Pot type paint spraying gun

By introducing an inner liner and a double check valve structure into the paint gun, the problem of accidental paint spillage from the paint can is solved, enabling precise control of paint and continuous operation, avoiding paint waste and environmental pollution, and improving the efficiency of painting operations.

CN223800721UActive Publication Date: 2026-01-16CHENGDU HEZHAN PHOTOELECTRIC EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520173892.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-16
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Traditional spray guns often have paint cannibalization issues, leading to accidental spills of paint, waste, environmental pollution, and disruption of the continuity and efficiency of spray painting operations.

Method used

A pot-type spray gun with an inner liner and a double check valve structure was designed. The inner liner is reliably kept with its opening facing downwards by rotating the bracket, and the check valves are automatically closed by gravity to prevent paint from flowing out. When not in use, it can be placed anywhere without affecting the operation.

Benefits of technology

It enables precise control of paint and prevents waste, ensuring the continuity and efficiency of painting operations, avoiding paint pollution, and improving the cleanliness of the working environment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223800721U_ABST
    Figure CN223800721U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of paint spraying guns, in particular to a pot type paint spraying gun which comprises a paint spraying gun body and a paint spraying pot. A connecting opening is formed in the paint spraying gun main body; the paint spraying pot comprises a pot body, a rotating support, an inner container and a connecting piece. The opening of the kettle body is upward; the connecting piece is arranged at the bottom of the kettle body and penetrates through the interior of the kettle body; the connecting piece is connected to the connecting port; the rotating bracket is arranged at the opening of the kettle body; the inner container is rotationally arranged on the arc-shaped ring; an opening is formed in the inner container, and a second check valve is arranged on the opposite side of the opening; a first check valve is arranged at the bottom of the inner side of the kettle body; when the inner container rotates to enable the second check valve and the first check valve to be close to each other, the second check valve and the first check valve are opened at the same time. The paint spraying pot solves the problems that paint in the paint spraying pot is poured out accidentally, so that paint is wasted, the operation environment is polluted, and the continuity and efficiency of paint spraying operation are affected.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of paint spraying gun, specifically, relate to a kettle type paint spraying gun. BACKGROUND

[0002] In the coating industry, paint spraying gun is indispensable tool, for even paint spraying on object surface, traditional paint spraying gun usually is equipped with fixed paint spraying kettle, kettle body and paint spraying gun main body are directly connected, paint flows from kettle body to paint spraying gun through gravity or pressure, paint spraying kettle needs to utilize gravity, so that paint can enter paint spraying gun, therefore, the top of general paint spraying kettle is not provided with top cover, can make liquid spray material enter kettle and spray under the action of atmospheric pressure, and after covering top cover, make paint spraying kettle internal seal, lead to liquid spray material can not enter kettle internal, therefore, when adopting kettle type paint spraying gun to spray paint, often need to remove top cover, or adopt top cover with hole to communicate with outside, then when spraying paint, paint spraying kettle is inclined or is put down or is poured, easy to cause paint in paint spraying kettle to accidentally pour out from its opening, not only cause paint waste, also can cause pollution to working environment, and influence continuity and efficiency of paint spraying operation. SUMMARY

[0003] The utility model discloses a kettle type paint spraying gun, solve the problem that paint in paint spraying kettle accidentally pours out and causes paint waste, pollutes working environment, and influences continuity and efficiency of paint spraying operation.

[0004] The embodiment of the utility model realizes by following technical scheme:

[0005] A kettle type paint spraying gun, comprising:

[0006] Paint spraying gun main body, be equipped with connecting port on the paint spraying gun main body;

[0007] Paint spraying kettle, including kettle body, rotating support, inner bag and connecting piece;The kettle body opens upward;The connecting piece is located at the bottom of the kettle body and is through in the inside of the kettle body;The connecting piece is connected at the connecting port;The rotating support is located at the opening of the kettle body;The inner bag is rotatably arranged on the arc ring;The inner bag is provided with an opening, and a second check valve is arranged on the opposite side of the opening;The first check valve is arranged on the inner side bottom of the kettle body;When the inner bag rotates and makes the second check valve and the first check valve close, the second check valve and the first check valve open simultaneously.

[0008] The first stop valve comprises a guide cylinder, a first spring and a first stop ball; the bottom of the kettle body is further provided with a discharging hole and is communicated with the connecting piece; the guide cylinder is arranged around the outside of the discharging hole; the first stop ball is arranged inside the guide cylinder; the end of the guide cylinder away from the discharging hole is provided with a first flow guide hole; the diameter of the first flow guide hole is smaller than that of the first stop ball; and the first spring is arranged around the discharging hole and is connected to the bottom of the kettle body and the first stop ball at two ends respectively.

[0009] The second stop valve comprises a support frame, a second spring and a second stop ball; the opening side of the inner container is further provided with a second flow guide hole, and the diameter of the second flow guide hole is smaller than that of the second stop ball; the support frame is arranged on the inner side wall of the inner container around the second flow guide hole; the second stop ball is located inside the support frame; and the two ends of the second spring are connected to the support frame and the second stop ball respectively.

[0010] The support frame comprises a connecting plate and a plurality of support rods; the connecting plate is arranged above the second flow guide hole; the plurality of support rods are arranged around the second flow guide hole and are connected to the connecting plate and the inner container at two ends respectively; and one end of the second spring is connected to the connecting plate.

[0011] The shape of the inner container is spherical; the rotating support is an arc-shaped ring; and the inner container is rotatably arranged on the inner side wall of the arc-shaped ring.

[0012] The paint spraying kettle further comprises a top cover which is arranged at the opening of the inner container in an openable and closable manner.

[0013] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0014] The paint spraying kettle of the utility model comprises an inner container, a first stop valve, a second stop valve, a rotating support, a connecting piece and a first spring, wherein the inner container is provided with an opening on one side and is rotatably arranged on the rotating support; the first stop valve comprises a guide cylinder, a first spring and a first stop ball; the bottom of the kettle body is further provided with a discharging hole and is communicated with the connecting piece; the guide cylinder is arranged around the outside of the discharging hole; the first stop ball is arranged inside the guide cylinder; the end of the guide cylinder away from the discharging hole is provided with a first flow guide hole; the diameter of the first flow guide hole is smaller than that of the first stop ball; and the first spring is arranged around the discharging hole and is connected to the bottom of the kettle body and the first stop ball at two ends respectively. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of embodiment 1;

[0016] Figure 2 It is the structure schematic diagram of paint spraying kettle;

[0017] Figure 3 is a sectional view of the paint spraying pot Figure 1 ;

[0018] Figure 4 is a sectional view of the paint spraying pot Figure 2 .

[0019] In the figure, 1-paint spraying gun body, 2-paint spraying pot, 201-pot body, 2011-guide cylinder, 2012-discharge hole, 2013-first spring, 2014-first flow stopping ball, 2015-groove, 2016-first flow guiding hole, 202-rotating support, 203-inner container, 2031-connection plate, 2032-branch, 2033-second spring, 2034-second flow stopping ball, 2035-second flow guiding hole, 204-top cover, 2041-retaining ring, 2042-handle, 3-connection piece. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0022] As shown in Figure 1 and 2 , a pot type paint spraying gun comprises a paint spraying gun body 1 and a paint spraying pot 2; the paint spraying pot 2 is connected to a connecting port on the paint spraying gun body 1 through a connection piece 3; the paint spraying gun body 1 is connected with a gas pump for spraying the paint in the paint spraying pot 2 out; the connection piece 3 is used for sealingly connecting the paint spraying gun body 1 and the paint spraying pot 2 and making the paint in the paint spraying pot 2 flow into the paint spraying gun body 1; the gas is pumped into the paint spraying gun and sprayed out from the gun mouth, and then the paint flowing into the paint spraying gun body 1 is sprayed out with the high-speed gas flow, so that the paint is sprayed out for work; it should be noted that the paint spraying gun body 1 and the connection piece 3, and the connection of the paint spraying gun body 1 with the gas pump and the method of spraying the paint are all prior art, and are not the improvement of the present embodiment, which will not be described in detail here.

[0023] As shown in Figure 3 and 4As shown, the paint spraying pot 2 comprises a pot body 201, a rotating support 202, an inner container 203 and a top cover 204; the pot body 201 is upwardly open, and a bottom thereof is provided with a discharging hole 2012 for the flow of the spraying material; the connecting piece 3 is arranged at the bottom of the pot body 201 and is communicated with the inside of the pot body 201 through the discharging hole 2012; the rotating support 202 is in the shape of an arc ring and is arranged around the top opening of the pot body 201; the inner container 203 is rotatably arranged in the arc ring; so that the arc ring surrounds the inner container 203, avoiding the inner container 203 from being separated from the arc ring and ensuring that the inner container 203 can smoothly rotate in the arc ring;

[0024] The discharging hole 2012 at the bottom of the inner side of the pot body 201 is further provided with a first flow-stopping valve, which can control the communication between the inside of the pot body 201 and the discharging hole 2012; the first flow-stopping valve comprises a guide cylinder 2011, a first spring 2013 and a first flow-stopping ball 2014; the guide cylinder 2011 is arranged around the outside of the discharging hole 2012, and an end thereof away from the discharging hole 2012 is provided with a first flow guide hole 2016 through which the spraying material can enter the guide cylinder 2011, so that the spraying material can first pass through the guide cylinder 2011 and then enter the paint spraying gun body 1, and when the guide cylinder 2011 is closed, the backflow of the spraying material can be avoided; the top end of the guide cylinder 2011 is further provided with an arc-shaped concave surface around the first flow guide hole 2016, which is used for guiding the spraying material along the arc-shaped concave surface to the first flow guide hole 2016 and avoiding splashing when the inner container 203 flows out the spraying material towards the guide cylinder 2011 when the pot body 201 is normally working vertically upward; the first flow-stopping ball 2014 is arranged inside the guide cylinder 2011; and the diameter of the first flow guide hole 2016 is smaller than that of the first flow-stopping ball 2014, which is used for limiting the movement of the first flow-stopping ball 2014 in the guide cylinder 2011; the first spring 2013 is arranged around the discharging hole 2012, and two ends thereof are respectively connected to the bottom of the pot body 201 and the first flow-stopping ball 2014, which is used for resetting the first flow-stopping ball 2014 and making the first flow-stopping ball 2014 block the first flow guide hole 2016;

[0025] The inner container 203 is in a spherical shape, and has an opening at the top and a second flow guide hole 2035 at the bottom. The spherical inner container 203 is rotatably arranged in the arc-shaped ring, and the opening at the top of the inner container 203 is arranged to have its gravity center lower, so that the opening is always vertically upward when the inner container 203 rotates relative to the kettle body 201 under the action of gravity. The top cover 204 is arranged at the opening of the inner container 203 in an openable and closable manner. The second flow stop valve is further arranged at the second flow guide hole 2035 on the inner side of the inner container 203. The second flow stop valve comprises a support frame, a second spring 2033 and a second flow stop ball 2034. The support frame comprises a connecting plate 2031 and a plurality of support rods 2032. The connecting plate 2031 is arranged above the second flow guide hole 2035. The plurality of support rods 2032 are arranged around the second flow guide hole 2035, and the two ends thereof are connected to the connecting plate 2031 and the inner container 203 respectively. The second flow stop ball 2034 is located inside the support frame. The two ends of the second spring 2033 are connected to the connecting plate 2031 and the second flow stop ball 2034 respectively. The diameter of the second flow stop ball 2034 is greater than that of the second flow guide hole 2035, so that the second flow stop ball 2034 can be in contact with the second flow guide hole 2035 and block the second flow guide hole 2035 under the action of the second spring 2033. In actual operation, the axis of the kettle body 201 is kept vertical, so that the first flow stop ball 2014 and the second flow stop ball 2034 are in contact with each other and move in opposite directions to compress the first spring 2013 and the second spring 2033 respectively, so that the first flow guide hole 2016 and the second flow guide hole 2035 on the two sides are opened respectively, and the spray material can flow from the inner container 203 into the guide cylinder 2011.

[0026] Specifically, the bottom of the top cover 204 is provided with a stop ring 2041, which is used to prevent the top cover 204 from sliding transversely when the top cover 204 is placed on the inner container 203. The top of the top cover 204 is provided with a handle 2042, which facilitates the separation of the top cover 204 from the inner container 203 and the addition of spray material.

[0027] More specifically, the side of the stop ring 2041 in contact with the inner container 203 is provided with a rubber ring, which prevents the top cover 204 from being separated from the inner container 203 when the top cover 204 is placed on the inner container 203, and is used to close the opening of the inner container 203. The top cover 204 is further provided with a hole, which allows the inside of the inner container 203 to communicate with the outside when the top cover 204 is placed on the inner container 203.

[0028] The working principle of the embodiment is as follows:

[0029] The utility model discloses a kettle type paint spraying gun, when spraying paint, keep the vertical of kettle body 201, make the inner bag 203 rotate to the second stop valve and first stop valve close along the arc ring, first stop ball 2014 and second stop ball 2034 adhere and reverse movement, make first spring 2013 and second spring 2033 compress respectively, and make first flow guide hole 2016 and second flow guide hole 2035 open a interval from the edge of stop ball respectively, make the spray material in the inner bag 203 flow through first flow guide hole 2016, second flow guide hole 2035 and discharge hole 2012 in proper order, finally reach in paint spraying gun main part 1, when the paint spraying gun is deflected or is put down or is poured, the inner bag 203 is under the action of gravity, and its opening is always upward, and rotates along the arc ring, first stop ball 2014 and second stop ball 2034 separate, make the stop valve on both sides close.

[0030] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pot-type paint spray gun, characterized by, The utility model relates to a paint spraying device, which comprises a paint spraying gun body, a paint spraying pot and a connecting port. The paint spraying pot comprises a pot body, a rotating support, an inner container and a connecting piece. The pot body is open upward. The connecting piece is arranged at the bottom of the pot body and penetrates the inside of the pot body. The connecting piece is connected to the connecting port.

2. A pot-type paint spraying gun according to claim 1, wherein The rotating support is arranged at the opening of the pot body.

3. A pot-type paint spray gun according to claim 1, wherein The inner container is rotatably arranged on the inner side wall of the arc-shaped ring.

4. A pot type paint spray gun according to claim 3, wherein The inner container is provided with an opening, and a second stop valve is arranged at the opposite side of the opening.

5. A pot-type paint spray gun according to claim 1, wherein The inside bottom of the pot body is provided with a first stop valve.

6. A pot-type paint spray gun according to claim 1, wherein When the inner container rotates to make the second stop valve and the first stop valve close to each other, the second stop valve and the first stop valve are opened at the same time. The first stop valve comprises a guide cylinder, a first spring and a first stop ball. The bottom of the pot body is further provided with a discharging hole, which is connected to the connecting piece. The guide cylinder is arranged around the outside of the discharging hole. The first stop ball is arranged in the guide cylinder. The end of the guide cylinder away from the discharging hole is provided with a first flow guide hole. The diameter of the first flow guide hole is smaller than that of the first stop ball. The first spring is arranged around the discharging hole, and the two ends of the first spring are connected to the bottom of the pot body and the first stop ball, respectively. The second stop valve comprises a support frame, a second spring and a second stop ball. The opposite side of the opening of the inner container is further provided with a second flow guide hole, which is smaller than the second stop ball. The support frame is arranged on the inner side wall of the inner container around the second flow guide hole. The second stop ball is arranged in the support frame. The two ends of the second spring are connected to the support frame and the second stop ball, respectively. The support frame comprises a connecting plate and a plurality of support rods. The connecting plate is arranged above the second flow guide hole. The plurality of support rods are arranged around the second flow guide hole, and the two ends of the support rods are connected to the connecting plate and the inner container, respectively. One end of the second spring is connected to the connecting plate. The shape of the inner container is spherical. The rotating support is an arc-shaped ring. The inner container is rotatably arranged on the inner side wall of the arc-shaped ring. The paint spraying pot further comprises a top cover, which is arranged at the opening of the inner container in an openable and closable manner.