CN219816676U - Guiding structure for needle of electrostatic spray gun - Google Patents
Guiding structure for needle of electrostatic spray gun Download PDFInfo
- Publication number
- CN219816676U CN219816676U CN202320428677.XU CN202320428677U CN219816676U CN 219816676 U CN219816676 U CN 219816676U CN 202320428677 U CN202320428677 U CN 202320428677U CN 219816676 U CN219816676 U CN 219816676U
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- CN
- China
- Prior art keywords
- needle
- gun
- electrostatic spray
- valve
- rifle
- 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.)
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- 239000007921 spray Substances 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000003973 paint Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009503 electrostatic coating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
The utility model relates to a gun needle guiding structure of an electrostatic spray gun, which comprises a gun needle and a coating pipeline arranged at the front end of the gun needle, wherein a discharge end of the coating pipeline is provided with a relevant gun valve seat, a guiding valve is arranged between the gun valve seat and the coating pipeline, a guiding hole for guiding the gun needle is formed in the guiding valve, the gun needle can be driven to move back and forth along the axial direction of the guiding hole, a coating channel is closed when a ball body of the gun needle contacts with a valve port of the gun valve seat, the gun needle is guided through the guiding hole in the guiding valve, the gun needle can be effectively prevented from deviating from an axis under the impact of coating due to longer length of the gun needle, the gun needle and the valve port of the gun valve are kept at higher coaxiality, the gun closing action is more reliably completed, and the service life of the gun needle is prolonged.
Description
Technical Field
The utility model relates to the technical field of electrostatic spray guns, in particular to a gun needle guiding structure of an electrostatic spray gun.
Background
The electrostatic spray gun is a modern basic product of industrial spraying equipment, and is a method called electrostatic coating, wherein a grounded coated object is used as a positive electrode, a coating atomizing device is used as a negative electrode, the coating atomizing device is provided with high negative voltage, an electrostatic interface is formed between two electrodes, atomized coating particles are provided with negative electricity, and the coating is effectively absorbed on a coated surface of an opposite electrode.
The gun needle is used as a very important component in the electrostatic spray gun and is also a main component for controlling the switch gun, and the gun needle is meshed with a paint channel.
Disclosure of Invention
In order to improve coaxiality of a gun needle of an electrostatic spray gun and a valve port of a gun closing valve, the utility model provides a gun needle guiding structure of the electrostatic spray gun.
The utility model provides a gun needle guiding structure of an electrostatic spray gun, which adopts the following technical scheme:
the utility model provides an electrostatic spray gun rifle needle guide structure, includes rifle needle and the coating pipeline of setting at rifle needle front end, the discharge end of coating pipeline is provided with relevant rifle disk seat, be provided with the guide valve between closing rifle disk seat and the coating pipeline, set up the guiding hole that is used for leading the rifle needle on the guide valve, the rifle needle can be driven along the axial back-and-forth movement of guiding hole, the spheroid of rifle needle closes with closing the valve port contact of rifle disk seat when the coating passageway.
Optionally, the guide valve, the guide hole and the gun closing valve seat are coaxial.
Optionally, a plurality of discharging pipelines are uniformly distributed in the circumferential direction of the periphery of the guide hole.
Optionally, both ends all set up to interior conical surface around the ejection of compact pipeline.
Optionally, the aperture of the guide hole is slightly larger than the diameter of the gun needle.
Optionally, the rear end of rifle needle is provided with the connecting rod, sliding fit is provided with the extension bar in the connecting rod, the extension bar can be driven compresses tightly the rifle needle.
Optionally, the rear end threaded connection of connecting rod has the pull rod, the pull rod is used for exerting forward pretightning force to the extension rod and makes the extension rod compress tightly on the rifle needle.
Optionally, the connecting rod and the extension bar are made of insulating plastic.
In summary, the present utility model includes at least one of the following beneficial technical effects: the guide hole is arranged, so that the gun needle can be effectively prevented from deviating from the axis under the impact of the paint due to longer length of the gun needle, and the gun needle is guided through the guide hole in the guide valve, so that the gun needle and a valve port of the gun closing valve are kept at higher coaxiality, the gun closing action is more reliably completed, and the service life of the gun needle is prolonged.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a side view of a pilot valve of an embodiment of the present utility model;
fig. 3 is a front view of a pilot valve of an embodiment of the present utility model.
Reference numerals illustrate: 1. a gun needle; 2. a paint pipe; 3. closing a gun valve seat; 4. a pilot valve; 5. a guide hole; 6. a discharge pipe; 7. an inner conical surface; 8. a connecting rod; 9. an extension bar; 10. and (5) a pull rod.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a gun needle guiding structure of an electrostatic spray gun.
Referring to fig. 1, 2 and 3, an electrostatic spray gun needle guiding structure comprises a gun needle 1 and a coating pipeline 2 arranged at the front end of the gun needle 1, wherein a discharge end of the coating pipeline 2 is provided with a gun valve seat 3, a guiding valve 4 is arranged between the gun valve seat 3 and the coating pipeline 2, a guiding hole 5 used for guiding the gun needle 1 is formed in the guiding valve 4, the gun needle 1 can be driven to move forwards and backwards along the axis of the guiding hole 5, a coating channel is closed when a ball body of the gun needle 1 contacts with a valve port of the gun valve seat 3, the gun needle 1 is guided through the guiding hole 5 in the guiding valve 4, so that the gun needle 1 can be effectively prevented from deviating from an axis due to longer length of the gun needle 1, the gun needle 1 and the valve port of the gun valve are kept at higher coaxiality under the impact of coating, the gun closing action is more reliably completed, and the service life of the gun needle 1 is prolonged.
A guide valve 4 is arranged at the center of the gun closing valve seat 3, and a guide hole 5 is arranged at the center of the guide valve 4, so that the guide valve 4, the guide hole 5 and the gun closing valve seat 3 are coaxial. The gun needle 1 can be arranged in the guide hole 5 in an axial sliding fit manner, and the aperture of the guide hole 5 is slightly larger than the diameter of the gun needle 1, so that the friction force of the gun needle 1 in the sliding process of the gun needle 5 is reduced, and the service life of the gun needle 1 is prolonged.
A plurality of discharging pipelines 6 communicated with the coating pipeline 2 are arranged in the gun closing valve seat 3, and the discharging pipelines 6 are uniformly distributed along the peripheral circumference of the guide hole 5. In the present embodiment, the discharge pipe 6 is provided with six.
In order to ensure the smoothness of the coating pipeline 2, the front end and the rear end of the discharging pipeline 6 are processed to form an inner conical surface 7.
The gun needle 1 is positioned in the paint pipeline 2 and is arranged in a guide hole 5 of the guide valve 4 in a sliding fit manner, and the gun needle 1 can move back and forth along the axial direction. When the spherical surface of the front end of the gun needle 1 is contacted with the valve port of the gun closing valve seat 3, the discharging pipeline 6 is closed, so that the gun closing action is realized; when the gun needle 1 moves backwards, the discharging pipeline 6 is opened, so that the gun opening action is realized.
The rear end of the gun needle 1 is provided with a connecting rod 8, an extension rod 9 is arranged in sliding fit in the connecting rod 8, the rear end of the connecting rod 8 is in threaded connection with a pull rod 10, and the pull rod 10 is assembled on the spray gun. The pull rod 10 is used for applying forward pre-tightening force to the extension rod 9 so as to press the extension rod 9 on the gun needle 1. Specifically, the tail end of the gun needle 1 is provided with a step shaft in the connecting rod 8, the step shaft is arranged in the connecting rod 8 in a sliding fit manner, the pull rod 10 is in threaded connection with the connecting rod 8, the pull rod 10 is screwed up to enable the gun needle to be propped against the extension rod 9, the extension rod 9 is enabled to press the gun needle 1, the connecting rod 8 and the pull rod 10 are fixed together, the pull rod 10 is pulled through a gun trigger, and accordingly the gun needle 1 is driven to move, and gun opening and closing are achieved.
The connecting rod 8 and the extension bar 9 are made of insulating plastics. The paint and the gun needle 1 can be insulated with the exposed pull rod 10, so that the electricity safety of the electrostatic spray gun in use is ensured.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. An electrostatic spray gun rifle needle guide structure, its characterized in that: including rifle needle (1) and coating pipeline (2) of setting at rifle needle (1) front end, the discharge end of coating pipeline (2) is provided with relevant rifle disk seat (3), be provided with between closing rifle disk seat (3) and coating pipeline (2) direction valve (4), set up on direction valve (4) and be used for carrying out guiding hole (5) of direction to rifle needle (1), can be driven along the axial back-and-forth movement of guiding hole (5) rifle needle (1), the spheroid of rifle needle (1) is closed with the valve port contact time coating passageway of closing rifle disk seat (3).
2. The electrostatic spray gun needle guide structure of claim 1, wherein: the guide valve (4), the guide hole (5) and the gun closing valve seat (3) are coaxial.
3. The electrostatic spray gun needle guide structure of claim 1, wherein: the gun closing valve seat (3) is internally provided with a discharging pipeline (6), and the discharging pipeline (6) is uniformly distributed in a plurality of positions along the peripheral circumference of the guide hole (5).
4. An electrostatic spray gun needle guide structure according to claim 3, characterized in that: both ends all set up as interior conical surface (7) around ejection of compact pipeline (6).
5. The electrostatic spray gun needle guide structure of claim 1, wherein: the aperture of the guide hole (5) is slightly larger than the diameter of the gun needle (1).
6. The electrostatic spray gun needle guide structure of claim 1, wherein: the gun needle is characterized in that a connecting rod (8) is arranged at the rear end of the gun needle (1), an extension rod (9) is arranged in sliding fit with the connecting rod (8), and the extension rod (9) can be driven to compress the gun needle (1).
7. The electrostatic spray gun needle guide structure of claim 6, wherein: the rear end threaded connection of connecting rod (8) has pull rod (10), pull rod (10) are used for exerting preceding pretightning force to extension bar (9) and make extension bar (9) compress tightly on rifle needle (1).
8. The electrostatic spray gun needle guide structure of claim 7, wherein: the connecting rod (8) and the extension rod (9) are made of insulating plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320428677.XU CN219816676U (en) | 2023-03-08 | 2023-03-08 | Guiding structure for needle of electrostatic spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320428677.XU CN219816676U (en) | 2023-03-08 | 2023-03-08 | Guiding structure for needle of electrostatic spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219816676U true CN219816676U (en) | 2023-10-13 |
Family
ID=88273227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320428677.XU Active CN219816676U (en) | 2023-03-08 | 2023-03-08 | Guiding structure for needle of electrostatic spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219816676U (en) |
-
2023
- 2023-03-08 CN CN202320428677.XU patent/CN219816676U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 404002 No. 1, Leijia Road, Gaofeng Street, Wanzhou District, Chongqing Patentee after: China Shipbuilding Group Changjiang Technology Co.,Ltd. Address before: 404002 No. 1, Leijia Road, Gaofeng Street, Wanzhou District, Chongqing Patentee before: CHINA SHIPBUILDING INDUSTRY GROUP CHANGJIANG TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231016 Address after: 404002 No. 1, Leijia Road, Gaofeng Street, Wanzhou District, Chongqing Patentee after: China Shipbuilding Group Changjiang Technology Co.,Ltd. Patentee after: Fujian Antushun Group Co.,Ltd. Address before: 404002 No. 1, Leijia Road, Gaofeng Street, Wanzhou District, Chongqing Patentee before: China Shipbuilding Group Changjiang Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |