CN212237825U - Spray gun - Google Patents
Spray gun Download PDFInfo
- Publication number
- CN212237825U CN212237825U CN202020345937.3U CN202020345937U CN212237825U CN 212237825 U CN212237825 U CN 212237825U CN 202020345937 U CN202020345937 U CN 202020345937U CN 212237825 U CN212237825 U CN 212237825U
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- CN
- China
- Prior art keywords
- nozzle
- connecting cylinder
- cavity
- install
- fan
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a spray gun, which comprises a body, the cavity has been seted up in the body, install the lumen in the cavity, install the cylinder in the lumen, install the piston in the cylinder, the top cover of lumen is equipped with the connecting cylinder, the nozzle is installed at the connecting cylinder top, install high tension spring in the cylinder, the mid-mounting of piston upper surface has the spray needle, passes the connecting cylinder, penetrates in the nozzle, install the hood on the nozzle. Have simple structure, the low advantage of cost of manufacture, can realize the stable blowout of paint through nozzle and spray needle cooperation, the workman only need open or close compressed gas's the letting in, easy operation just can realize the stable blowout of material, is favorable to the material to be stabilized the spraying on the work piece.
Description
Technical Field
The utility model relates to a paint spraying technical field, especially a spray gun.
Background
A device that uses rapid release of liquid and compressed air as power, commonly used for spraying, cleaning, such as water guns; or for spraying, surface treatment, e.g. spray guns. Spray guns typically include a gun body, a spray needle, a nozzle and associated structure for control of the motion of the spray needle, air flow control, and the like. And carrying out spraying operation on various devices. During paint spraying, the amount of paint sprayed by the paint spray gun is controlled by the trigger of the paint spray gun, and the deeper the trigger is pulled, the greater the flow rate of the paint liquid. Therefore, in the whole process of spraying a certain spraying piece, if the spraying is to be uniform, the pulling amplitude of the trigger must be ensured to be consistent all the time, and the requirement greatly increases the difficulty of the spraying operation (especially when the spraying experience is lacked or hands are tired due to long-time spraying), so that the non-uniformity of the spraying is easily caused, and the spraying effect and the spraying quality of the spraying piece are greatly influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a spray gun realizes even spraying.
The embodiment of the utility model provides an in adopt following scheme to realize: the utility model provides a spray gun, which comprises a body, the cavity has been seted up in the body, installation lumen in the cavity, the installation cylinder in the lumen, install the piston in the cylinder, the top cover of lumen is equipped with the connecting cylinder, the nozzle is installed at the connecting cylinder top, install high tension spring in the cylinder, the mid-mounting of piston upper surface has the needle, passes the connecting cylinder, penetrates in the nozzle, install the hood on the nozzle.
The utility model relates to an embodiment, the hood cuts off and seals up for the tube-shape head is oblique, has seted up the jet orifice on the side that the hood head is close to tip department, the head telescope of nozzle in the afterbody of hood.
In one embodiment of the present invention, the nozzle is boss-shaped, and the lower part is hollowed to form a liquid cavity; the head of the nozzle is raised upwards, a liquid spraying hole is formed in the nozzle and connected with the liquid cavity, and a gas spraying hole penetrating through the nozzle is formed in the side wall of the nozzle.
The utility model relates to an embodiment, the hood is installed in the fixing base, install fifth driving motor in the fixing base, install the gear on fifth driving motor's the output shaft, it is located to have seted up the hood mounting hole in the fixing base fifth driving motor's the right, it has the spout to process in the hood mounting hole, the marginal evagination card of afterbody of hood is gone into in the spout, wear out the front portion of hood the hood mounting hole, it has ring gear and gear engaged with to process on the outer wall of hood.
In one embodiment of the present invention, a liquid inlet cavity is formed in the middle of the connecting cylinder, and a liquid inlet hole is formed in the sidewall of the connecting cylinder to communicate with the liquid inlet cavity; an air inlet hole is formed in the side wall of the connecting cylinder, a circular groove, a first annular groove and a second annular groove are formed in the surface of the top of the connecting cylinder from inside to outside respectively, an air outlet hole communicated with the air inlet hole and the first annular groove is formed in the side wall of the connecting cylinder, and the first annular groove is in butt joint with the air injection hole; the circular groove is butted with the liquid cavity.
