CN117797965A - Valve body structure for electric control viscous liquid injection - Google Patents
Valve body structure for electric control viscous liquid injection Download PDFInfo
- Publication number
- CN117797965A CN117797965A CN202311563118.0A CN202311563118A CN117797965A CN 117797965 A CN117797965 A CN 117797965A CN 202311563118 A CN202311563118 A CN 202311563118A CN 117797965 A CN117797965 A CN 117797965A
- Authority
- CN
- China
- Prior art keywords
- valve
- inlet pipe
- valve rod
- installation cavity
- gun barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 62
- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 7
- 238000010304 firing Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a valve body structure for electric control viscous liquid injection, which comprises a valve seat, a bottom plate, a gun barrel, a valve rod, an air inlet pipe, a liquid inlet pipe, an electromagnetic valve and an electric push rod, wherein the valve body structure comprises a valve seat, a bottom plate, a gun barrel, a valve rod and a valve rod; the two sides of the valve seat are provided with an air inlet pipe and a liquid inlet pipe mounting interface, the air inlet pipe mounting interface is communicated with the gun barrel mounting cavity through an air guide hole, and the liquid inlet pipe mounting interface is communicated with the valve rod mounting cavity; valve base fixed connection is on the bottom plate, and barrel fixed connection is at the barrel installation cavity front end of valve base, and intake pipe and feed liquor pipe are respectively through corresponding installation interface connection on the valve base, and the intake pipe passes through the break-make of high-pressure gas in the solenoid valve control intake pipe, and the valve rod assembly is in the valve rod installation cavity, and the valve rod is through the electric putter who installs on the bottom plate along the axial back and forth movement in valve rod installation cavity, realizes the intercommunication and the disconnection between feed liquor pipe and the barrel installation cavity. The invention can solve the problem of residual viscous liquid in the gun barrel during the firing operation of the spray gun and can realize the remote control of the firing operation.
Description
Technical Field
The invention relates to the technical field of viscous liquid injection, in particular to a valve body structure for electric control viscous liquid injection.
Background
The spray gun is affected by the physical properties of the liquid during the spraying of the viscous liquid, which can lead to the phenomenon of residual liquid at the end of the gun barrel. The specific reasons are as follows: when the firing operation is finished, the valve body is synchronously closed, the power source for driving the viscous liquid to spray is cut off, the viscous liquid at the rear section of the spray can be sprayed out through the gun barrel only by virtue of inertia, and the viscous liquid can remain at the tail end of the gun barrel or swing back and forth before the outlet of the gun barrel due to the fact that the viscosity of the medium is high and the subsequent power is insufficient and the tail end viscous liquid cannot be sprayed out after losing the power source, so that the viscous liquid has a certain potential safety hazard for operators.
In addition, along with popularization and application of the unmanned platform, setting a spray gun on the unmanned platform to execute tasks is a new technology development trend, and although the operation on the unmanned platform is realized through remote implementation control and cannot cause direct damage to operators, the residual accumulation of viscous liquid can cause influence on normal operation of other equipment in the platform.
Disclosure of Invention
In view of the above, the invention provides a valve body structure for electrically controlling viscous liquid injection, which can solve the problem of residual viscous liquid in a gun barrel during the spot-spraying operation of a spray gun, and can be installed on an unmanned platform to realize remote-control injection operation.
A valve body structure for electric control viscous liquid injection comprises a valve seat, a bottom plate, a gun barrel, a valve rod, an air inlet pipe, a liquid inlet pipe, an electromagnetic valve and an electric push rod;
the valve seat is provided with a valve rod installation cavity and a gun barrel installation cavity which are coaxially arranged, the valve rod installation cavity and the gun barrel installation cavity are in transition through conical surfaces, two sides of the valve seat are provided with an air inlet pipe and a liquid inlet pipe installation interface, the air inlet pipe installation interface is communicated with the gun barrel installation cavity through an air guide hole, and the liquid inlet pipe installation interface is communicated with the valve rod installation cavity;
the valve seat is fixedly connected to the bottom plate, the gun barrel is fixedly connected to the front end of a gun barrel installation cavity of the valve seat, the air inlet pipe and the liquid inlet pipe are connected to the valve seat through corresponding installation interfaces respectively, the air inlet pipe controls the on-off of high-pressure gas in the air inlet pipe through an electromagnetic valve installed on the bottom plate, the valve rod is assembled in the valve rod installation cavity, and the valve rod moves back and forth along the axial direction of the valve rod installation cavity through an electric push rod installed on the bottom plate, so that the communication and disconnection between the liquid inlet pipe and the gun barrel installation cavity are realized.
