communicated with the first air outlet 401. The first end of each second branch pipeline 9 is communicated with the second end of the second main pipeline 8, a plurality of second branch pipelines 9 are arranged in one-to-one correspondence with a plurality of pneumatic valves 3, and the second end of each second branch pipeline 9 is communicated with the corresponding pneumatic valve 3. The plurality of control valves 5 are arranged in one-to-one correspondence with the plurality of second branch pipelines 9, and each control valve 5 is arranged on the corresponding second branch pipeline 9 to control the on-off state of the second branch pipeline 9. Thus, the arrangement described above enables, on the one hand, a worker to control the state of communication between the gas storage device 4 and each of the air-operated valves 3, and thus the operation state of each of the injection devices 1, by controlling the on-off states of the plurality of control valves 5; on the other hand, the number of the control valves 5 and the second branch pipelines 9 is more flexible and various, so as to adapt to different working conditions and use requirements, and the processing flexibility of staff is improved.

In this embodiment, there are five second branch pipes 9, and the five second branch pipes 9 are disposed in one-to-one correspondence with the five pneumatic valves 3.

It should be noted that the number of the second branch pipes 9 is not limited thereto, and may be adjusted according to the working condition and the use requirement. Optionally, the second branch pipe 9 is one, or two, or three, or four, or six, or seven, or more.

In the present embodiment, the number of the control valves 5 is five, and the five control valves 5 are provided in one-to-one correspondence with the five second branch pipes 9.

It should be noted that the number of the control valves 5 is not limited to this, and may be adjusted according to the working conditions and the use requirements. Alternatively, the control valve 5 is one, or two, or three, or four, or six, or seven, or more.

As shown in fig. 1, the injection device further comprises a pump body 10, the pump body 10 being arranged on the first main conduit 6 for pumping the liquid stored in the liquid reservoir 2 into the injection device 1 via the first main conduit 6. Thus, the above arrangement provides power for the injection of liquid by the injection device 1 through the pump body 10 on the one hand, to ensure that the injection device 1 can operate normally; on the other hand, the pump body 10 provided on the first main line 6 is capable of pumping the liquid in the liquid reservoir 2 into each first branch line 7 and thus into each injection device 1.

Optionally, the gas storage device 4 further has a gas inlet 402 communicating with the gas storage cavity, and the injection device further includes an inflation assembly, where the inflation assembly includes an inflation pipeline 11, a quick connector 12, a supercharger 13, and a filter device 14, and a first end of the inflation pipeline 11 communicates with the gas inlet 402. A quick connector 12 is provided on a second end of the inflation line 11 for connection to an air supply. A booster 13 is provided on the inflation line 11 for increasing the air pressure in the inflation line 11. The filter device 14 is arranged on the charging pipeline 11, and the filter device 14 is positioned between the supercharger 13 and the quick connector 12; and/or the filter device 14 is located between the supercharger 13 and the air intake 402. In this way, the worker can operate the quick connector 12 to be connected with the air supply device and charge air in the air storage device 4 through the air supply device, so that the air storage device 4 can be reused, and the running cost of the spraying equipment is reduced. Meanwhile, the arrangement increases the gas pressure in the gas charging pipeline 11 through the booster 13 on one hand so as to increase the charging speed of the gas storage device 4; on the other hand, the gas entering the supercharger 13 and the gas storage device 4 is filtered through the filtering device 14, so that the damage to the supercharger 13 and the gas storage device 4 caused by the entry of impurities is avoided, and the service life of the inflation assembly is prolonged.

In the present embodiment, the quick connector 12 is a self-sealing quick connector. In this way, when the air storage device 4 is not inflated, the quick connector 12 can seal the air storage device 4 so as to ensure the normal operation of the spraying device.

In this embodiment, there are two filter devices 14, one filter device 14 is located between the booster 13 and the quick connector 12, and the other filter device 14 is located between the booster 13 and the air inlet 402, so as to perform double filtration on the air entering the air storage device 4, and further ensure the operation stability of the injection apparatus.

It should be noted that the number of the filter devices 14 is not limited thereto, and may be adjusted according to the working conditions and the use requirements. Alternatively, the filter device 14 is one, or three, or four, or five, or six, or seven, or more.

In other embodiments not shown in the drawings, the filter device is located between the supercharger and the quick connector.

In other embodiments not shown in the drawings, the filter means is located between the supercharger and the air intake.

In this embodiment, the air supply device is a high-pressure air pipeline arranged on the construction site to further reduce the running cost of the injection apparatus.

Optionally, the air supply device is an air compressor.

As shown in fig. 1, the gas storage device 4 further has a second gas outlet 403 communicating with the gas storage cavity, and the spraying apparatus further includes a safety valve 15, where the safety valve 15 communicates with both the second gas outlet 403 and the outside. When the pressure value of the gas in the gas storage cavity is greater than or equal to the preset value, the safety valve 15 is opened, so that at least part of the gas in the gas storage cavity is discharged to the outside through the second gas outlet 403. In this way, the arrangement can avoid the damage of the gas storage device 4 caused by the overlarge pressure in the gas storage cavity, thereby prolonging the service life of the gas storage device 4.

As shown in fig. 1, the gas storage device 4 further has a water outlet 404 communicating with the gas storage cavity, the water outlet 404 is located at the bottom of the gas storage device 4, and the injection apparatus further includes a water discharge valve 16, the water discharge valve 16 is communicated with both the water outlet 404 and the outside, and the water discharge valve 16 is used for discharging the liquid in the gas storage cavity. In this way, the liquid in the air storage cavity is discharged through the drain valve 16, so that the phenomenon that the liquid flows into the subsequent control valve 5 along with the gas to damage the control valve 5 can be avoided, and the service life of the control valve 5 is prolonged.

Specifically, in the actual inflation process of the gas storage device 4, moisture carried in the gas is inevitably condensed in the gas storage device 4 and stays in the gas storage device 4, if the condensed liquid is too much accumulated, the condensed liquid can enter the control valve 5 along with the gas, and as the control valve 5 is an actually electrically operated electromagnetic directional valve, if the liquid enters the electromagnetic directional valve, the electromagnetic directional valve can be damaged. The condensate in the gas storage device 4 is discharged periodically through the drain valve 16, so that the running stability of the injection equipment can be effectively improved, and the service life of the control valve 5 is prolonged.

As shown in fig. 1, the injection device further comprises a detection device 17, wherein the detection device 17 is arranged on the gas storage device 4 and is provided with a detection probe, and at least part of the detection probe extends into the gas storage cavity so as to be used for detecting the gas pressure value in the gas storage cavity. Like this, the staff can be through the detection value of detection device 17 in order to control the inflation of gas storage device 4 often, and then control the atmospheric pressure value in the gas storage device 4 to avoid the atmospheric pressure in the gas storage device 4 too big and lead to gas storage device 4 to damage, even explode, and then promoted the operational safety of staff, prolonged the life of gas storage device 4.

Alternatively, the gas storage device 4 is a gas tank.

In this embodiment, the detecting device 17 is a barometer, and the staff can determine the air pressure value in the air tank through the display value of the gauge head of the barometer.

The application also provides a sprinkler (not shown) comprising a body and a spraying device arranged on the body. Wherein the spraying device is the spraying device.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

The injection device of the injection equipment is used for injecting liquid, the liquid storage device is used for storing liquid and is provided with a liquid storage cavity and a liquid outlet communicated with the liquid storage cavity, the pneumatic valve is arranged between the injection device and the liquid outlet and used for controlling the on-off state of the injection device and the liquid outlet, the gas storage device is used for storing gas and is provided with a gas storage cavity and a first gas outlet communicated with the gas storage cavity, and the control valve is arranged between the pneumatic valve and the first gas outlet and used for controlling the on-off state of the pneumatic valve and the first gas outlet. When the control valve controls the pneumatic valve to be communicated with the first air outlet, the air exhausted from the first air outlet drives the pneumatic valve to be opened, and the spraying device is communicated with the liquid outlet and sprays liquid. When the control valve controls the pneumatic valve to be disconnected with the first air outlet, the pneumatic valve is closed, and the spraying device is disconnected with the liquid outlet. Like this, when staff control valve opens, gas storage device and pneumatic valve intercommunication and drive pneumatic valve open, so that injection apparatus and reservoir equipment intercommunication, injection apparatus begins to spray liquid, when staff control valve closes, gas storage device and pneumatic valve stop the intercommunication, pneumatic valve closes, so that injection apparatus and reservoir equipment stop the intercommunication, and then it need not to set up air compressor and supporting component and the device that uses on the watering lorry to spray liquid, also the running state of accessible pneumatic means control injection apparatus, the structure complexity and the processing cost of watering lorry have been reduced to a great extent, and then the structure of mining explosion-proof watering lorry is comparatively complicated among the prior art has been solved, the processing degree of difficulty of staff has been reduced.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An ejection apparatus, comprising:

An ejection device (1) for ejecting a liquid;

A liquid storage device (2) for storing liquid, wherein the liquid storage device (2) is provided with a liquid storage cavity and a liquid outlet (201) communicated with the liquid storage cavity;

The pneumatic valve (3) is arranged between the injection device (1) and the liquid outlet (201) and used for controlling the on-off states of the injection device (1) and the liquid outlet (201);

The gas storage device (4) is used for storing gas, and the gas storage device (4) is provided with a gas storage cavity and a first gas outlet (401) communicated with the gas storage cavity;

The control valve (5) is arranged between the pneumatic valve (3) and the first air outlet (401) and is used for controlling the on-off states of the pneumatic valve (3) and the first air outlet (401);

Wherein when the control valve (5) controls the pneumatic valve (3) to be communicated with the first air outlet (401), the air exhausted from the first air outlet (401) drives the pneumatic valve (3) to be opened, and the injection device (1) is communicated with the liquid outlet (201) and injects liquid; when the control valve (5) controls the pneumatic valve (3) to be disconnected from the first air outlet (401), the pneumatic valve (3) is closed, and the injection device (1) is disconnected from the liquid outlet (201).

2. The injection device according to claim 1, characterized in that the control valve (5) is an electromagnetic directional valve.

3. The injection apparatus according to claim 1, wherein the injection device (1) is plural, the pneumatic valve (3) is plural, the injection apparatus further comprising:

A first main pipeline (6), wherein a first end of the first main pipeline (6) is communicated with the liquid outlet (201);

A plurality of first branch pipelines (7), wherein a first end of each first branch pipeline (7) is communicated with a second end of the first main pipeline (6), the plurality of first branch pipelines (7) are arranged in one-to-one correspondence with the plurality of injection devices (1), and a second end of each first branch pipeline (7) is communicated with the corresponding injection device (1);

The pneumatic valves (3) are arranged in one-to-one correspondence with the first branch pipelines (7), and each pneumatic valve (3) is arranged on the corresponding first branch pipeline (7) to control the on-off state of the first branch pipeline (7).

4. A spraying device according to claim 3, characterized in that the control valve (5) is a plurality, the spraying device further comprising:

A second main pipe (8), a first end of the second main pipe (8) being in communication with the first air outlet (401);

A plurality of second branch pipelines (9), wherein the first end of each second branch pipeline (9) is communicated with the second end of the second main pipeline (8), the plurality of second branch pipelines (9) are arranged in one-to-one correspondence with the plurality of pneumatic valves (3), and the second end of each second branch pipeline (9) is communicated with the corresponding pneumatic valve (3);

the control valves (5) are arranged in one-to-one correspondence with the second branch pipelines (9), and each control valve (5) is arranged on the corresponding second branch pipeline (9) to control the on-off state of the second branch pipeline (9).

5. A spraying device according to claim 3, characterized in that it further comprises a pump body (10), which pump body (10) is arranged on the first main line (6) for pumping the liquid stored in the liquid storage means (2) into the spraying device (1) via the first main line (6).

6. The spraying device according to claim 1, characterized in that the gas storage means (4) further has a gas inlet (402) communicating with the gas storage chamber, the spraying device further comprising an inflation assembly comprising:

-an inflation line (11), a first end of the inflation line (11) being in communication with the air inlet (402);

A quick connector (12), the quick connector (12) being arranged on the second end of the inflation line (11) for connection with an air supply device;

A supercharger (13) provided on the inflation line (11) for increasing the air pressure in the inflation line (11);

The filter device (14) is arranged on the air charging pipeline (11), and the filter device (14) is positioned between the supercharger (13) and the quick connector (12); and/or the filter device (14) is located between the supercharger (13) and the air inlet (402).

7. The spraying device according to claim 1, characterized in that the gas storage means (4) further has a second gas outlet (403) communicating with the gas storage chamber, the spraying device further comprising:

A safety valve (15) communicated with the second air outlet (403) and the outside; when the gas pressure value in the gas storage cavity is greater than or equal to a preset value, the safety valve (15) is opened, so that at least part of the gas in the gas storage cavity is discharged to the outside through the second gas outlet (403).

8. The spraying apparatus according to claim 1, wherein the gas storage device (4) further has a drain opening (404) in communication with the gas storage chamber, the drain opening (404) being located at the bottom of the gas storage device (4), the spraying apparatus further comprising:

and the drainage valve (16) is communicated with the drainage outlet (404) and the outside, and the drainage valve (16) is used for draining liquid in the air storage cavity.

9. The spraying apparatus according to claim 1, further comprising:

The detection device (17) is arranged on the gas storage device (4) and is provided with a detection probe, and at least part of the detection probe stretches into the gas storage cavity to be used for detecting the gas pressure value in the gas storage cavity.

10. A sprinkler comprising a body and a spraying device, the spraying device being disposed on the body; wherein the spraying device is the spraying device of any one of claims 1 to 9.