CN220678238U - Full-closed automatic airless spray gun - Google Patents
Full-closed automatic airless spray gun Download PDFInfo
- Publication number
- CN220678238U CN220678238U CN202322264300.8U CN202322264300U CN220678238U CN 220678238 U CN220678238 U CN 220678238U CN 202322264300 U CN202322264300 U CN 202322264300U CN 220678238 U CN220678238 U CN 220678238U
- Authority
- CN
- China
- Prior art keywords
- gun
- valve core
- rifle
- gun valve
- airless spray
- Prior art date
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Links
- 239000007921 spray Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 36
- 230000000694 effects Effects 0.000 claims description 8
- 238000005507 spraying Methods 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model discloses a full-closed automatic airless spray gun, which relates to the field of spray tools and comprises a gun body, a gun valve seat arranged at the front end of the gun body, a gun valve core arranged in the gun body and a piston assembly for driving the gun valve core to move, wherein the front end of the gun body is provided with a movable space for the gun valve core to move, a guide sleeve is arranged in the movable space, the gun valve core penetrates through the guide sleeve, and a valve core ball head is arranged at the end part of the gun valve core penetrating through the guide sleeve; the guide sleeve can play a role in guiding the movement of the gun valve core, so that the gun valve core is prevented from being worn and then cannot be aligned with a nozzle on a gun valve seat, the moving path of the gun valve core is unchanged, continuous spraying can be realized, and the use experience is better.
Description
Technical Field
The utility model relates to the field of spraying tools, in particular to a fully-closed automatic airless spray gun.
Background
Electrostatic spraying is a new technology for the important research, development and popularization of the current coating industry, can improve the paint utilization rate, reduce paint mist scattering, prevent environmental pollution and improve labor sanitation conditions, is a novel technology for changing the traditional paint spraying method, and is widely applied to the market. The principle of the high-pressure airless spray gun is that a high-pressure plunger pump is utilized to continuously convey paint into a closed paint pipeline, so that high pressure is formed in a closed space, then a spray gun trigger connected to the tail end of a paint pipe is released, high-pressure paint flow is forced to pass through an extremely fine nozzle to form atomization, so that the spray gun is sprayed on the surface of a paint, a gun valve core is pushed to move by a piston in the spraying process, but the end part of the gun valve core moves back and forth between a gun valve seat and a gun body in the long-time use process, the gun valve core is easy to wear, the situation that the gun valve core after wear cannot be aligned with the gun valve seat easily occurs in the moving process, the intermittent situation occurs in the spraying process, and the use experience is poor.
Disclosure of Invention
Therefore, the utility model aims to provide the full-closed automatic airless spray gun, which can ensure that the moving path of the gun valve core is unchanged in the long-time use process, can be used for continuous spraying and has better use experience.
The utility model provides a fully-closed automatic airless spray gun, which adopts the following technical scheme:
the utility model provides a totally enclosed automatic airless spray gun, includes the rifle body, sets up in the rifle disk seat of rifle body front end, sets up in the rifle case of rifle body and be used for driving the piston assembly that the rifle case removed, the front end of rifle body is provided with the activity space that is used for supplying the rifle case to remove, be provided with the uide bushing in the activity space, the rifle case passes the uide bushing, the rifle case passes the tip of uide bushing and is equipped with the case bulb.
Further, a movable groove for allowing the valve core ball to move is formed in the end face opening, facing the gun valve seat, of the guide sleeve.
Further, the rear end of the gun body is provided with a mounting part for mounting the piston assembly, one end, close to the mounting part, of the gun body is provided with a sealing screw, and the gun valve core penetrates through the sealing screw to be connected with a piston of the piston assembly.
Further, a sealing ring is arranged on the inner wall of one end, facing the gun valve seat, of the sealing screw, and the sealing ring is sleeved on the gun valve core.
Further, a spring piece for compensating after the sealing ring is damaged is arranged in the sealing ring.
Further, a drainage hole is formed in the gun valve core, and the drainage hole is formed in the sealing screw.
In summary, the present utility model comprises at least one of the following beneficial effects: the guide sleeve can play a role in guiding the movement of the gun valve core, so that the gun valve core is prevented from being worn and then cannot be aligned with a nozzle on a gun valve seat, the moving path of the gun valve core is unchanged, continuous spraying can be realized, the use experience is better, meanwhile, a movable groove on the guide sleeve can provide a movable space of a valve core ball head, and accurate resetting of the gun valve core is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Reference numerals illustrate:
1. a gun body; 11. a guide sleeve; 12. a movable groove; 13. a sealing screw; 14. a seal ring; 15. a spring piece; 2. a gun valve seat; 3. a gun valve core; 31. valve core ball head; 32. drainage holes; 4. a piston assembly; 5. and a mounting part.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
The present utility model will be described in further detail with reference to fig. 1.
