HVLP spray gun capable of being quickly disassembled and assembled

Abstract

The utility model discloses an HVLP spray gun of quick dismouting relates to HVLP spray gun field, including casing, buckle cover, buckle and gun body subassembly, casing front end and gun body subassembly pluggable connection, the left side and right side of gun body subassembly both extend outwards to form flange, flange inner cavity forms the buckle installation groove, be used for placing the buckle, the buckle cover is equipped with the buckle. The buckle cover covers the buckle and is locked and fixed with the flange; notches are formed in the positions, corresponding to the flanges, of the two sides of the machine shell, blocking edges are arranged on the inner walls of the notches, the buckles are supported in the buckle mounting grooves in a pressing mode through reset springs, lock tongues are arranged on the sides, facing the notches, of the buckles, and the lock tongues penetrate out of the flanges and are clamped on the blocking edges, so that the machine shell is locked relative to the gun body assembly; when the buckle is pressed, the spring bolt is separated from the blocking edge, and the machine shell is separated relative to the gun body assembly. The gun body assembly and the shell are quickly mounted and dismounted through the buckle, so that the gun is more convenient and flexible to use, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the field of HVLP spray guns, in particular to a quickly disassembled HVLP spray gun. Background Art

[0002] HVLP (High Volume Low Pressure) spray systems generate low-pressure, high-volume air flow to apply fluid sprays such as paint, water, oil, stains, finishes, coatings, solvents and solutions to the desired surface. Existing HVLP spray guns are usually assembled from a gun body assembly and a main machine, but the installation and removal process between the gun body assembly and the main machine is not fast and flexible enough, and usually requires two actions of rotation and push and pull for installation and removal, which is cumbersome and does not provide a good user experience. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a quick-disassembly HVLP spray gun, so that the spray gun can be quickly disassembled and assembled, thereby improving the use efficiency.

[0004] The purpose of the utility model is to achieve the following technical solutions: the HVLP spray gun with quick disassembly and assembly comprises a casing, a buckle cover, a buckle and a gun body assembly, the front end of the casing is pluggably connected to the gun body assembly, the left and right sides of the gun body assembly both extend outward to form a flange, the inner cavity of the flange forms a buckle installation groove for inserting the buckle, the buckle cover covers the buckle and is locked and fixed with the flange; notches are provided at positions corresponding to the flange on both sides of the casing, a blocking edge is provided on the inner wall of the notch, the buckle is supported in the buckle installation groove in a pressable manner by a reset spring, a locking tongue is provided on the side of the buckle facing the notch, the locking tongue passes through the flange and is stuck on the blocking edge, so that the casing is locked relative to the gun body assembly; when the buckle is pressed, the locking tongue is separated from the blocking edge, so that the casing is separated relative to the gun body assembly.

[0005] As a further technical solution, a slot is provided on the inner wall of the notch, a blocking edge is provided at the end of the slot, and the locking tongue extends into the slot for positioning after passing through the notch.

[0006] As a further technical solution, a positioning groove is provided in the casing above the notch to cooperate with a positioning protrusion provided on the top of the gun body assembly. When the gun body assembly is inserted into the casing, the positioning protrusion is naturally inserted into the positioning groove.

[0007] As a further technical solution, the casing is formed by buckling together a right casing and a left casing, and a dust cover is installed at one end of the casing away from the gun body assembly.

[0008] As a further technical solution, a groove is provided on the inner wall of the flange for cooperating with a protrusion provided on the back of the snap cover to achieve a slot-type fit. Fixing holes are provided on both the snap cover and the flange, and the snap cover is fixed to the flange by a locking screw.

[0009] As a further technical solution, a spring positioning column is provided in the buckle installation groove for positioning and installing a reset spring.

[0010] As a further technical solution, a button hole is formed through the buckle cover, a button is arranged on the buckle, and the button extends out of the button hole for pressing; the button is fixed to the lock tongue, a spring hole is formed on the back of the button for installing a reset spring, and a spring positioning seat is formed at the bottom of the spring hole for positioning the reset spring.

[0011] As a further technical solution, the lower part of the gun body assembly is connected to a material pot.

[0012] The beneficial effects of the utility model are:

[0013] 1. The gun body assembly and the shell can be quickly installed and disassembled through buckles, which is more convenient and flexible to use and improves the user experience;

[0014] 2. The locking tongue of the buckle automatically locks against the blocking edge and is disengaged from the blocking edge by pressing a button, thereby realizing the connection or separation of the gun body assembly and the shell, so that there is no need for rotation, pushing or pulling during loading and unloading, and it can be completed by plugging and unplugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structural explosion of the utility model.

[0016] Figure 2 It is a schematic diagram of the assembly structure of the gun body component and the shell in the utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the utility model after assembly.

[0018] Figure 4 It is a structural schematic diagram of the left casing in the utility model.

[0019] Figure 5 It is a structural schematic diagram of the gun body assembly in the utility model.

[0020] Figure 6 It is a schematic diagram of the structure of the gun body component and the snap cover after being assembled in the utility model.

[0021] Figure 7 It is a schematic diagram of the structure of the gun body component, the buckle cover and the buckle after being assembled in the utility model.

[0022] Figure 8 It is a structural schematic diagram of the buckle in the utility model.

[0023] Fig. 9 The structure of the buckle cover in the utility model is shown in FIG. Figure 1 .

[0024] Fig.10 The structure of the buckle cover in the utility model is shown in FIG. Figure 2 .

[0025] Fig.11 The assembly structure of the buckle and the buckle cover in the utility model is shown in FIG. Figure 1 .

[0026] Fig.12 The assembly structure of the buckle and the buckle cover in the utility model is shown in FIG. Figure 2 .

[0027] Explanation of the accompanying drawings: dust cover 1, casing 2, right casing 2a, left casing 2b, notch 21, slot 22, blocking edge 23, positioning slot 24, locking screw 3, buckle cover 4, button hole 41, fixing hole 42, protrusion 43, buckle 5, button 51, locking tongue 52, spring hole 53, spring positioning seat 54, return spring 6, gun body assembly 7, flange 71, buckle mounting slot 72, groove 73, spring positioning column 74, positioning protrusion 75, material pot 8. DETAILED DESCRIPTION

[0028] The utility model will be described in detail below with reference to the accompanying drawings:

[0029] Example: As attached Figures 1 to 12 As shown, the quick-disassembly HVLP spray gun includes a dust cover 1, a housing 2, a right housing 2a, a left housing 2b, a notch 21, a slot 22, a blocking edge 23, a positioning slot 24, a locking screw 3, a buckle cover 4, a button hole 41, a fixing hole 42, a protrusion 43, a buckle 5, a button 51, a locking tongue 52, a spring hole 53, a spring positioning seat 54, a return spring 6, a gun body assembly 7, a flange 71, a buckle mounting slot 72, a groove 73, a spring positioning column 74, a positioning protrusion 75 and a material pot 8.

[0030] Reference Figure 1 , 2 3. The housing 2 is formed by buckling the right housing 2a and the left housing 2b. The dust cover 1 is installed at the rear end of the housing 2 (the end away from the gun body assembly 7). The front end of the housing 2 is connected to the gun body assembly 7 in a pluggable manner. The left and right sides of the gun body assembly 7 extend outward to form flanges 71. Figure 5 , 6 As shown in , 7 , the inner cavity of the flange 71 forms a buckle installation groove 72 , the buckle 5 is inserted into the buckle installation groove 72 , and the buckle cover 4 covers the buckle 5 and is locked and fixed with the flange 71 .

[0031] like Figures 8 to 12As shown, a groove 73 is provided on the inner wall of the flange 71, and the groove 73 can cooperate with the protrusion 43 set on the back of the snap cover 4 to achieve a snap-in type fit. The snap cover 4 and the flange 71 are both provided with a fixing hole 42. After the snap cover 4 and the flange 71 are assembled, the snap cover 4 and the flange 71 are locked and fixed by the locking screw 3. Further, a spring positioning column 74 is provided at the center of the snap installation groove 72, and one end of the reset spring 6 is sleeved on the spring positioning column 74. The snap 5 is connected by a button 51 and a lock tongue 52. A button hole 41 is provided through the center of the snap cover 4, and the button 51 extends from the button hole 41 to the snap cover 4 (snap installation groove 72) for pressing. A spring hole 53 is provided on the back of the button 51, and a spring positioning seat 54 is provided at the bottom of the spring hole 53. The other end of the reset spring 6 extends into the spring hole 53 and is positioned on the spring positioning seat 54.

[0032] Reference Figure 1 , 4 A notch 21 is provided at both sides of the housing 2 at positions corresponding to the flange 71, and a slot 22 is provided inwardly on the inner wall of each notch 21, and a blocking edge 23 is provided at the end of the slot 22. When the housing 2 is assembled with the gun body assembly 7, the locking tongue 52 passes through the flange 71, passes through the notch 21 and extends into the slot 22 for positioning, and finally is locked against the blocking edge 23, so that the housing 2 is locked relative to the gun body assembly 7. When the buckle 5 (button 51) is pressed, the return spring 6 is compressed, and the locking tongue 52 moves toward a direction closer to the inner wall of the gun body assembly 7, and then disengages from the blocking edge 23, so that the locking tongue 52 can be pulled out from the slot 22 (notch 21), and the housing 2 is then separated from the gun body assembly 7.

[0033] Preferably, if Figure 4 , 5 As shown, a positioning groove 24 is provided in the housing 2 above the notch 21, which can cooperate with the positioning protrusion 75 provided on the top of the gun body assembly 7. When the gun body assembly 7 is inserted into the housing 2, the positioning protrusion 75 is inserted into the positioning groove 24 to play a role in positioning and guiding. Figure 1 , 2 As shown in 3, a material pot 8 is connected to the lower part of the gun body assembly 7.

[0034] The working process of the utility model is as follows: when the housing 2 is assembled with the gun body assembly 7, the locking tongue 52 first passes through the notch 21, then extends into the card slot 22 for positioning, and finally passes over the blocking edge 23 under the action of the inclined surface of the head of the locking tongue 52, and hooks on the blocking edge 23. At this time, the reset spring 6 is in an extended state, and can push up the button 51, so that the housing 2 is locked relative to the gun body assembly 7 and will not be disengaged. When the buckles 5 (buttons 51) on the left and right sides are pressed, the corresponding reset spring 6 is compressed, and the locking tongue 52 moves in a direction closer to the inner wall of the gun body assembly 7, and then disengages from the blocking edge 23, so that the locking tongue 52 can be pulled out from the card slot 22 (notch 21), and the housing 2 is then separated from the gun body assembly 7 to achieve disassembly.

[0035] It is understandable that, for those skilled in the art, any equivalent replacement or change to the technical solution and the concept of the utility model should fall within the protection scope of the claims attached to the utility model.

Claims

1. A quick-disassembly HVLP spray gun, characterized by: The invention comprises a housing (2), a buckle cover (4), a buckle (5) and a gun body assembly (7); the front end of the housing (2) is pluggably connected to the gun body assembly (7); the left and right sides of the gun body assembly (7) extend outward to form flanges (71); the inner cavity of the flange (71) forms a buckle installation groove (72) for inserting the buckle (5); the buckle cover (4) covers the buckle (5) and is locked and fixed with the flange (71); notches (21) are provided at positions corresponding to the flanges (71) on both sides of the housing (2); ), a blocking edge (23) is arranged on the inner wall of the notch (21), the buckle (5) is supported in the buckle installation groove (72) by being pressed by a return spring (6), a locking tongue (52) is arranged on the side of the buckle (5) facing the notch (21), the locking tongue (52) passes through the flange (71) and is locked on the blocking edge (23), so that the housing (2) is locked relative to the gun body assembly (7); when the buckle (5) is pressed, the locking tongue (52) is separated from the blocking edge (23), so that the housing (2) is separated relative to the gun body assembly (7).

2. The quick-disassembly HVLP spray gun according to claim 1, characterized in that: A clamping groove (22) is provided on the inner wall of the notch (21), a blocking edge (23) is provided at the end of the clamping groove (22), and the locking tongue (52) extends into the clamping groove (22) for positioning after passing through the notch (21).

3. The quick-disassembly HVLP spray gun according to claim 1, characterized in that: A positioning groove (24) is provided in the casing (2) above the notch (21) for cooperating with a positioning protrusion (75) provided on the top of the gun body assembly (7); when the gun body assembly (7) is inserted into the casing (2), the positioning protrusion (75) is inserted into the positioning groove (24).

4. The quick-disassembly HVLP spray gun according to claim 1, characterized in that: The housing (2) is formed by buckling together a right housing (2a) and a left housing (2b), and a dust cover (1) is installed at one end of the housing (2) away from the gun body assembly (7).

5. The quick-disassembly HVLP spray gun according to claim 1, characterized in that: A groove (73) is provided on the inner wall of the flange (71) for matching with a protrusion (43) provided on the back of the snap cover (4) to achieve a snap-on fit. Fixing holes (42) are provided on both the snap cover (4) and the flange (71), and the snap cover (4) is fixed to the flange (71) by means of a locking screw (3).

6. The quick-disassembly HVLP spray gun according to claim 1, characterized in that: A spring positioning column (74) is arranged in the buckle installation groove (72) for positioning and installing a reset spring (6).

7. The quick-disassembly HVLP spray gun according to claim 1, characterized in that: The buckle cover (4) is provided with a button hole (41), the buckle (5) is provided with a button (51), and the button (51) extends out of the button hole (41) for pressing; the button (51) is fixed to the lock tongue (52), a spring hole (53) is provided on the back of the button (51) for installing a reset spring (6), and a spring positioning seat (54) is provided at the bottom of the spring hole (53) for positioning the reset spring (6).

8. The quick-disassembly HVLP spray gun according to claim 1, characterized in that: The lower part of the gun body assembly (7) is connected to a material pot (8).

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