CN215313257U

CN215313257U - Diaphragm pump spray gun with timing and quantifying functions

Info

Publication number: CN215313257U
Application number: CN202121027161.1U
Authority: CN
Inventors: 郑育平
Original assignee: SHENZHEN HUAJIANG TECHNOLOGY CO LTD
Current assignee: SHENZHEN HUAJIANG TECHNOLOGY CO LTD
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-28
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a timing and quantitative diaphragm pump spray gun which comprises a contact switch and a self-locking switch, wherein the self-locking switch comprises a moving part, the moving part rotates and presses the contact switch, the contact switch is connected with a control PCB, the control PCB is provided with a timing module, the timing module is connected with and controls a diaphragm pump, and the diaphragm pump is connected with a spray nozzle. The self-locking switch is used for pressing the contact switch, the contact switch is turned on to start and control the PCB and the diaphragm pump, the diaphragm pump operates for a certain time under the control of the timing module of the PCB, and liquid is output from the nozzle within the operating time, so that the consumption and the injection time of the liquid such as medicines, chemical preparations and the like are limited in the injection process.

Description

Diaphragm pump spray gun with timing and quantifying functions

Technical Field

The utility model relates to the technical field of medicine spraying and chemical preparation equipment, in particular to a diaphragm pump spray gun with timing and quantification.

Background

The liquid with corrosivity or certain viscosity such as the medicine and the chemical preparation is usually sprayed when in use, the covering range of the medicine and the chemical preparation is enlarged by applying the liquid pressure, time and labor are saved, and meanwhile, the effect of the medicine and the chemical preparation is good. In order to reduce the corrosion of medicines, chemical preparations and the like to the spraying device, the spraying power mechanism mostly adopts a diaphragm pump, so that the service life of the spraying device is prolonged, the assembly of the diaphragm pump for the spraying device is simpler, the friction force is small, the energy consumption is lower, and the diaphragm pump is more suitable for spraying the medicines and the chemical preparations relative to other power mechanisms.

Due to the particularity of the medicines and the chemical preparations, the dosage and the spraying time in the spraying process need to be controlled relatively strictly, so that the medicines and the chemical preparations achieve better using effects. However, the conventional spraying device does not have related control structure and control function, and the spraying device with timing and quantitative functions has complex structure, larger volume and higher cost.

The above disadvantages need to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a diaphragm pump spray gun with timing and quantification.

The technical scheme of the utility model is as follows:

the utility model provides a diaphragm pump spray gun of timing ration, includes contact switch and self-locking switch, self-locking switch includes the moving part, the moving part rotates and presses contact switch, contact switch is connected with the control PCB board, the control PCB board sets up the timing module, the diaphragm pump is connected and controlled to the timing module, the nozzle is connected to the diaphragm pump.

According to the diaphragm pump spray gun with the timing and quantitative functions, one end of the moving part is hinged to the gun body, and the other end of the moving part rotates around a hinged point to be connected with the contact switch.

According to the diaphragm pump spray gun with the timing and quantitative functions, the movable part is provided with the wing plate, the movable part drives the wing plate to move through rotation, and the wing plate presses the contact switch.

The spray gun of the timing and quantitative diaphragm pump comprises a pump body and a driving motor, wherein the contact switch is connected with and controls the driving motor through a connecting wire, the driving motor is connected with the timing module, and the driving motor is connected with and controls the pump body.

Furthermore, the pump body comprises a rotating assembly, a swinging piece, a diaphragm assembly and a shell, one end of the rotating assembly is connected with the driving motor, the other end of the rotating assembly is connected with the diaphragm assembly through the swinging piece, and the diaphragm assembly and the shell form a pump chamber.

Still further, the diaphragm subassembly include the feed liquor valve block, with the silica gel cavity that the feed liquor valve block is relative and go out the liquid valve block, the feed liquor valve block sets up silica gel cavity top, it sets up to go out the liquid valve block the liquid outlet below of pump chamber, the silica gel cavity inserts the connecting portion of swing piece makes the diaphragm subassembly with swing piece is connected.