The embodiment of the utility model discloses a fully-closed automatic airless spray gun. Referring to fig. 1, the fully-closed automatic airless spray gun comprises a gun body 1, a gun valve seat 2 arranged at the front end of the gun body 1, a gun valve core 3 arranged in the gun body 1 and a piston assembly 4 used for driving the gun valve core 3 to move, wherein the piston assembly 4 consists of a piston and a spring, a movable space used for supplying the gun valve core 3 to move is arranged at the front end of the gun body 1, a guide sleeve 11 is arranged in the movable space, the gun valve core 3 passes through the guide sleeve 11, a valve core ball head 31 is arranged at the end part of the gun valve core 3, in the embodiment, a welding alloy ball is adopted for the gun valve core head 31, hard chromium is plated on the surface of the gun valve core 3, the wear resistance is improved, the service life of the gun valve core 3 is prolonged, the guide sleeve 11 can play a role of guiding the movement of the gun valve core 3, the gun valve core 3 is prevented from being incapable of being aligned with a nozzle on the gun valve seat 2 after being worn, and the moving path of the gun valve core 3 is unchanged.
The guide sleeve 11 is provided with a movable groove 12 for supplying the movement of the valve core ball head 31 towards the end face opening of the gun valve seat 2, and the movable groove 12 can provide a movable space of the valve core ball head 11 so as to ensure the accurate resetting of the gun valve core 3.
The rear end of the gun body 1 is provided with a mounting part 5 for mounting the piston assembly 4, one end, close to the mounting part 5, of the gun body 1 is provided with a sealing screw 13, the gun valve core 3 penetrates through the sealing screw 13 to be connected with a piston of the piston assembly 5, the sealing screw 13 is a quick-release sealing screw 13, the gun valve core 3 is convenient to detach, and a drainage hole 32 is formed in the gun valve core 3 and located in the sealing screw 13.
In order to further increase the sealing effect, the sealing screw 13 is provided with a sealing ring 14 on the inner wall facing one end of the gun valve seat 2, the sealing ring 14 is sleeved on the gun valve core 3, the sealing ring 14 is easy to wear in the long-time use process, the sealing effect is poor, a spring piece 15 is arranged in the sealing ring 14, the spring piece 15 can play a supporting role on the sealing ring 14, after the sealing ring 14 is worn, the spring piece 15 can support the sealing ring 14 due to self elasticity, the sealing ring 14 is compensated after being damaged, the sealing ring 14 is kept in a sealing state for a long time, and the sealing effect is improved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
1. A totally enclosed automatic airless spray gun is characterized in that: including rifle body (1), set up in rifle disk seat (2) of rifle body (1) front end, set up rifle case (3) in rifle body (1) and be used for driving piston assembly (4) that rifle case (3) removed, the front end of rifle body (1) is provided with the activity space that is used for supplying rifle case (3) to remove, be provided with uide bushing (11) in the activity space, rifle case (3) pass uide bushing (11), the tip that rifle case (3) passed uide bushing (11) is equipped with case bulb (31).
2. The fully enclosed automatic airless spray gun of claim 1, wherein: the end face opening of the guide sleeve (11) facing the gun valve seat (2) is provided with a movable groove (12) for the valve core ball head (31) to move.
3. The fully enclosed automatic airless spray gun of claim 1, wherein: the gun is characterized in that the rear end of the gun body (1) is provided with a mounting part (5) for mounting the piston assembly (4), one end, close to the mounting part (5), of the gun body (1) is provided with a sealing screw (13), and the gun valve core (3) penetrates through the sealing screw (13) to be connected with a piston of the piston assembly (4).
4. A fully enclosed automatic airless gun according to claim 3, characterized in that: the inner wall of the sealing screw (13) facing one end of the gun valve seat (2) is provided with a sealing ring (14), and the sealing ring (14) is sleeved on the gun valve core (3).
5. The fully enclosed automatic airless spray gun of claim 4, wherein: the inside of the sealing ring (14) is provided with a spring piece (15) for compensating the damaged sealing ring (14).
6. The fully enclosed automatic airless spray gun of claim 5, wherein: the gun valve core (3) is provided with a drainage hole (32), and the drainage hole (32) is positioned in the sealing screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322264300.8U CN220678238U (en) | 2023-08-22 | 2023-08-22 | Full-closed automatic airless spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322264300.8U CN220678238U (en) | 2023-08-22 | 2023-08-22 | Full-closed automatic airless spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220678238U true CN220678238U (en) | 2024-03-29 |
Family
ID=90403926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322264300.8U Active CN220678238U (en) | 2023-08-22 | 2023-08-22 | Full-closed automatic airless spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220678238U (en) |
-
2023
- 2023-08-22 CN CN202322264300.8U patent/CN220678238U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |