Electric spray gun

By designing a simple plug-in and plug-in interface connection structure, combined with the unlocking mechanism of the snap position and linkage, the existing electric spray gun connection structure is solved and the problem of inconvenient disassembly and assembly is inconvenient, and the gun body and head are easily disassembled and assembly.

CN222872456UActive Publication Date: 2025-05-16NINGBO JIANGHUI ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202421421115.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-05-16
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The connecting structure of the existing electric spray gun body and head of the gun is complicated, and it is inconvenient to disassemble and install, especially when frequent maintenance is required.

Method used

A simple connection structure is designed, with a plug-in part at the end of the gun head and a plug-in interface at the head of the gun body. The plug-in part is removably connected to the plug-in interface. A snap-in part is equipped with a button and a linkage. When the button is pressed, the linkage member is driven to unlock the snap-in position to achieve convenient disassembly and assembly.

Benefits of technology

It realizes a simple connection structure between the gun body and the gun head, which is very convenient to disassemble and assemble, reducing the difficulty of maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222872456U_ABST
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Abstract

The utility model discloses an electric spray gun, which comprises a gun head and a gun body, the tail part of the gun head is provided with an insertion part, the head part of the gun body is provided with an insertion port, and the insertion part is detachably connected in the insertion port; a buckling position is arranged on the side wall of the inserting part; a key and a linkage piece are arranged at the head of the gun body, the key is in linkage connection with the linkage piece, and a buckling piece is arranged on the linkage piece; when the inserting part is inserted into the inserting opening, the buckling piece is buckled in the buckling position; and the button can be pressed to drive the linkage piece to unlock the buckling position. The connecting structure of the gun body and the gun head of the electric spray gun is simple, so that the gun body and the gun head are very convenient to disassemble and assemble.
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Description

Technical Field

[0001] The utility model relates to the technical field of spray equipment, more specifically to an electric spray gun. Background Art

[0002] Electric spray guns use the rapid release of compressed air as power to spray paint. They include a gun body, a gun head and a trigger. The gun body and the gun head are connected by a connecting mechanism. The connection between the gun body and the gun head must ensure sufficient sealing to prevent compressed air from leaking from the connection when the spray gun is in use and affecting the spraying effect. Due to normal wear of the seals, residual paint clogging the gun head and other reasons, the spray gun needs to be maintained frequently during use, and the gun head needs to be removed from the gun body during maintenance. In order to ensure a tight connection between the gun body and the gun head, the current spray guns on the market have a very complicated connection structure, which is quite difficult to disassemble and install. Some spray guns also need to remove the trigger during disassembly, which is really inconvenient. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an electric spray gun, the connection structure between the gun body and the gun head of the electric spray gun is simple, so that the disassembly and installation of the gun body and the gun head are very convenient.

[0004] The technical solution of the utility model is to provide a spray gun with the following structure, including a gun head and a gun body, wherein the tail of the gun head is provided with a plug-in portion, and the head of the gun body is provided with a plug-in interface, and the plug-in portion is detachably connected in the plug-in interface; a buckle position is provided on the side wall of the plug-in portion; a button and a linkage member are provided on the head of the gun body, and the button is linked to the linkage member, and a buckle member is provided on the linkage member; when the plug-in portion is inserted into the plug-in interface, the buckle member is buckled in the buckle position; pressing the button can drive the linkage member to unlock the buckle position.

[0005] After adopting the above structure, the spray gun of the utility model has the following advantages compared with the prior art:

[0006] Since the side wall of the plug-in part of the spray gun of the utility model is provided with a buckle position; the head of the gun body is provided with a button and a linkage member, the button is linked with the linkage member, and the linkage member is provided with a buckle member; when the plug-in part is inserted into the plug-in port, the buckle member is buckled in the buckle position; pressing the button can drive the linkage member to unlock the buckle position. The gun body and the gun head of the spray gun of the utility model have a simple connection structure and are very convenient to disassemble and assemble.

[0007] As an improvement, the gun body includes an inner shell and an outer shell, the outer shell is sleeved outside the inner shell, the plug-in port is arranged in the head of the inner shell; the button is installed between the outer shell and the inner shell and is exposed outside the outer shell; a first through hole is arranged on the side wall of the inner shell, and the buckle extends through the first through hole into the plug-in port. With this structure, the buckle has a simple structure, is easy to assemble and has a good buckling effect.

[0008] As an improvement, the two ends of the linkage part are respectively connected to the two sides of the button and the linkage part embraces the outer side of the inner shell, and a movable space is left between the linkage part and the inner shell. After adopting this structure, the linkage part has a simple structure and is easy to assemble.

[0009] As an improvement, the linkage member includes a connecting rod and a buckle rod; both sides of the button are connected with a connecting rod, and the two ends of the buckle rod are detachably connected to the ends of the connecting rods on both sides away from the button; the buckle member is arranged on the buckle rod. With this structure, the linkage member has a simple structure and is easy to assemble.

[0010] As an improvement, both side walls of the inner shell are provided with slots, and the ends of the connecting rods on both sides are plugged into the slots on both sides one by one. With this structure, the slots can limit the linkage parts, and the structure is more stable.

[0011] As an improvement, both ends of the buckle rod are provided with a first splicing block, and both ends of the connecting rod are provided with a second splicing block, and the first splicing block and the second splicing block are spliced ​​and connected by buckles. With this structure, the end of the buckle rod and the end of the connecting rod can be matched more reliably.

[0012] As an improvement, the buckle piece is a buckle block, the buckle position is a buckle groove or buckle hole matching the buckle block, and the buckle block can be buckled in the buckle groove or buckle hole. After adopting this structure, the structure is simple and the matching effect is better.

[0013] As an improvement, an elastic locking pin is provided on the side wall of the plug-in part, and a locking pin hole is provided on the side wall of the plug-in interface; when the plug-in part is inserted into the plug-in interface, the elastic locking pin is embedded in the locking pin hole; pressing the button can push the elastic locking pin out of the locking pin hole while unlocking the buckle position. With this structure, the elastic locking pin and the buckle lock the plug-in part at the same time, making the connection between the gun head and the gun body more reliable; the button can unlock the elastic locking pin and the buckle at the same time, and the operation is also very convenient.

[0014] As an improvement, the elastic lock pin includes an elastic member and a plug pin, the plug pin is arranged on the elastic member; a second through hole is arranged on the side wall of the plug-in portion, the elastic member is arranged in the plug-in portion and the end of the plug pin passes through the second through hole and is exposed outside the side wall of the plug-in portion. With this structure, the elastic lock pin has a simple structure and is easy to assemble.

[0015] As an improvement, the elastic member is a "U"-shaped spring sheet, one side of which abuts against the side wall of the flow channel tube in the gun head, and the other side of which abuts against the inner wall of the plug-in portion; the latch is arranged on the outer side wall of the other side of the spring sheet. With this structure, the installation structure between the elastic member and the gun head is simple, the assembly is convenient, and the elastic effect is good.

[0016] As an improvement, a positioning groove is provided on the side wall of the flow channel tube, and one side of the spring piece is embedded in the positioning groove. After adopting this structure, the positioning groove has a positioning effect on the spring piece, and the spring piece assembly is more stable.

[0017] As an improvement, the button is provided with a push rod, the cross-sectional diameter of the push rod is smaller than the diameter of the lock pin hole; the push rod can be inserted into the lock pin hole to push the lock pin out of the lock pin hole. With this structure, the button pushes the lock pin out of the lock pin hole through the push rod, which is simple in structure and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the electric spray gun of the utility model.

[0019] Figure 2 It is a schematic diagram of the explosion structure of the electric spray gun of the utility model.

[0020] Figure 3 It is a schematic structural diagram of the gun head of the electric spray gun of the utility model.

[0021] Figure 4 It is a schematic diagram of the explosion structure of the gun head of the electric spray gun of the utility model.

[0022] Figure 5 It is a schematic diagram of a partial explosion structure of the electric spray gun of the utility model.

[0023] Figure 6 It is a schematic diagram of the explosion structure of the gun body of the electric spray gun of the utility model.

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the inner shell of the electric spray gun of the utility model.

[0025] As shown in the figure: 1. gun head, 101. plug-in part, 102. snap-on groove, 104. positioning groove, 105. second through hole, 2. gun body, 201. plug-in interface, 202. inner shell, 203. outer shell, 204. slot, 205. first through hole, 206. locking pin hole, 3. button, 301. push rod, 4. linkage part, 401. connecting rod, 402. buckle rod, 403. first splicing block, 404. second splicing block, 405. buckle block, 406. buckle hole, 407. card block, 5. elastic locking pin, 501. elastic part, 502. latch. DETAILED DESCRIPTION

[0026] In order to better understand the present application, a more detailed description of various aspects of the present application will be made with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of exemplary embodiments of the present application, and do not limit the scope of the present application in any way. Throughout the specification, the same figure numerals refer to the same elements.

[0027] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for ease of explanation. The drawings are only examples and are not drawn strictly to scale.

[0028] It should also be understood that the terms “comprises,” “including,” “has,” and “contains,” when used in this specification, indicate the presence of the described features, integers, steps, operations, elements, and / or parts, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, and / or combinations thereof.

[0029] like Figures 1 to 7 As shown, the present application discloses an electric spray gun, including a gun head 1 and a gun body 2, wherein the tail of the gun head 1 is provided with a plug-in portion 101, and the head of the gun body 2 is provided with a plug-in interface 201, and the plug-in portion 101 is detachably connected in the plug-in interface 201.

[0030] A buckle position is provided on the side wall of the plug-in portion 101; a button 3 and a linkage member 4 are provided on the head of the gun body 2, the button 3 is linked with the linkage member 4, and a buckle member is provided on the linkage member 4; when the plug-in portion 101 is inserted into the plug port 201, the buckle member is buckled in the buckle position; pressing the button 3 can drive the linkage member 4 to unlock the buckle position.

[0031] The gun body 2 includes an inner shell 202 and an outer shell 203. The outer shell 203 is sleeved outside the inner shell 202. The plug-in port 201 is arranged in the head of the inner shell 202. The button 3 is installed between the outer shell 203 and the inner shell 202 and is exposed outside the outer shell 203. The linkage member 4 includes a connecting rod 401 and a buckle rod 402. Both sides of the button 3 are connected with the connecting rod 401, and the connecting rod 401 and the button 3 are integrally formed. The two ends of the buckle rod 402 are detachably connected to the ends of the connecting rods 401 on both sides away from the button 3. The first splicing blocks 403 are provided at both ends of the buckle rod 402, and the second splicing blocks 404 are provided at both ends of the connecting rod 401. The first splicing block 403 and the second splicing block 404 are connected by snap-fitting, that is, the first splicing block 403 is provided with a buckle block 405, and the second splicing block 404 is provided with a buckle hole 406, and the buckle block 405 can be buckled in the buckle hole 406. The buckle block 405 has inclined surfaces on both sides, which have a guiding function.

[0032] The assembled linkage member 4 embraces the outer side of the inner housing 202, and there is a movable space between the linkage member 4 and the inner housing 202, so that the button 3 can drive the linkage member 4 to move up and down. Slots 204 are provided on both side walls of the inner housing 202, and the ends of the connecting rods 401 on both sides and the connecting parts of the ends of the buckle rods 402 on both sides are plugged into the slots 204 on both sides in a one-to-one correspondence.

[0033] The buckle is provided on the buckle rod 402, and the buckle is a block 407, and the block 407 is formed integrally with the buckle rod 402. A first through hole 205 is provided on the side wall of the inner shell 202, and the block 407 passes through the first through hole 205 and extends into the plug port 201. The buckle position is a buckle groove 102 or a buckle hole matching the block 407, and the block 407 can be buckled in the buckle groove 102 or the buckle hole.

[0034] An elastic locking pin 5 is provided on the side wall of the plug-in portion 101, and a locking pin hole 206 is provided on the side wall of the plug-in port 201; when the plug-in portion 101 is inserted into the plug-in port 201, the elastic locking pin 5 is embedded in the locking pin hole 206; pressing the button 3 can unlock the buckle position and push the elastic locking pin 5 out of the locking pin hole 206.

[0035] The elastic lock pin 5 includes an elastic member 501 and a latch 502, wherein the latch 502 is disposed on the elastic member 501. The elastic member 501 is a "U"-shaped spring sheet, one side of which abuts against the side wall of the flow channel tube in the gun head 1, and the other side of which abuts against the inner wall of the plug-in portion 101; the latch 502 is disposed on the outer side wall of the other side of the spring sheet. A positioning groove 104 is disposed on the side wall of the flow channel tube, and one side of the spring sheet is embedded in the positioning groove 104. A second through hole 105 is disposed on the side wall of the plug-in portion 101, and the end of the latch 502 passes through the second through hole 105 and is exposed outside the side wall of the plug-in portion 101. The button 3 is provided with a push rod 301, the cross-sectional diameter of which is smaller than the diameter of the locking pin hole 206; the push rod 301 can be inserted into the locking pin hole 206 to push the locking pin out of the locking pin hole 206. The installation structure of the button 3 is prior art and will not be described in detail here.

[0036] When a spray gun disclosed in the present application is used, the plug-in part 101 is plugged into the plug interface 201, the elastic locking pin 5 is embedded in the locking pin hole 206, and the clamping block 407 is embedded in the buckle hole. The elastic locking pin 5 and the clamping block 407 lock the plug-in part 101, and the plug-in part 101 cannot be pulled out from the plug interface 201.

[0037] When the button 3 is pressed, the push rod pushes the elastic locking pin 5 out of the locking pin hole 206, and the button 3 drives the linkage part 4 to move downward, thereby driving the card block 407 to exit the buckle hole. At this time, the elastic locking pin 5 and the card block 407 simultaneously unlock the plug-in part 101, and the plug-in part 101 can be pulled out from the plug interface 201.

[0038] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. An electric spray gun, comprising a gun head and a gun body, wherein the tail of the gun head is provided with a plug-in portion, the head of the gun body is provided with a plug-in interface, and the plug-in portion is detachably connected to the plug-in interface; characterized in that: A buckle position is provided on the side wall of the plug-in part; a button and a linkage part are provided on the head of the gun body, the button is linked to the linkage part, and a buckle part is provided on the linkage part; when the plug-in part is inserted into the plug-in port, the buckle part is buckled in the buckle position; pressing the button can drive the linkage part to unlock the buckle position.

2. The electric spray gun according to claim 1, characterized in that: The gun body comprises an inner shell and an outer shell, the outer shell is sleeved outside the inner shell, and the plug interface is arranged in the head of the inner shell; the button is installed between the outer shell and the inner shell and is exposed outside the outer shell; a first through hole is arranged on the side wall of the inner shell, and the buckle extends into the plug interface through the first through hole.

3. The electric spray gun according to claim 2, characterized in that: The two ends of the linkage member are respectively connected to the two sides of the button and the linkage member surrounds the outer side of the inner shell, and a movable space is reserved between the linkage member and the inner shell.

4. The electric spray gun according to claim 3, characterized in that: The linkage member includes a connecting rod and a buckling rod; both sides of the button are connected with connecting rods, and the two ends of the buckling rod are detachably connected to the ends of the connecting rods on both sides away from the button; the buckle is arranged on the buckling rod.

5. The electric spray gun according to claim 4, characterized in that: Slots are provided on both side walls of the inner shell, and the ends of the connecting rods on both sides are plugged into the slots on both sides in a one-to-one correspondence.

6. The electric spray gun according to claim 5, characterized in that: Both ends of the buckle rod are provided with a first splicing block, and both ends of the connecting rod are provided with a second splicing block. The first splicing block and the second splicing block are spliced ​​and connected by buckles.

7. The electric spray gun according to claim 1, characterized in that: The buckle piece is a buckle block, the buckle position is a buckle groove or a buckle hole matching the buckle block, and the buckle block can be buckled in the buckle groove or the buckle hole.

8. The electric spray gun according to any one of claims 1 to 7, characterized in that: An elastic locking pin is provided on the side wall of the plug-in portion, and a locking pin hole is provided on the side wall of the plug-in interface; when the plug-in portion is inserted into the plug-in interface, the elastic locking pin is embedded in the locking pin hole; pressing the button can unlock the buckle position and push the elastic locking pin out of the locking pin hole.

9. The electric spray gun according to claim 8, characterized in that: The elastic lock pin includes an elastic member and a latch, wherein the latch is arranged on the elastic member; a second through hole is arranged on the side wall of the plug-in portion, the elastic member is arranged in the plug-in portion and the end of the latch passes through the second through hole and is exposed outside the side wall of the plug-in portion.

10. The electric spray gun according to claim 9, characterized in that: The elastic member is a "U"-shaped spring sheet, one side of which abuts against the side wall of the flow channel tube in the gun head, and the other side of which abuts against the inner wall of the plug-in portion; the latch is arranged on the outer side wall of the other side of the spring sheet.

11. The electric spray gun according to claim 10, characterized in that: A positioning groove is arranged on the side wall of the flow channel tube, and one side of the spring sheet is embedded in the positioning groove.

12. The electric spray gun according to claim 8, characterized in that: The button is provided with a push rod, the cross-sectional diameter of which is smaller than the aperture of the lock pin hole; the push rod can be inserted into the lock pin hole to push the lock pin out of the lock pin hole.