In one embodiment of the present invention, the top of the nozzle needle is in the shape of a shuttle, the nozzle needle passes through the liquid inlet cavity, and the shuttle at the top of the nozzle needle is located on the top surface of the connecting cylinder in the liquid cavity.
The utility model has the advantages that: the utility model provides a spray gun, this spray gun have simple structure, advantage that the cost of manufacture is low, can realize the stable blowout of paint through nozzle and spray needle cooperation, and the workman only need open or close compressed gas's letting in, and easy operation just can realize the stable blowout of coating, is favorable to coating by even spraying on the work piece.
Drawings
FIG. 1 is a schematic view of a spray gun.
Fig. 2 is a schematic view of the structure of the nozzle.
Fig. 3 is a schematic structural view of the connector barrel.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Please refer to fig. 1 to 3, the utility model provides a spray gun, which comprises a body 8, the cavity has been seted up in the body 8, install lumen 6 in the cavity, install cylinder 7 in the lumen 6, install piston 5 in the cylinder 7, the top cover of lumen 6 is equipped with connecting cylinder 3, nozzle 2 is installed at connecting cylinder 3 top, install high tension spring 9 in the cylinder 7, the mid-mounting of piston upper surface has spray needle 4, passes connecting cylinder 3, penetrates in the nozzle 2, install hood 1 on the nozzle 2.
Referring to fig. 1, in an embodiment of the present invention, the hood 1 is a tube-shaped head, the head of which is cut off obliquely and sealed, a side of the head of the hood 1 near the tip is provided with an injection hole, and the head of the nozzle 2 is inserted into the tail of the hood 1.
Referring to fig. 1 to 2, in an embodiment of the present invention, the nozzle 2 is in a boss shape, and the lower portion is hollowed to form a liquid chamber 23; the head of the nozzle 2 is convex upwards, and is provided with a liquid spraying hole 21 inside to be connected with the liquid cavity 23, and the side wall of the nozzle 2 is provided with a gas spraying hole 22 penetrating through the nozzle 2.
Please continue to refer to fig. 1, in an embodiment of the present invention, the wind cowl 1 is installed in a fixing base, a fifth driving motor 11 is installed in the fixing base 10, a gear 12 is installed on an output shaft of the fifth driving motor 11, a wind cowl mounting hole is disposed on the right of the fifth driving motor 11 in the fixing base 10, a sliding groove is processed in the wind cowl mounting hole, a protruding edge of the tail of the wind cowl is clamped in the sliding groove, the front portion of the wind cowl is worn out of the wind cowl mounting hole, a gear ring is processed on the outer wall of the wind cowl and meshed with the gear, a motor driving gear rotates to drive the wind cowl to rotate, so as to realize spraying at different angles, and when a worker is difficult to rotate a position of the spraying gun to align the spraying at a proper angle through a wrist in a using process, the alignment can be realized through the rotation of the wind cowl of the spraying.
The utility model discloses an in the embodiment, in order to prevent that hood 1 is not hard up, still install fastening retaining ring 10 in the hood mounting hole, the shake about preventing the hood to take place.
Referring to fig. 1 to 3, in an embodiment of the present invention, a liquid inlet cavity 31 is formed in the middle of the connecting cylinder 3, and a liquid inlet hole 32 is formed in the sidewall of the connecting cylinder 3 and communicates with the liquid inlet cavity 31; an air inlet hole 33 is formed in the side wall of the connecting cylinder 3, a circular groove 35, a first ring groove 36 and a second ring groove 37 are respectively formed in the top surface of the connecting cylinder 3 from inside to outside, an air outlet hole 34 communicating the air inlet hole 33 with the first ring groove is formed in the side wall of the connecting cylinder 3, and the first ring groove 36 is in butt joint with the air injection hole 22; the circular groove 35 is in abutment with the liquid chamber 23.
Referring to fig. 1, in an embodiment of the present invention, the top of the needle 4 is in a shape of a shuttle, the needle 4 passes through the liquid inlet cavity, and the shuttle portion at the top of the needle 4 is located in the liquid cavity 23 on the top surface of the connecting cylinder 3.
The utility model discloses the theory of operation below has:
a pneumatic spring piston mechanism is arranged in the spray gun, a stainless steel spray needle is arranged above the piston, a group of high-tension springs are arranged behind the piston, compressed air is introduced from the tail part of the pipe cavity, when the compressed air stops supplying, the piston and the spray needle are pushed forwards by the springs, and at the moment, the spray needle and the spray nozzle are tightly matched with each other with high precision to block the liquid from passing through; on the contrary, when the compressed air starts to be supplied, the pressure of the compressed air pushes the piston away, so that a gap is formed between the spray needle and the nozzle to spray the liquid, and the sprayed liquid is contacted with the atomizing air immediately to generate an atomizing effect.
The above description is only for the preferred embodiment of the present invention, and should not be interpreted as limiting the scope of the present invention, which is intended to cover all the equivalent changes and modifications made in accordance with the claims of the present invention.
Claims (6)
1. A spray gun, characterized by: the novel spray nozzle comprises a body, the cavity has been seted up in the body, installation lumen in the cavity, the installation cylinder in the lumen, install the piston in the cylinder, the top cover of lumen is equipped with the connecting cylinder, the nozzle is installed at the connecting cylinder top, install high tension spring in the cylinder, the mid-mounting of piston upper surface has the spray needle, passes the connecting cylinder, penetrates in the nozzle, install the hood on the nozzle.
2. A spray gun as claimed in claim 1, wherein: the blast cap is characterized in that the head part of the blast cap is in a cylindrical shape, the head part of the blast cap is obliquely cut off and is sealed, a jet hole is formed in the side surface of the head part of the blast cap close to the tip end, and the head part of the nozzle is sleeved in the tail part of the blast cap.
3. A spray gun as claimed in claim 1, wherein: the nozzle is boss-shaped, and the lower part of the nozzle is hollowed into a liquid cavity; the head of the nozzle is raised upwards, a liquid spraying hole is formed in the nozzle and connected with the liquid cavity, and a gas spraying hole penetrating through the nozzle is formed in the side wall of the nozzle.
4. A spray gun as claimed in claim 2, in which: the utility model discloses a fan, including the fan, be equipped with the fan, the fan is installed in the fixing base, install fifth driving motor in the fixing base, install the gear on fifth driving motor's the output shaft, it is located to have seted up fan mounting hole in the fixing base fifth driving motor's the right, it has the spout to process in the fan mounting hole, the marginal evagination card of afterbody of fan is gone into in the spout, the front portion of fan is worn out the fan mounting hole, it has ring gear and gear mesh to process on the outer wall of fan.
5. A spray gun as claimed in claim 3, wherein: a liquid inlet cavity is formed in the middle of the connecting cylinder, and a liquid inlet hole is formed in the side wall of the connecting cylinder and communicated with the liquid inlet cavity; an air inlet hole is formed in the side wall of the connecting cylinder, a circular groove, a first annular groove and a second annular groove are formed in the surface of the top of the connecting cylinder from inside to outside respectively, an air outlet hole communicated with the air inlet hole and the first annular groove is formed in the side wall of the connecting cylinder, and the first annular groove is in butt joint with the air injection hole; the circular groove is butted with the liquid cavity.
6. A spray gun as claimed in claim 5, in which: the top of the spray needle is in a fusiform shape, the spray needle penetrates through the liquid inlet cavity, and the fusiform part of the top of the spray needle is positioned in the liquid cavity on the top surface of the connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020345937.3U CN212237825U (en) | 2020-03-18 | 2020-03-18 | Spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020345937.3U CN212237825U (en) | 2020-03-18 | 2020-03-18 | Spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212237825U true CN212237825U (en) | 2020-12-29 |
Family
ID=73991921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020345937.3U Expired - Fee Related CN212237825U (en) | 2020-03-18 | 2020-03-18 | Spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212237825U (en) |
-
2020
- 2020-03-18 CN CN202020345937.3U patent/CN212237825U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |