CN216025667U

CN216025667U - Paint gun convenient to clean

Info

Publication number: CN216025667U
Application number: CN202122371846.4U
Authority: CN
Inventors: 刘东鲨
Original assignee: Shanghai Lvli Tool Industry Co ltd
Current assignee: Shanghai Lvli Tool Industry Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-15
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a paint spray gun convenient to clean, which relates to the technical field of paint spray guns and comprises a gun body, wherein a gun body is arranged at the top end of the gun body, a valve rod is arranged at one side inside the gun body, a valve trigger is arranged at one side of the surface of the gun body, a compressed air interface is arranged at the bottom end of the gun body, an anti-suction tank is arranged at one end of the gun body, a mouth blowing nozzle is arranged at one end, away from the gun body, of the anti-suction tank, a paint spraying tank is arranged at one side of the bottom end of the gun body, a handle is slidably arranged inside the gun body, an inner container is fixed inside the anti-suction tank, an inner threaded groove is formed in the inner wall of the inner container, and a main guide opening is formed in one end inside the inner container And the use convenience of the paint spray gun is enhanced.

Description

Paint gun convenient to clean

Technical Field

The utility model relates to the technical field of paint spray guns, in particular to a paint spray gun convenient to clean.

Background

The spray gun is a tool for spraying paint, is used for surface treatment of products, is one kind of coating equipment, and is characterized by that it uses compressed air to spray the paint on the surface of the coated object in the form of spray, and mainly consists of spray cap, spray nozzle, needle valve and gun body, at the same time the external connection air pressure device.

To the correlation technique among the above-mentioned, the inventor regards the handle of current paint gun to be mostly fixed dimension, and the operator diverse of paint gun, the size of a dimension of operator's hand has great difference, when the size of hand is difficult to match with the handle, this gripping comfort of user is relatively poor, the use flexibility of paint gun has been influenced, the effect of spraying paint has been reduced, and current paint gun is when disconnection air feed atmospheric pressure, spray gun nozzle port department easily produces the suck-back phenomenon, long-time after using, the inside long-pending more waste material of collecting of body of a gun, the life of paint gun has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a paint spray gun convenient to clean, and aims to solve the problems that the paint spray gun is poor in holding comfort, inconvenient to maintain later and prone to accumulating waste materials inside a gun body.

The utility model provides a paint spray gun convenient to clean, which adopts the following technical scheme;

the utility model provides a paint spraying gun convenient to clean, which comprises a gun body, wherein a gun body is installed at the top end of the gun body, a valve rod is installed at one side inside the gun body, a valve trigger is installed at one side of the surface of the gun body, a compressed air interface is installed at the bottom end of the gun body, an anti-suction tank is installed at one end of the gun body, a mouth blowing nozzle is installed at one end, away from the gun body, of the anti-suction tank, a spraying tank is installed at one side of the bottom end of the gun body, a handle is installed in the gun body in a sliding mode, an inner container is fixed in the anti-suction tank, an inner thread groove is formed in the inner wall of the inner container, a main guide hole is formed in one end of the inner container, a fixing piece is fixed in the inner container, an ejector pin is installed in the fixing piece in a sliding mode, an auxiliary guide hole is formed in the fixing piece, a spring is wound on one side of the surface of the ejector pin, a main retaining ring is fixed on one side of the surface of the ejector pin, one side on thimble surface is fixed with vice fender ring, and vice fender ring and the outer wall of stationary blade contact each other, through the spring, the main, vice fender ring and the mutually supporting of thimble prevent that the phenomenon of suck-back paint vehicle from appearing in the body of a gun, avoid the inside paint vehicle that piles up of body of a gun.

Optionally, through holes with equal intervals are formed in one side of the surface of the gun body, the cross section of each through hole is circular, a positioning pin is mounted on the surface of the gun body, the end portion of each positioning pin extends into the gun body, the handle is locked by the aid of the positioning pins, and secondary sliding of the handle in the using process is reduced.

Optionally, be fixed with the guide rail on the inner wall of the rifle body, just the guide rail is provided with two sets ofly, the slidable mounting in surface of guide rail has the slider, just the fixed surface of slider has the connecting seat, and the one end of connecting seat and the one end fixed connection of handle are through the setting of guide rail, slider and connecting seat for the handle is more stable when adjusting position.

Optionally, a connecting block is installed on one side of the bottom end of the gun body, a guide pipe is installed inside the connecting block, an external thread groove is formed in the outer peripheral surface of the connecting block, and paint in the spraying tank is sent into the gun body through the guide pipe and sprayed out through the blowing nozzle.

Optionally, the central point department of putting on spouting material jar top is fixed with female connection head, just the internal thread has been seted up on female connection head's the inner wall, female connection head and connecting block threaded connection through female connection head, connecting block's setting, the staff of being convenient for dismantles spouting the material jar, can spout the cleaning work of material jar fast.

Optionally, a positioning hole is formed in one side of the surface of the connecting seat, the positioning hole is in threaded fit with the end portion of the positioning pin, and after the positioning pin is driven into the positioning hole, the connecting seat can be locked, so that the positioning work of the handle is completed.

Optionally, the handle adopts aluminum alloy material, and the handle quality that adopts aluminum alloy material is lighter, can hold the spray gun for a long time.

In summary, the utility model includes at least one of the following advantages:

the fixing limit of the positioning pin on the connecting seat and the gun body is firstly released by arranging a structure for removing the matching of the positioning pin, the connecting seat, the sliding block and the like, so that the connecting seat and the sliding block can be driven by the handle to slide up and down on the guide rail, the motion stability of the handle is improved by utilizing the guide rail, and after the position of the handle meets the holding requirement of a user, the connecting seat and the gun body can be locked by utilizing the positioning pin again, so that a worker can conveniently operate the paint spraying gun to spray paint, and the paint spraying quality is improved;

through the matched structure of the anti-suction tank, the spring, the thimble and the thimble, when compressed air disappears from the anti-suction tank and the gun body, the spring loses the blocking of the compressed air, the spring pushes the main baffle ring, the thimble and the auxiliary baffle ring to integrally move right, and at the moment, the main guide opening and the auxiliary guide opening are in a closed state;

through being provided with the mouthpiece nozzle, the internal thread groove, spout complex structures such as material jar and female connection head, rotate the mouthpiece nozzle, make the tip of mouthpiece nozzle no longer with the internal thread groove fit, accomplish the dismantlement work of mouthpiece nozzle promptly, manual rotation spouts the material jar, make female connection head and connecting block separation, can pack again the material jar of spouting this moment, operations such as washing, the staff of being convenient for clears up, maintains the relevant part of spray gun, the use convenience of reinforcing spray gun.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the anti-suck tank and the gun body of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

description of reference numerals: 1. a gun body; 101. a compressed air interface; 102. a through hole; 103. positioning pins; 2. a gun body; 3. a valve trigger; 4. spraying the material tank; 401. an internal thread connector; 5. an anti-suction tank; 6. a mouthpiece nozzle; 7. connecting blocks; 8. a conduit; 9. a valve stem; 10. an inner container; 11. a main guide through hole; 12. a thimble; 13. a primary retainer ring; 14. a spring; 15. a fixing sheet; 16. a secondary conduction port; 17. an auxiliary baffle ring; 18. an internal thread groove; 19. a guide rail; 20. a slider; 21. a connecting seat; 2101. positioning holes; 22. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model is described in further detail below with reference to figures 1-4.

The utility model discloses a paint spraying gun convenient to clean, and the paint spraying gun comprises a gun body 1, wherein a gun body 2 is installed at the top end of the gun body 1, a valve rod 9 is installed at one side inside the gun body 2, a valve trigger 3 is installed at one side of the surface of the gun body 2, the on-off of the paint spraying gun is controlled by pulling the valve trigger 3, a compressed air interface 101 is installed at the bottom end of the gun body 1, the compressed air interface 101 is connected with external air supply equipment, an anti-suction tank 5 is installed at one end of the gun body 2, a blow-off nozzle 6 is installed at one end, far away from the gun body 2, of the anti-suction tank 5, a paint spraying tank 4 is installed at one side of the bottom end of the gun body 2, the cross section of the paint spraying tank 4 is rectangular, the paint is mainly stored in the paint spraying tank 4, an internal thread connector 401 is fixed at the central position of the top end of the paint spraying tank 4, an internal thread connector 401 is arranged on the inner wall of the internal thread connector 401, the internal thread connector 401 is in threaded connection with a connecting block 7, through connecting block 7 and female connection head 401's setting, convenient to use person is dismantled material spraying tank 4.

Referring to fig. 1 and 2, when needs pack in to spouting material jar 4, manual rotation spouts material jar 4 for female connection head 401 with connecting block 7 separation can, thereby can pack again spouting material jar 4, the staff of being convenient for carries out clearance, the maintenance of relevant part, reinforcing spray gun's use convenience.

Referring to fig. 1, the inside slidable mounting of the gun body 1 has a handle 22, the handle 22 is made of aluminum alloy, the weight of the handle 22 made of aluminum alloy is light, the operation requirement of the user for spraying paint for a long time can be met, and the user can adjust the position of the handle 22 on the gun body 1 according to the hand size and the holding habit.

Referring to fig. 2, a connecting block 7 is installed on one side of the bottom end of the gun body 2, an external thread groove is formed in the outer peripheral surface of the connecting block 7, a guide pipe 8 is installed inside the connecting block 7, and the guide pipe 8 is inserted into the spraying tank 4 and mainly plays a role in paint supply.

Referring to fig. 1 and 3, equidistant through-hole 102 has been seted up to one side on rifle body 1 surface, and the cross-section of through-hole 102 is circular, the surface mounting of rifle body 1 has locating pin 103, the tip of locating pin 103 extends to the inside of rifle body 1, the diameter of locating pin 103 is less than the diameter of through-hole 102, the inside of preventing inhaling jar 5 is fixed with inner bag 10, inner thread groove 18 has been seted up on the inner wall of inner bag 10, through set up inner thread groove 18 on inner bag 10, the staff of being convenient for dismantles mouthpiece nozzle 6, change, can carry out the maintenance work in later stage fast.

Referring to fig. 3, the mouthpiece nozzle 6 can be rotated so that the mouthpiece nozzle 6 is separated from the internal thread groove 18 in the liner 10, and the mouthpiece nozzle 6 can be replaced and cleaned.

Referring to fig. 3, a main through hole 11 is opened at one end inside the inner container 10, the main through hole 11 serves as a flow passage of the atomized paint, a fixing piece 15 is fixed inside the inner container 10, an ejector pin 12 is slidably mounted inside the fixing piece 15, two ends of the ejector pin 12 are round-headed, an auxiliary through hole 16 is opened inside the fixing piece 15, and the auxiliary through hole 16 serves as a second flow passage of the atomized paint.

Referring to fig. 3, a spring 14 is wound on one side of the surface of the thimble 12, when the thrust of the introduced compressed air is greater than the elastic force of the spring 14, the spring 14 is in a compressed state, a main retaining ring 13 is fixed on one side of the surface of the thimble 12, when the main retaining ring 13 is at an initial position, the main guiding opening 11 is in a closed state by the main retaining ring 13, an auxiliary retaining ring 17 is fixed on one side of the surface of the thimble 12, the auxiliary retaining ring 17 is in contact with the outer wall of the fixing piece 15, after the auxiliary retaining ring 17 is in contact with the outer wall of the fixing piece 15, the auxiliary guiding opening 16 is in a closed state, the paint on-off of the gun body 2 is controlled by the auxiliary retaining ring 17 and the main retaining ring 13, and the phenomenon of reverse suction of the gun body 2 can be prevented.

Referring to fig. 3, after the high-pressure gas disappears, the spring 14 loses the blocking of the external force, and at this time, the spring 14 pushes the main stop ring 13, the thimble 12 and the auxiliary stop ring 17 to move to the right integrally, that is, the main guide opening 11 is in a closed state, so that the phenomenon of suck-back of paint is avoided by using the one-way principle, the paint accumulation amount in the gun body 2 is reduced, and the service life of the paint spraying gun is prolonged.

Referring to fig. 4, be fixed with guide rail 19 on the inner wall of rifle body 1, and guide rail 19 is provided with two sets ofly, the surface slidable mounting of guide rail 19 has slider 20, the one end of slider 20 extends to the outside of rifle body 1, play spacing and the effect of direction through guide rail 19 to the slip of slider 20, and the surface mounting of slider 20 has connecting seat 21, the one end of connecting seat 21 and the one end fixed connection of handle 22, staff's accessible sliding handle 22, make handle 22 drive connecting seat 21 together and slide from top to bottom, and utilize guide rail 19 and slider 20 to improve the motion stability of handle 22.

Referring to fig. 4, a positioning hole 2101 is formed on one side of the surface of the connecting base 21, the positioning hole 2101 is in threaded fit with the end of the positioning pin 103, after the positioning pin 103 is driven into the positioning hole 2101, the positions of the connecting base 21 and the handle 22 are determined, and the positioning pin 103 and the positioning hole 2101 cannot be moved again, so that a worker can take out the positioning pin 103 from the positioning hole 2101 and the through hole 102, thereby releasing the fixed limit between the gun body 1 and the connecting base 21.

Referring to fig. 4, the handle 22 is manually slid, so that the handle 22 drives the slider 20 to slide on the guide rail 19, and after the position of the handle 22 is adjusted, the positioning pin 103 is screwed into the positioning hole 2101 again, thereby meeting the holding requirements of different users.

The utility model relates to a paint spray gun convenient to clean, which has the implementation principle that: firstly, a worker can take out the positioning pin 103 from the positioning hole 2101 and the through hole 102, so as to remove the fixed limit of the gun body 1 and the connecting seat 21, then adjust the position of the handle 22 on the gun body 1 according to the hand size and the holding habit of the user, namely manually slide the handle 22, so that the handle 22 drives the slider 20 to slide on the guide rail 19, after the position adjustment of the handle 22 is finished, the positioning pin 103 is screwed into the positioning hole 2101 again, so as to meet the holding requirements of different users, so that the worker is more comfortable and flexible in operation, the paint spraying quality is improved, when the worker pulls the valve trigger 3, high-pressure gas and carried paint firstly pass through the main guide hole 11 and impact the main baffle ring 13 and the ejector pin 12 to move to the left, at the moment, the spring 14 is in a compressed state, namely the ejector pin 12 drives the auxiliary baffle ring 17 to move to the left together, at the moment, the auxiliary baffle ring 17 and the auxiliary guide hole 16 are both in an open state, namely, the atomized paint is sprayed to the workpiece through the auxiliary conduction opening 16 and the mouthpiece nozzle 6, when the high-pressure gas disappears, the spring 14 loses the resistance of the external force, at this time, the spring 14 pushes the main retaining ring 13, the thimble 12 and the auxiliary retaining ring 17 to move rightwards integrally, that is, the main guide port 11 is in a closed state, so that the phenomenon of back suction of paint is avoided by utilizing the one-way principle, the paint accumulation amount in the gun body 2 is reduced, the service life of the paint spraying gun is prolonged, the blow-off nozzle 6 can be rotated by a worker, the blow-off nozzle 6 is separated from the internal thread groove 18 in the inner container 10, the nozzle 6 of the blowing opening can be replaced and cleaned, when the material spraying tank 4 needs to be filled, the material spraying tank 4 is manually rotated, so that the internal thread connector 401 is separated from the connecting block 7, thereby can be to spouting material jar 4 repacking, the staff of being convenient for carries out clearance, the maintenance of relevant part, the use convenience of reinforcing spray gun.

The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a spray gun convenient to wash, includes the rifle body (1), its characterized in that: the gun is characterized in that a gun body (2) is installed at the top end of the gun body (1), a valve rod (9) is installed on one side inside the gun body (2), a valve trigger (3) is installed on one side of the surface of the gun body (2), a compressed air interface (101) is installed at the bottom end of the gun body (1), a suction prevention tank (5) is installed at one end of the gun body (2), a mouth blowing nozzle (6) is installed at one end, away from the gun body (2), of the suction prevention tank (5), a spraying tank (4) is installed at one side of the bottom end of the gun body (2), a handle (22) is installed inside the gun body (1) in a sliding mode, an inner container (10) is fixed inside the suction prevention tank (5), an inner thread groove (18) is formed in the inner wall of the inner container (10), a main through hole (11) is formed in one end inside the inner container (10), and a fixing piece (15) is fixed inside the inner container (10), and the inside slidable mounting of stationary blade (15) has thimble (12), vice conduction mouth (16) have been seted up to the inside of stationary blade (15), the winding of one side on thimble (12) surface has spring (14), one side on thimble (12) surface is fixed with main fender ring (13), one side on thimble (12) surface is fixed with vice fender ring (17), and vice fender ring (17) and the outer wall of stationary blade (15) contact each other.

2. The easy-to-clean paint spray gun of claim 1, further comprising: equidistant through-hole (102) are seted up to one side on rifle body (1) surface, just the cross-section of through-hole (102) is circular, the surface mounting of rifle body (1) has locating pin (103), and the tip of locating pin (103) extends to the inside of rifle body (1).

3. The easy-to-clean paint spray gun of claim 1, further comprising: the improved gun is characterized in that guide rails (19) are fixed on the inner wall of the gun body (1), two groups of guide rails (19) are arranged, a sliding block (20) is slidably mounted on the surface of each guide rail (19), a connecting seat (21) is fixed on the surface of each sliding block (20), and one end of each connecting seat (21) is fixedly connected with one end of a handle (22).

4. The easy-to-clean paint spray gun of claim 1, further comprising: connecting block (7) are installed to one side of body of a gun (2) bottom, just the internally mounted of connecting block (7) has pipe (8), the outer peripheral face of connecting block (7) is provided with the external screw thread groove.

5. The easy-to-clean paint spray gun of claim 1, further comprising: spout the central point on material jar (4) top and put the department and be fixed with female connection head (401), just the internal thread has been seted up on the inner wall of female connection head (401), female connection head (401) and connecting block (7) threaded connection.

6. A paint spray gun as claimed in claim 3, wherein: a positioning hole (2101) is formed in one side of the surface of the connecting seat (21), and the positioning hole (2101) is in threaded fit with the end of the positioning pin (103).

7. The easy-to-clean paint spray gun of claim 1, further comprising: the handle (22) is made of aluminum alloy.