CN216800243U

CN216800243U - Paint ejector pin device and pneumatic spray gun adopting same

Info

Publication number: CN216800243U
Application number: CN202220104355.5U
Authority: CN
Inventors: 黄忠义
Original assignee: Zhangjiagang Lijie Hardware Tools Co ltd
Current assignee: Zhangjiagang Lijie Hardware Tools Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-06-24
Anticipated expiration: 2032-01-12

Abstract

The utility model relates to the technical field of pneumatic spray guns, in particular to a paint thimble device and a pneumatic spray gun adopting the same, which comprise a paint thimble, a thimble sliding cavity and a paint cavity, wherein the thimble sliding cavity is connected to the rear end of the paint cavity, the paint thimble is communicated with the thimble sliding cavity and the paint cavity, the front end of the paint cavity is provided with a nozzle, the size of the paint thimble is matched with that of the nozzle, the paint thimble is provided with a slide block and comprises a gun body, a handle and a spray cap, the thimble sliding cavity and the paint cavity are arranged in the gun body, the spray cap and the nozzle are both arranged at the front end of the gun body, one side of the handle is provided with a handle, the paint thimble penetrates through the handle, an air inlet pipe is arranged in the handle, a first air cavity and a second air cavity are arranged in the gun body, the input ends of the first air cavity and the second air cavity are both connected to an air inlet pipe, the gap between the thimble and the nozzle is adjusted by matching the thimble nut and the thimble sliding cavity, thereby realizing the control of the spray amount of the spray paint, the air and the distance between the thimble and the thimble block is adjusted by matching the paint thimble with the paint thimble and the air thimble, therefore, the adjustment of the air volume in the first air cavity can be realized.

Description

Paint ejector pin device and pneumatic spray gun adopting same

Technical Field

The utility model relates to the technical field of pneumatic spray guns, in particular to a paint thimble device and a pneumatic spray gun adopting the same.

Background

The existing air compressor has large power difference, the pressure difference of the generated compressed air is large, the spray gun is directly connected with the air compressor or the air cylinder, when the pressure of the compressed air is large, the power of paint mist sprayed by the spray gun is large, the paint mist is easy to rebound, the adhesive force of the paint is reduced, when the pressure of the compressed air is small, the paint mist is difficult to spray to a spraying surface, therefore, a user needs to perform an experiment before formal spraying, the opening degree of an air flow valve is adjusted according to the pressure of the compressed air, the control is difficult, in addition, the paint of the existing spray gun is generally arranged in a paint bucket, and enters a nozzle through gravity or pressure, but after long-time use, because the paint is reduced, the gravity or the pressure of the paint in the paint bucket is reduced, the amount of the paint sprayed by the spray head is reduced, and the spraying uniformity is reduced.

Therefore, a paint ejector pin device and a pneumatic spray gun using the same are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present invention provides an ejector pin device and a pneumatic spray gun using the same, which are used for solving the problem of the prior art that the amount of paint at the nozzle is not well controlled.

In order to achieve the above and other related purposes, the utility model provides a paint thimble device, which comprises a paint thimble, a thimble sliding cavity and a paint cavity, wherein the thimble sliding cavity is connected to the rear end of the paint cavity, the paint thimble is communicated with the thimble sliding cavity and the paint cavity, the front end of the paint cavity is provided with a nozzle, the size of the paint thimble is matched with that of the nozzle, the paint thimble is provided with a slide block, and the slide block is slidably connected in the thimble sliding cavity.

In an embodiment of the present invention, a thimble nut is threadedly connected to a rear end of the thimble sliding cavity, and the rear end of the lacquer thimble is slidably connected to the thimble nut.

In an embodiment of the utility model, a sealing ring is arranged between the paint cavity and the thimble sliding cavity, and the size of the sealing ring is matched with that of the paint thimble.

The utility model provides an adopt pneumatic spray gun of device, includes the rifle body, handle and spouts the cap, the smooth chamber of thimble and lacquer chamber are located in the rifle body, it all locates the rifle body front end to spout cap and nozzle, handle one side is equipped with the handle, the lacquer thimble runs through the handle setting, and the lacquer thimble perforating hole size on hand matches with the thimble, the slider size is greater than thimble perforating hole size, be equipped with the intake pipe in the handle, internal first air cavity and the second air cavity of being equipped with of rifle, first air cavity and second air cavity input all are connected to the intake pipe, first air cavity output is connected to the handle, second air cavity output is connected to spouts the cap.

In an embodiment of the present invention, the first air cavity is disposed on the handle, an air ejector pin is slidably connected in the first air cavity, an ejector pin block is disposed on the air ejector pin, an ejector pin baffle is disposed in the first air cavity, an output end of the air ejector pin is connected to the handle, and a first air volume knob is threadedly connected to a rear end of the first air cavity.

In an embodiment of the present invention, the second air cavity is disposed at an upper end of the gun body, and the second air cavity is provided with a second air volume knob.

In an embodiment of the present invention, a feeding hole is formed at the top of the gun body on the paint chamber.

In an embodiment of the present invention, an air inlet tube adjusting knob is disposed on the handle, a vent needle is disposed on the air inlet tube adjusting knob, a vent cavity is disposed in the handle, the vent needle is slidably connected in the vent cavity, and a vent needle baffle is disposed at an output end of the vent cavity.

As described above, the paint thimble device and the pneumatic spray gun using the same of the utility model have the following beneficial effects:

1. the paint spraying amount is controlled by adjusting the clearance between the ejector pin and the nozzle through the matching of the paint ejector pin, the ejector pin nut and the ejector pin sliding cavity.

2. The distance between the air ejector pin and the ejector pin block is adjusted by matching the handle with the paint ejector pin and the air ejector pin, so that the adjustment of the air quantity in the first air cavity can be realized.

3. The distance between the vent needle in the vent cavity and the vent needle baffle is adjusted by matching an air inlet pipe adjusting knob on the handle with the vent needle, so that the adjustment of the ventilation volume of the vent cavity is realized.

Drawings

Fig. 1 is a schematic structural diagram of a paint ejector pin device and a pneumatic spray gun using the same disclosed in the embodiment of the utility model.

Fig. 2 is a cross-sectional view of a paint ejector pin device and a pneumatic spray gun using the same according to an embodiment of the present invention.

Description of the element reference numerals

1-gun body; 2-a grip; 3-a handle; 4-air inlet pipe adjusting knob; 5-a vent needle; 6-a ventilation cavity; 7-a vent baffle; 8-air ejector pins; 9-a first air cavity; 10-a second air cavity; 11-a thimble sliding cavity; 12-a first air volume knob; 13-a thimble block; 14-a thimble baffle; 15-a slide block; 16-a lacquer thimble; 17-a nozzle; 18-thimble nut; 19-paint cavity; 20-a sealing ring; 21-spraying a cap; 22 a second air volume knob; 23-an air inlet pipe; 24-feed inlet.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention.

Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, etc. shown in the drawings and attached to the description are only for understanding and reading the disclosure of the present invention, and are not intended to limit the practical conditions of the present invention, so that the present invention has no technical significance, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the technical contents of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a paint thimble 16 device and a pneumatic spray gun using the same, in which when the pneumatic spray gun is required to perform paint spraying treatment on a corresponding working surface, an air inlet pipe 23 in a handle 2 is first connected to an output end of a corresponding vacuum compressor, so that an air source is provided in the handle 2 and a gun body 1, a gap between a vent needle 5 in the handle 2 and a vent baffle 7 in a vent cavity 6 is adjusted by rotating an air inlet pipe adjusting knob 4 according to actual use requirements, so as to adjust the size of the output air in the handle 2, then a handle 3 on one side of the handle 2 is manually squeezed, the air is squeezed by the handle 3, so that the air enters a subsequent second air cavity 10 and a thimble sliding cavity 11 through a first air cavity 9, and the distance between a thimble block 13 on the thimble 8 and a thimble baffle 14 can be adjusted by rotating a first air volume knob 12, thereby controlling the air volume at the output end of the first air cavity 9;

when the handle 3 is manually pressed and moved backwards, the handle 3 can also extrude the slide block 15, and then the slide block 15 drives the paint thimble 16 to move backwards, so that the nozzle 17 at the front end of the paint thimble 16 is opened, so that the paint cavity 19 is opened, the paint flowing into the paint cavity 19 from the feed port 24 is sprayed out through the nozzle 17, the distance between the rear end of a lacquer spike 16 in the spike slide cavity 11 and the spike nut 18 can be adjusted by turning the spike nut 18, thereby realizing the adjustment of the opening size between the front end of the paint thimble 16 and the nozzle 17, and realizing the control of the paint spraying amount of the nozzle 17, the sealing ring 20 between the paint cavity 19 and the thimble sliding cavity 11 can avoid the leakage of paint in the paint spraying process, the second air cavity 10 is connected to the negative pressure air channel and the width adjusting air channel of the spray cap 21, by rotating the second air volume knob 22 on the second air cavity 10, the amount of air in the second air chamber can be adjusted, so that the spray width can be adjusted through the spray cap 21.

In summary, the paint ejector pin is matched with the ejector pin nut and the ejector pin sliding cavity to adjust the gap between the ejector pin and the nozzle, so that the control of the paint spraying amount is realized, the handle is matched with the paint ejector pin and the air ejector pin to adjust the distance between the air ejector pin and the ejector pin block, so that the adjustment of the air amount in the first air cavity can be realized, and the air inlet pipe adjusting knob on the handle is matched with the air vent pin to adjust the distance between the air vent pin and the air vent pin baffle plate in the air vent cavity, so that the adjustment of the air volume in the air vent cavity is realized. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a lacquer thimble device, its characterized in that, includes lacquer thimble, smooth chamber of thimble and lacquer chamber, the smooth chamber of thimble is connected to lacquer chamber rear end, the smooth chamber of lacquer thimble intercommunication and lacquer chamber, lacquer chamber front end is equipped with the nozzle, lacquer thimble size and spout size phase-match, be equipped with the slider on the lacquer thimble, slider sliding connection is in the smooth intracavity of thimble.

2. The paint ejector pin device according to claim 1, wherein: the rear end of the ejector pin sliding cavity is in threaded connection with an ejector pin nut, and the rear end of the paint ejector pin is in sliding connection with the ejector pin nut.

3. The paint ejector pin device according to claim 1, wherein: and a sealing ring is arranged between the paint cavity and the ejector pin sliding cavity, and the size of the sealing ring is matched with that of the paint ejector pin.

4. A pneumatic spray gun employing the paint ejector pin assembly of any one of claims 1-3, wherein: including the rifle body, handle and spout the cap, it is internal that smooth chamber of thimble and lacquer chamber are located the rifle, spout cap and nozzle and all locate the rifle body front end, handle one side is equipped with the handle, the lacquer thimble runs through the handle setting, and the lacquer thimble perforating hole size on hand matches with the thimble, the slider size is greater than thimble perforating hole size, be equipped with the intake pipe in the handle, internal first air cavity and the second air cavity of being equipped with of rifle, first air cavity and second air cavity input all are connected to the intake pipe, first air cavity output is connected to the handle, second air cavity output is connected to spouts the cap.

5. The pneumatic lance of claim 4, wherein: the first air cavity is arranged on the handle, an air ejector pin is connected in the first air cavity in a sliding mode, an ejector pin block is arranged on the air ejector pin, an ejector pin baffle is arranged in the first air cavity, the output end of the air ejector pin is connected to the handle, and a first air volume knob is in threaded connection with the rear end of the first air cavity.

6. The pneumatic lance of claim 4 wherein: the second air cavity is arranged at the upper end of the gun body, and a second air volume knob is arranged on the second air cavity.

7. The pneumatic lance of claim 4, wherein: and a feeding hole is formed in the top of the upper gun body of the paint cavity.

8. The pneumatic lance of claim 4, wherein: the handle is provided with an air inlet pipe adjusting knob, the air inlet pipe adjusting knob is provided with a vent needle, a vent cavity is arranged in the handle, the vent needle is connected in the vent cavity in a sliding mode, and a vent needle baffle is arranged at the output end of the vent cavity.