Electric paint spraying gun
By designing locking cards and spring mechanisms that match the bottom of the paint gun head with the groove shape in an electric paint gun gun, the problem of difficulty in fixing and leaking in traditional paint gun heads is solved, achieving more efficient use of paint and cost reduction.
Patent Information
- Application Number
- CN202421841672.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The bottom of the traditional paint gun head cannot be matched with the groove shape and is difficult to fix, resulting in the paint gun head moving forward and backward, which is prone to air leakage, poor use effect, and cannot effectively solve the problems of side leakage and waste, and at the same time, it is costly.
An electric paint gun is designed to fix and lock the paint gun head by designing a locking card and spring mechanism paired with the groove shape at the bottom of the paint gun head, preventing air leakage and reducing side leakage and waste through an improved fuselage structure.
The paint spray gun head is stable and fixed, prevents air leakage, improves the use effect, solves the problems of side leakage and waste, and reduces costs.
Smart Images
Figure CN222999009U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of paint spray guns, in particular to an electric paint spray gun. Background Art
[0002] The paint is atomized into fine paint droplets by compressed air and sprayed onto the surface of the object to be painted under the drive of air flow. It mainly consists of a spray cap, a nozzle, a needle valve and a gun body. At the same time, an air pressure device needs to be connected externally, such as a pressure tank, a pressure barrel, a pump, etc. According to different functions, it can be divided into an electrostatic paint spray gun and a high-pressure paint spray gun. Here, the electrostatic paint spray gun and the high-pressure paint spray gun are mainly introduced. The electrostatic paint spray gun is an improved product based on the traditional high-pressure air paint spray gun, and is slowly extended by using advanced technical theories. It is easy to operate, has good atomization effect, is safer and saves paint.
[0003] The bottom of the traditional paint spray gun head cannot be paired with the groove shape. It is difficult to directly insert the paint spray gun head into the appropriate position and then fix the paint spray gun head at the card groove by the spring return force. It is difficult to lock the paint spray gun head, and it cannot prevent the paint spray gun head from moving back and forth, which is likely to cause air leakage at the connection with the air pump. The overall use effect is poor, and it cannot solve the problems of side leakage and waste. At the same time, it cannot reduce costs.
[0004] Therefore, the technical personnel in this field provide an electric paint spray gun to solve the problems raised in the above background art. Content of the Utility Model
[0005] The purpose of the utility model is to provide an electric paint spray gun to solve the problems in the above background art, that is, the bottom of the traditional paint spray gun head cannot be paired with the groove shape, it is difficult to directly insert the paint spray gun head into the appropriate position, and then it is impossible to fix the paint spray gun head at the card groove by the spring return force, it is difficult to lock the paint spray gun head, it cannot prevent the paint spray gun head from moving back and forth, it is easy to cause air leakage at the connection with the air pump, the overall use effect is poor, it cannot solve the problems of side leakage and waste, and at the same time, it cannot reduce costs.
[0006] To achieve the above purpose, the utility model provides the following technical solutions:
[0007] An electric paint spray gun includes a body shell, a left housing, a battery base and an air pump. An air pump is provided inside the body shell. One end of the air pump is sleeved with a paint spray gun head. A paint spray gun head locking card is clamped inside the paint spray gun head. One end of the paint spray gun head locking card is provided with a paint spray gun head locking button. The other end of the paint spray gun head locking card is sleeved with a spring. The bottom end of the paint spray gun head is sleeved with a paint pot cover. A suction pipe is provided inside the paint spray gun head. The bottom surface of the paint pot cover is threadedly connected to a paint pot. The bottom surface of the body shell is provided with a battery base. A battery is sleeved on the bottom surface of the battery base. One side of the left housing is fixedly connected to a right housing. Threaded posts and a housing inner cavity are provided inside both the left housing and the right housing. A PCB control board is fixedly arranged inside the housing inner cavity. Heat dissipation holes are provided on the outer wall of the right housing. A body grip is provided at the bottom of the left housing and the right housing. Anti-slip patterns are provided on the outer wall of the body grip. A switch is provided inside the body grip. A switch button is provided on the outer wall of the body grip.
[0008] As a preferred embodiment of the present utility model: The paint spray gun head locking card, the spring and the air pump are all located inside the body shell, and the paint spray gun head locking button is inlaid on the outer wall of the body shell.
[0009] As a preferred embodiment of the present utility model: The battery and the air pump are electrically connected by an electric wire, and the switch and the battery are electrically connected by an electric wire.
[0010] As a preferred embodiment of the present utility model: The body shell includes a left housing, a right housing, heat dissipation holes, a body grip, a switch button, anti-slip patterns, a switch, threaded posts and a housing inner cavity.
[0011] As a preferred embodiment of the present utility model: The paint spray gun head locking card, the paint spray gun head locking button and the spring are all located on the same vertical central axis.
[0012] As a preferred embodiment of the present utility model: The outer wall of the paint pot cover is provided with threads, and a hole is provided in the middle of the threads. This hole is connected to the suction pipe. An annular sealing rib is provided inside the paint pot cover.
[0013] Compared with the prior art, the beneficial effects of the present utility model are:
[0014] An electric paint spray gun of the present utility model can change the situation that the bottom of the traditional paint spray gun head cannot be paired with the groove shape. After directly inserting the paint spray gun head into the appropriate position, the paint spray gun head can be fixed by the spring return force to be stuck in the card groove, which can lock the paint spray gun head and prevent the paint spray gun head from moving back and forth. It can solve the problem of air leakage at the air pump connection. The overall use effect can be better, which can solve the problems of side leakage and waste, and can also reduce costs. Description of the Drawings
[0015] Other features, objects, and advantages of the present utility model will become more apparent from the following detailed description of non - restrictive embodiments read in conjunction with the accompanying drawings:
[0016] Figure 1 It is a three - dimensional structural schematic diagram of the overall structure of an electric paint spray gun;
[0017] Figure 2 It is an isometric side - view structural schematic diagram of the overall structure in an electric paint spray gun;
[0018] Figure 3 It is a three - dimensional structural schematic diagram of the overall internal structure in an electric paint spray gun;
[0019] Figure 4 It is an isometric side - view structural schematic diagram of the overall internal structure in an electric paint spray gun.
[0020] Figure 5 It is a structural schematic diagram of the connection part of the paint spray gun head locking card in an electric paint spray gun.
[0021] In the figure: 1, body housing; 101, left housing; 102, right housing; 103, heat dissipation holes; 104, body grip; 105, switch button; 106, anti - slip pattern; 107, switch; 108, threaded post; 109, inner cavity of the housing; 110, PCB control board; 2, battery base; 3, paint spray gun head; 4, paint pot lid; 5, paint pot; 6, suction pipe; 7, paint spray gun head locking card; 8, paint spray gun head locking button; 9, spring; 10, air pump; 11, battery. Detailed Embodiments
[0022] Please refer to Figures 1-5, in the embodiment of the present utility model, an electric paint spray gun includes a body shell 1, a left housing 101, a battery base 2 and an air pump 10. An air pump 10 is provided inside the body shell 1. One end of the air pump 10 is sleeved with a paint spray gun head 3. A paint spray gun head locking card 7 is clamped inside the paint spray gun head 3. When in use, the paint spray gun head locking card 7, the paint spray gun head locking button 8, a spring 9 and the air pump 10 are connected together. Then, the paint kettle lid 4 and the paint kettle 5 are combined together. A suction pipe 6 can suck the paint in the paint kettle 5 to the position of the paint spray gun head 3. The paint at the position of the paint spray gun head 3 is ejected through the air pump 10. The body shell 1 is divided into a left housing 101 and a right housing 102. The head of the body shell 1 is designed with a notch having the same shape as the paint spray gun head to prevent paint leakage caused by the rotation of the paint spray gun head during operation. An air pump clamping buckle is provided inside to fix the air pump. One end of the paint spray gun head locking card 7 is provided with a paint spray gun head locking button 8. The other end of the paint spray gun head locking card 7 is sleeved with a spring 9. The bottom end of the paint spray gun head 3 is sleeved with a paint kettle lid 4. A suction pipe 6 is provided inside the paint spray gun head 3. The bottom surface of the paint kettle lid 4 is threadedly connected to a paint kettle 5. The bottom surface of the body shell 1 is provided with a battery base 2. The battery base 2 connects the bottoms of the handles of the left housing 101 and the right housing 102, one piece at the bottom of each of the left housing 101 and the right housing 102. After the left housing 101 and the right housing 102 are combined, a complete battery buckle is formed. The battery 11 can be directly installed on the buckle, which is convenient to replace. The spare battery 11 can be carried at any time without affecting the operation. The paint spray gun head 3 is installed at the position of the paint spray gun head to spray paint. The body of the gun head is designed with a threaded hole, the size of which is the same as the size of the screw at the top of the paint kettle lid, and is used to connect the paint kettle 5. The top of the paint kettle lid 4 is designed with threads, and a hole is designed in the middle of the threads. This hole is connected to the suction pipe and is installed in the threaded hole in the middle of the body of the paint spray gun head 3. Small holes for the suction pipe are designed inside the paint kettle lid 4 for inserting the suction pipe 6. An annular sealing rib is designed inside the paint kettle lid 4. The annular sealing rib is directly stuck inside the bottle mouth. After the bottle cap is screwed on, the annular sealing rib and the inner wall of the bottle mouth realize the anti-leakage function. The bottom surface of the battery base 2 is sleeved with a battery 11. One side of the left housing 101 is fixedly connected to the right housing 102. Threaded posts 108 and an outer shell inner cavity 109 are provided inside both the left housing 101 and the right housing 102. Heat dissipation holes 103 are provided on the outer wall of the right housing 102. Body grips 104 are provided at the bottoms of the left housing 101 and the right housing 102. Anti-slip patterns 106 are provided on the outer wall of the body grips 104. A switch 107 is provided inside the body grips 104. A switch button 105 is provided on the outer wall of the body grips 104.
[0023] Please refer to Figure 1 , Figure 3 and Figure 5, the paint spray gun head locking card 7, the spring 9 and the air pump 10 are all located inside the body shell 1, and the paint spray gun head locking button 8 is inlaid on the outer wall of the body shell 1. The paint spray pot 5 is connected to the paint spray pot cover 4 for placing paints of different colors. The paint spray pot cover 4, the suction pipe 6 and the body of the paint spray pot 5 form an integrated design and can be installed on or removed from the paint spray gun head 3 at any time. It can be replaced with a paint spray pot of other colors without cleaning the suction pipe, the bottle body and the pot cover every time, preventing color mixing, improving the work efficiency of the staff, reducing paint waste. The suction pipe 6 is installed in the middle groove of the bottle cap and is directly connected to the paint spray pot cover 4, forming an integral body with the body of the paint spray pot 5. Previously, the suction pipe 6 was directly installed inside the paint spray gun head 3. The suction pipe 6 was inserted into the large hole in the middle of the paint spray pot cover 4 and extended into the bottle body to suck the paint, which was not convenient for cleaning, the operation was troublesome, and the waste caused by replacing the paint was serious. The battery 11 is electrically connected to the air pump 10 through an electric wire, and the switch 107 is electrically connected to the battery 11 through an electric wire. The body shell 1 includes a left shell 101, a right shell 102, heat dissipation holes 103, a body grip 104, a switch button 105, anti-slip patterns 106, a switch 107, threaded posts 108 and an inner cavity of the shell 109. A PCB control board 110 is fixedly arranged on the inner side of the inner cavity of the shell 109. During the working process of the paint spray gun, due to the driving force, the paint spray gun head 3 will rotate back and forth, causing leakage and waste of the original designed paint spray pot 5 due to rotation. The paint spray gun head locking card 7 is connected to the paint spray gun head locking button 8. A spring 9 is installed at the bottom of the paint spray gun head locking card 7. The paint spray gun head locking card 7 is designed with a groove shape matching the bottom of the paint spray gun head 3. After the paint spray gun head 3 is directly inserted and installed in place, using the return force of the spring 9, the paint spray gun head 3 is stuck at the groove of the paint spray gun head locking card 7 to be fixed, thus locking the paint spray gun head 3 and preventing the paint spray gun head 3 from moving back and forth, causing air leakage at the connection with the air pump 10. The paint spray gun head locking button 8 is connected to the paint spray gun head locking card 7. Pushing the paint spray gun head locking card 7 inward, the return force of the spring 9 can make the paint spray gun head locking button 8 bounce back. The spring 9 plays the role of rebounding the locking card and the button connected to the card. The body of the paint spray gun head 3 passes through the middle space of the paint spray gun head locking card 7 to be locked and is directly connected to the air outlet of the air pump 10. The air pump 10 blows out compressed air to atomize the sucked paint and spray it out. On the market, the air pump and the paint spray gun head are connected by an air path through the cavity formed by the left and right shells. The air flow blows into the body of the paint spray gun head and sprays out the paint. Due to the gaps at the joints of the body shell, the compressed air will leak out from the gaps of the shell, causing waste. This design effectively improves the technology, solves the problems of side leakage and waste, reduces the cost. The battery can play the role of power supply. The air pump is controlled to start through the switch button 105. The switch button 105 is used to control the start and stop of the air pump. The paint spray gun head locking card 7, the paint spray gun head locking button 8 and the spring 9 are all located on the same vertical central axis. The outer wall of the paint spray pot cover 4 is provided with threads, a hole is provided in the middle of the threads, and an annular sealing rib is provided inside the paint spray pot cover 4.