Furthermore, when the silica gel cavity is stretched, the liquid inlet valve plate is opened, and the liquid outlet valve plate is closed; when the silica gel cavity is extruded, the liquid inlet valve plate is closed, and the liquid outlet valve plate is opened.

The spray gun comprises a gun body and the nozzle, the gun body is internally provided with the diaphragm pump and a power supply, the power supply is connected with the diaphragm pump, a liquid inlet of the diaphragm pump is connected with a liquid inlet pipe, a liquid outlet of the diaphragm pump is connected with a liquid outlet pipe, and the liquid outlet pipe is connected with the nozzle.

Furthermore, the liquid inlet pipe extends to the outside of the gun body and is connected with a liquid drawing ball, and a threaded cover fixed on the liquid drawing container is arranged on the outside of the gun body of the liquid inlet pipe.

Furthermore, a plurality of fixed slotted holes are formed in the gun body, and the liquid inlet pipe and the liquid outlet pipe penetrate through the fixed slotted holes to be fixed in the gun body.

Further, the gun body is internally provided with a fixing groove, and the contact switch is embedded into the fixing groove and fixed.

According to the scheme, the self-locking type sprayer has the advantages that the contact switch is pressed through the self-locking switch, the contact switch is turned on, the PCB and the diaphragm pump are controlled to be started, the diaphragm pump operates for a certain time under the control of the timing module of the PCB, and liquid is output from the nozzle within the operating time, so that the using amount and the spraying time of liquid such as medicines, chemical preparations and the like are limited in the spraying process.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention.

Fig. 3 is an exploded view of the diaphragm pump.

Wherein, in the figures, the respective reference numerals:

1. a gun body;

2. a liquid inlet pipe; 21. a threaded cap; 22. liquid sucking balls;

3. a liquid outlet pipe;

4. a nozzle;

5. a power source;

6. a diaphragm pump; 61. a drive motor; 62. a pump body; 63. a rotating assembly; 64. a swinging member; 65. a diaphragm assembly; 651. a liquid inlet valve plate; 652. a liquid outlet valve plate; 653. a silica gel cavity; 66. a housing; 661. a pump chamber;

7. a self-locking switch; 71. a movable member;

8. a contact switch; 81. and connecting the wires.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. The terms "upper", "lower", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are only for convenience of description and not to be construed as limiting the technical solution. The meaning of "a number" is one or more unless specifically limited otherwise.

The utility model provides a diaphragm pump spray gun at regular time and quantity, as shown in figure 1, includes contact switch 8 and self-locking switch 7, and self-locking switch 7 includes moving part 71, and moving part 71 rotates and presses contact switch 8, and contact switch 8 is connected with the control PCB board, and the control PCB board sets up the timing module, and the diaphragm pump 6 is connected and is controlled to the timing module, and the nozzle 4 is connected to diaphragm pump 6. According to the utility model, the self-locking switch 7 is pressed and the contact switch 8 arranged in the self-locking switch 7 is pressed simultaneously, the contact switch 8 starts the diaphragm pump 6, so that the diaphragm pump 6 operates for a period of time at regular time under the control of the control PCB, and the liquid volume sprayed each time by the diaphragm pump 6 is constant, and the total amount of the liquid sprayed in a fixed time is constant, so that the spray gun can realize regular and quantitative spraying, thereby controlling the dosage and spraying time of medicines and chemical preparations, and being convenient for more accurate spraying operation, such as spraying quantitative medicines to crops.

As shown in fig. 1, the spray gun includes a gun body 1 and a nozzle 4, a diaphragm pump 6 and a power supply 5 are built in the gun body 1, and the power supply 5 is connected to the diaphragm pump 6 and supplies power to the diaphragm pump 6. Liquid inlet pipe 2 is connected to the inlet of diaphragm pump 6, and liquid outlet pipe 3 is connected through connecting to the liquid outlet of diaphragm pump 6, and liquid outlet pipe 3 is connected with nozzle 4. The liquid inlet pipe 2 extends to the outside of the gun body 1 and is connected with the liquid drawing ball 22, the screw cap 21 fixed on the liquid drawing container is arranged on the outer portion of the gun body 1 of the liquid inlet pipe 2, the screw cap 21 is installed on the liquid drawing container, so that the position of the liquid inlet pipe 2 is fixed, when the diaphragm pump 6 is started, liquid in the liquid drawing container is drawn by the liquid drawing ball 22 and enters the diaphragm pump 6 through the liquid inlet pipe 2. The diaphragm pump 6 pumps the liquid flowing into the liquid inlet pipe 2 and then flows through the liquid outlet pipe 3, and finally the liquid is sprayed out from the nozzle 4. The inside fixed slotted hole that sets up a plurality of rifle body 1, feed liquor pipe 2 passes fixed slotted hole with drain pipe 3 and fixes inside rifle body 1 for feed liquor pipe 2 and drain pipe 3 are fixed at the inside position of rifle body 1, stabilize the liquid runner, reduce the resistance of liquid flow process.

As shown in fig. 2, a self-locking switch 7 is provided inside the turning part outside the gun body 1. The self-locking switch 7 comprises a movable piece 71, one end of the movable piece 71 is hinged with the gun body 1, and the other end of the movable piece 71 rotates around the hinged point and is connected with the contact switch 8. When pressing the other end of moving part 71, moving part 71 rotates to rifle body 1 is inside, and moving part 71 sets up the pterygoid lamina, and the pterygoid lamina is moved in the drive of moving part 71 rotation, and rifle body 1 is inside to set up fixed recess, and contact switch 8 imbeds fixed recess internal fixation for contact switch 8 fixes on pterygoid lamina moving path, makes the pterygoid lamina press contact switch 8, and contact switch 8 is through pressing the start. The contact switch 8 is connected to and controls the drive motor 61 via a connection line 81, the drive motor 61 is connected to the timing module, and the drive motor 61 is connected to and controls the pump body 62. After the contact switch 8 is started, the driving motor 61 is controlled by the timing module, the power supply 5 provides electric energy, the operation is continued for a period of time, after the diaphragm pump 6 sprays a certain volume of liquid outwards through the liquid outlet pipe 3 and the nozzle 4, the diaphragm pump 6 stops working, and the spraying action stops until the contact switch 8 is pressed by the moving part 71 to start next time.

As shown in fig. 3, the diaphragm pump 6 includes a pump body 62 and a drive motor 61, the pump body 62 includes a rotation member 63, an oscillating member 64, a diaphragm member 65, and a housing 66, one end of the rotation member 63 is connected to the drive motor 61, the other end of the rotation member 63 is connected to the diaphragm member 65 via the oscillating member 64, and the diaphragm member 65 and the housing 66 form a pump chamber 661. The diaphragm assembly 65 comprises a liquid inlet valve block 651, a silica gel cavity 653 and a liquid outlet valve block 652, wherein the silica gel cavity 653 is opposite to the liquid inlet valve block 651, the liquid inlet valve block 651 is arranged above the silica gel cavity 653, and the silica gel cavity 653 is inserted into a connecting part of the swinging piece 64, so that the diaphragm assembly 65 is connected with the swinging piece 64. When the diaphragm pump 6 is driven by the driving motor 61 to work, the rotating assembly 63 rotates along with the driving motor 61 to drive the swinging member 64 to swing, so that the diaphragm assembly 65 connected with the swinging member 64 moves up and down, and the silica gel cavity 653 is stretched or extruded. When the silica gel cavity 653 is stretched, the liquid inlet valve block 651 is opened, and the liquid outlet valve block 652 closes the liquid flowing into the pump chamber 661 of the diaphragm pump 6 from the liquid inlet pipe 2; when the silica gel cavity 653 is squeezed, the liquid inlet valve block 651 is closed, the liquid outlet valve block 652 is opened, and the liquid flows into the liquid outlet pipe 3 from the pump chamber 661 and then is sprayed out from the nozzle 4.