Further, the head of the valve rod is of a conical structure, and the conical taper is consistent with the conical surface taper between the valve rod mounting cavity and the gun barrel mounting cavity.
Further, a sealing section is designed on the valve rod, the outer diameter of the sealing section is larger than the rest part of the valve rod, and more than two sealing rings are arranged on the sealing section.
Further, the liquid inlet pipe is fixedly connected with the mounting interface of the valve seat in a welding mode, and the air inlet pipe is fixedly connected with the mounting interface of the valve seat in a threaded fit mode.
Further, a gun barrel mounting cavity, an air guide hole, an air inlet pipe and an electromagnetic valve on the valve seat form an air valve, and a valve rod mounting cavity, a liquid inlet pipe, a valve rod and an electric push rod on the valve seat form a liquid valve.
The beneficial effects are that:
1. the valve rod installation cavity and the gun barrel installation cavity are coaxially arranged on the valve seat, the valve rod installation cavity and the gun barrel installation cavity are in transition through conical surfaces, an air inlet pipe and a liquid inlet pipe installation interface are arranged on two sides of the valve seat, the air inlet pipe installation interface is communicated with the gun barrel installation cavity through an air guide hole, and the liquid inlet pipe installation interface is communicated with the valve rod installation cavity; the air inlet pipe is connected with the air inlet pipe through the electromagnetic valve arranged on the bottom plate, the valve rod is moved back and forth along the axial direction of the valve rod installation cavity through the electric push rod arranged on the bottom plate, and the connection and disconnection between the liquid inlet pipe and the gun barrel installation cavity are realized. When the firing is finished, the electric push rod stops supplying power to disconnect the passage, and the electromagnetic valve is opened, high-pressure gas is input to the front end of the valve body to provide jetting power for viscous medium, so that the problem that viscous liquid remains in the gun barrel during the firing operation of the spray gun can be solved.
2. According to the invention, the sealing section is designed on the valve rod, the outer diameter of the sealing section is larger than the rest part of the valve rod, so that the contact area between the valve rod and the valve seat is reduced, the movement resistance of the valve rod is greatly reduced, the service life and the sealing reliability of the valve rod are improved, and the use power consumption of the electric push rod is reduced.
3. The start-stop operation of the invention is realized by the electric push rod and the electromagnetic valve which are arranged on the bottom plate, and the electric push rod and the electromagnetic valve are all electric control elements, so that the valve body structure can be arranged on the unmanned platform through the bottom plate and realize remote control injection operation.
Drawings
FIG. 1 is a top view of a valve body structure for electronically controlled viscous liquid ejection;
fig. 2 is a front view of a valve body structure for electronically controlled viscous liquid ejection.
Wherein, 1-disk seat, 2-barrel, 3-valve rod, 4-intake pipe, 5-feed liquor pipe, 6-air vent, 7-solenoid valve, 8-electric putter, 9-bottom plate.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention provides a valve body structure for electric control viscous liquid injection, which comprises a valve seat 1, a bottom plate 9, a gun barrel 2, a valve rod 3, an air inlet pipe 4, a liquid inlet pipe 5, an electromagnetic valve 7 and an electric push rod 8.
The valve seat 1 is provided with a valve rod installation cavity and a gun barrel installation cavity which are coaxially arranged, the valve rod installation cavity and the gun barrel installation cavity are in transition through conical surfaces, two sides of the valve seat 1 are provided with an air inlet pipe installation interface and a liquid inlet pipe installation interface, the air inlet pipe installation interface is communicated with the gun barrel installation cavity through an air guide hole 6, and the liquid inlet pipe installation interface is communicated with the valve rod installation cavity.
The head of the valve rod 3 is of a conical structure, and the conical degree of the conical structure is consistent with the conical degree of the conical surface between the valve rod mounting cavity and the gun barrel mounting cavity; in addition, the valve rod 3 is provided with a sealing section, the outer diameter of the sealing section is larger than the rest part of the valve rod 3, and more than two sealing rings are arranged on the sealing section.
The valve seat 1 is fixedly connected to the bottom plate 9, the gun barrel 2 is fixedly connected to the front end of a gun barrel installation cavity of the valve seat 1, the air inlet pipe 4 and the liquid inlet pipe 5 are respectively connected to the valve seat 1 through corresponding installation interfaces, the liquid inlet pipe 5 is fixedly connected with the installation interfaces of the valve seat 1 in a welding mode, and the air inlet pipe 4 is fixedly connected with the installation interfaces of the valve seat 1 in a threaded fit mode; the air inlet pipe 4 controls the on-off of high-pressure gas in the air inlet pipe 4 through the electromagnetic valve 7 arranged on the bottom plate 9, the valve rod 3 is assembled in the valve rod installation cavity, the valve rod 3 moves forwards and backwards along the axial direction of the valve rod installation cavity through the electric push rod 8 arranged on the bottom plate 9, and the communication and disconnection between the liquid inlet pipe 5 and the gun barrel installation cavity are realized.
The gun barrel installation cavity, the air guide hole 6, the air inlet pipe 4 and the electromagnetic valve 7 on the valve seat 1 form an air valve, and the valve rod installation cavity, the liquid inlet pipe 5, the valve rod 3 and the electric push rod 9 on the valve seat 1 form a liquid valve.
The working process comprises the following steps: before the operation starts, the liquid valve is in a closed state under the action of the electric push rod 9, and the air valve is also in a closed state under the action of the electromagnetic valve 7. After the electric push rod 9 is powered, the electric push rod 9 pulls the valve rod 3 to move rightwards, the head of the valve rod 3 leaves a conical sealing surface in a valve rod mounting cavity, a liquid valve is opened, and viscous medium is sprayed out from the liquid inlet pipe 5 through the valve rod mounting cavity and the gun barrel 2; when the firing is finished, the electric push rod 9 stops supplying power after closing the liquid valve, meanwhile, the electromagnetic valve 7 is opened, high-pressure gas is input into the gun barrel installation cavity and the gun barrel 2 through the air guide hole 6 by the air inlet pipe 4, the high-pressure gas can provide power for blowing off the liquid viscous medium in the gun barrel 2, and the high-temperature viscous medium is prevented from forming residues at the outlet of the gun barrel 2.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The valve body structure for electric control viscous liquid injection is characterized by comprising a valve seat, a bottom plate, a gun barrel, a valve rod, an air inlet pipe, a liquid inlet pipe, an electromagnetic valve and an electric push rod;
the valve seat is provided with a valve rod installation cavity and a gun barrel installation cavity which are coaxially arranged, the valve rod installation cavity and the gun barrel installation cavity are in transition through conical surfaces, two sides of the valve seat are provided with an air inlet pipe and a liquid inlet pipe installation interface, the air inlet pipe installation interface is communicated with the gun barrel installation cavity through an air guide hole, and the liquid inlet pipe installation interface is communicated with the valve rod installation cavity;
the valve seat is fixedly connected to the bottom plate, the gun barrel is fixedly connected to the front end of a gun barrel installation cavity of the valve seat, the air inlet pipe and the liquid inlet pipe are connected to the valve seat through corresponding installation interfaces respectively, the air inlet pipe controls the on-off of high-pressure gas in the air inlet pipe through an electromagnetic valve installed on the bottom plate, the valve rod is assembled in the valve rod installation cavity, and the valve rod moves back and forth along the axial direction of the valve rod installation cavity through an electric push rod installed on the bottom plate, so that the communication and disconnection between the liquid inlet pipe and the gun barrel installation cavity are realized.
2. The valve body structure for electronically controlled viscous liquid injection of claim 1, wherein the head of the valve stem is of conical configuration with a conical taper consistent with the conical surface taper between the valve stem mounting cavity and the barrel mounting cavity.
3. The valve body structure for electrically controlled viscous liquid injection as claimed in claim 2, wherein the valve rod is provided with a sealing section, the outer diameter of the sealing section is larger than the rest of the valve rod, and more than two sealing rings are arranged on the sealing section.
4. The valve body structure for electronically controlled viscous liquid injection as claimed in claim 3, wherein the mounting interface of the liquid inlet pipe and the valve seat is fixedly connected by welding, and the mounting interface of the air inlet pipe and the valve seat is fixedly connected by screw-fitting.
5. The valve body structure for electronically controlled viscous liquid injection according to claim 3 or 4, wherein the barrel mounting cavity, the air guide hole, the air inlet pipe and the electromagnetic valve on the valve seat form an air valve, and the valve rod mounting cavity, the liquid inlet pipe, the valve rod and the electric push rod on the valve seat form a liquid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311563118.0A CN117797965A (en) | 2023-11-22 | 2023-11-22 | Valve body structure for electric control viscous liquid injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311563118.0A CN117797965A (en) | 2023-11-22 | 2023-11-22 | Valve body structure for electric control viscous liquid injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117797965A true CN117797965A (en) | 2024-04-02 |
Family
ID=90432574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311563118.0A Pending CN117797965A (en) | 2023-11-22 | 2023-11-22 | Valve body structure for electric control viscous liquid injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117797965A (en) |
-
2023
- 2023-11-22 CN CN202311563118.0A patent/CN117797965A/en active Pending
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