[0024] It should be noted that the present utility model is an electric paint spray gun, which includes 1. body housing; 101. left housing; 102. right housing; 103. heat dissipation holes; 104. body grip; 105. switch button; 106. anti-slip pattern; 107. switch; 108. threaded post; 109. inner cavity of the housing; 110. PCB control board; 2. battery base; 3. paint spray gun head; 4. paint pot lid; 5. paint pot; 6. suction pipe; 7. paint spray gun head locking card; 8. paint spray gun head locking button; 9. spring; 10. air pump; 11. battery. The components are all common standard parts or parts known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or obtained through conventional experimental methods.
[0025] The working principle of the present utility model is as follows: When in use, the paint spray gun head locking card 7, the paint spray gun head locking button 8, the spring 9 and the air pump 10 are connected together. Then, the paint spray pot lid 4 and the paint spray pot 5 are combined. The suction pipe 6 can suck the paint in the paint spray pot 5 to the position of the paint spray gun head 3, and the paint at the position of the paint spray gun head 3 is ejected through the air pump 10. The body shell 1 is divided into a left shell 101 and a right shell 102. There is a notch with the same shape as the paint spray gun head designed at the head of the body shell 1 to prevent the paint spray gun head from rotating during operation and causing paint leakage. An air pump buckle is arranged inside to fix the air pump. The battery base 2 is connected to the bottoms of the handles of the left shell 101 and the right shell 102, with one piece at the bottom of each of the left shell 101 and the right shell 102. After the left shell 101 and the right shell 102 are combined, a complete battery buckle is formed, and the battery 11 can be directly installed on the buckle, which is convenient to replace. The spare battery 11 can be carried at any time without affecting the operation. The paint spray gun head 3 is installed at the position of the paint spray gun head, spraying paint. There is a threaded hole designed on the body of the gun head, and the size is the same as the size of the screw on the top of the paint spray pot lid, for connecting with the paint spray pot 5. There is a thread designed on the top of the paint spray pot lid 4, and a hole is designed in the middle of the thread, which is installed in the threaded hole in the middle of the body of the paint spray gun head 3. There are small holes for the suction pipe designed inside the paint spray pot lid 4 for inserting the suction pipe 6. There are annular sealing rib strips designed inside the paint spray pot lid 4, and the annular sealing rib strips are directly stuck inside the bottle mouth. After the bottle cap is screwed on, the annular sealing rib strips and the inner wall of the bottle mouth achieve the anti-leakage function. The paint spray pot 5 is connected to the paint spray pot lid 4, for placing paints of different colors. The paint spray pot lid 4, the suction pipe 6 and the body of the paint spray pot 5 form an integrated design, and can be installed on or removed from the paint spray gun head 3 at any time, and can be replaced with paint spray pots of other colors without having to clean the suction pipe, the bottle body and the bottle lid every time, preventing color mixing, improving the working efficiency of the staff, reducing paint waste. The suction pipe 6 is installed in the middle groove of the bottle cap and is directly connected to the paint spray pot lid 4, forming an integral body with the body of the paint spray pot 5. Previously, the suction pipe 6 was directly installed inside the paint spray gun head 3, and the suction pipe 6 was inserted into the large hole in the middle of the paint spray pot lid 4 and extended into the bottle body to suck the paint, which was not convenient to clean, the operation was troublesome, and the paint replacement caused serious waste. During the working process of the paint spray gun, due to the driving force, the paint spray gun head 3 will rotate back and forth, causing leakage and waste of the original designed paint spray pot 5 due to rotation. The paint spray gun head locking card 7 is connected to the paint spray gun head locking button 8. A spring 9 is installed at the bottom of the paint spray gun head locking card 7. The paint spray gun head locking card 7 is designed with a groove shape that matches the bottom of the paint spray gun head 3. After the paint spray gun head 3 is directly inserted and installed in the appropriate position, using the return force of the spring 9, the paint spray gun head 3 is stuck in the groove of the paint spray gun head locking card 7 to be fixed, thus locking the paint spray gun head 3 and preventing the paint spray gun head 3 from moving back and forth, causing air leakage at the connection with the air pump 10. The paint spray gun head locking button 8 is connected to the paint spray gun head locking card 7. Pushing the paint spray gun head locking card 7 inward, the return force of the spring 9 can make the paint spray gun head locking button 8 bounce back.The spring 9 functions to resiliently lock the card and the button connected to the card. The body of the paint spray gun head 3 passes through the middle space of the paint spray gun head locking card 7 for locking and is directly connected to the air outlet of the air pump 10. The air pump 10 blows out compressed air to atomize the sucked-up paint and spray it out. In the market, the air pump and the paint spray gun head are connected by an air path through the cavity formed by the left and right casings. The air flow blows into the body of the paint spray gun head to spray out the paint. However, due to the gaps at the joints of the body shell, the compressed air will leak out from the gaps of the casing, resulting in waste. This design effectively improves the technology, solves the problems of side leakage and waste, reduces the cost, and the battery can play a role in power supply. The air pump is started by controlling through the switch button 105, and the switch button 105 is used to control the start and stop of the air pump.
[0026] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. An electric paint spray gun, comprising a body shell (1), a left shell (101), a battery base (2) and an air pump (10), characterized in that: An air pump (10) is provided inside the body shell (1), a paint spray gun head (3) is sleeved on one end of the air pump (10), a paint spray gun head locking card (7) is clamped inside the paint spray gun head (3), a paint spray gun head locking button (8) is provided on one end of the paint spray gun head locking card (7), a spring (9) is sleeved on the other end of the paint spray gun head locking card (7), a paint spray pot cover (4) is sleeved on the bottom end of the paint spray gun head (3), a straw (6) is provided inside the paint spray gun head (3), a paint spray pot (5) is threadedly connected to the bottom surface of the paint spray pot cover (4), a battery base (2) is sleeved on the bottom surface of the battery base (2), One side of the left housing (101) is fixedly connected to the right housing (102); the inner sides of the left housing (101) and the right housing (102) are both provided with threaded columns (108) and a housing inner cavity (109); a PCB control board (110) is fixedly arranged on the inner side of the housing inner cavity (109); the outer wall of the right housing (102) is provided with heat dissipation holes (103); the bottoms of the left housing (101) and the right housing (102) are provided with a body grip (104); the outer wall of the body grip (104) is provided with an anti-slip pattern (106); a switch (107) is provided inside the body grip (104); and a switch button (105) is provided on the outer wall of the body grip (104).
2. An electric paint spray gun according to claim 1, characterized in that: The paint spray gun head locking card (7), spring (9) and air pump (10) are all located inside the body shell (1), and the paint spray gun head locking button (8) is embedded on the outer wall of the body shell (1).
3. The electric paint spray gun according to claim 1, characterized in that: The battery (11) and the air pump (10) are electrically connected via wires, and the switch (107) and the battery (11) are electrically connected via wires.
4. The electric paint spray gun according to claim 1, characterized in that: The body shell (1) comprises a left shell (101), a right shell (102), a heat dissipation hole (103), a body grip (104), a switch button (105), an anti-slip pattern (106), a switch (107), a threaded column (108) and a shell inner cavity (109).
5. The electric paint spray gun according to claim 1, characterized in that: The paint spray gun head locking card (7), the paint spray gun head locking button (8) and the spring (9) are all located on the same vertical central axis.
6. The electric paint spray gun according to claim 1, characterized in that: The outer wall of the paint spray pot cover (4) is provided with a thread, a hole is provided in the middle of the thread, and the hole is connected to the suction pipe. An annular sealing rib is provided inside the paint spray pot cover (4).