When the present invention is used, only the activation of the diaphragm pump 6 needs to be controlled, since the present invention has a normally open passage from the diaphragm pump 6 to the nozzle 4. Pressing the moving member 71 of the self-locking switch 7 until the moving member 71 presses the contact switch 8 inside the gun body 1, starting the contact switch 8, supplying power to the driving motor 61 of the diaphragm pump 6 by the power source 5, rotating the driving motor 61 for a period of time under the control of the timing module controlling the PCB, sucking liquid from the liquid inlet pipe 2 by the diaphragm pump 6 under the action of the driving motor 61, and spraying out the liquid in the pump chamber 661 through the liquid outlet pipe 3 and the nozzle 4 after being pumped. Because the pump chamber 661 of the diaphragm pump 6 has a fixed volume and the start time controlled by the timing module is fixed, the volume and the spray time of the liquid sprayed out by the spray gun are fixed when the diaphragm pump is pressed every time, so that the accurate control of timing and quantification can be realized, and the control of the dosage and the time of the medicines and the chemical agents is facilitated. The utility model has simple structure, can be simply reformed and formed on the basis of the prior conventional spraying device, and has simple use and low cost.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a diaphragm pump spray gun at regular time and quantity, its characterized in that includes contact switch and self-locking switch, self-locking switch includes the moving part, the moving part rotates and presses contact switch, contact switch is connected with the control PCB board, the control PCB board sets up the timing module, the diaphragm pump is connected and is controlled to the timing module, the nozzle is connected to the diaphragm pump.

2. A timed and quantitative diaphragm pump spray gun according to claim 1, wherein one end of said movable member is hinged to the gun body and the other end of said movable member is pivotally connected to said contact switch about a hinge point.

3. A time and volume actuated diaphragm pump spray gun as claimed in claim 1 wherein said movable member is provided with a wing which is moved by rotation of said movable member, said wing depressing said contact switch.

4. A time and volume actuated diaphragm pump spray gun according to claim 1, wherein said diaphragm pump includes a pump body and a drive motor, said contact switch being connected to and controlling said drive motor via a connection, said drive motor being connected to said timing module, said drive motor being connected to and controlling said pump body.

5. A time and volume controlled diaphragm pump spray gun according to claim 4, wherein said pump body comprises a rotary member, an oscillating member, a diaphragm member and a housing, one end of said rotary member being connected to said drive motor, the other end of said rotary member being connected to said diaphragm member via said oscillating member, said diaphragm member and said housing forming a pump chamber.

6. A timing and quantitative diaphragm pump spray gun according to claim 5, wherein the diaphragm assembly comprises a liquid inlet valve plate, a silica gel cavity opposite to the liquid inlet valve plate, and a liquid outlet valve plate, the liquid inlet valve plate is arranged above the silica gel cavity, the liquid outlet valve plate is arranged below a liquid outlet of the pump chamber, and the silica gel cavity is inserted into the connecting part of the swinging member, so that the diaphragm assembly is connected with the swinging member.

7. A diaphragm pump spray gun with timing and quantity metering according to claim 6, wherein when the silica gel cavity is stretched, the liquid inlet valve plate is opened, and the liquid outlet valve plate is closed; when the silica gel cavity is extruded, the liquid inlet valve plate is closed, and the liquid outlet valve plate is opened.

8. A timed and quantitative diaphragm pump spray gun according to claim 1, wherein the spray gun comprises a gun body and said spray nozzle, said gun body is internally provided with said diaphragm pump and a power supply, said power supply is connected with said diaphragm pump, a liquid inlet of said diaphragm pump is connected with a liquid inlet pipe, a liquid outlet of said diaphragm pump is connected with a liquid outlet pipe, and said liquid outlet pipe is connected with said spray nozzle.

9. A timed and quantitative diaphragm pump spray gun according to claim 8, wherein a fixing groove is provided in the gun body, and the contact switch is fitted into the fixing groove for fixing.

10. A timed and quantitative diaphragm pump spray gun according to claim 8, wherein said liquid inlet pipe extends to the outside of said gun body and is connected with a liquid suction ball, and said liquid inlet pipe is provided with a screw cap fixed on a liquid suction container at the outside of said gun body.