CN210994951U

CN210994951U - Novel spray gun special for spraying

Info

Publication number: CN210994951U
Application number: CN201920887127.8U
Authority: CN
Inventors: 李飞宇; 仇国亮; 邓坚; 洪志高; 袁勇军
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-07-14
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a novel spray special spray gun, the structure of which comprises a gun body, an atomizing nozzle, an air pipe opening, a gun barrel, a paint pipe, a top cover, a paint cup, a trigger, a push rod, an air cavity and a varnish device, in order to solve the problems that when the existing spray gun is screwed out of the paint cup to change paint, the outer wall of the paint pipe on the spray gun is usually stained with more residual paint liquid, so that paint dripping leakage can occur to influence the environment and cause waste when the paint is changed, the varnish device is arranged on the top cover, after the paint is changed and screwed out of the top cover, force is applied to a brush disc through a finger groove, the pull wire on a connector is moved down along the paint pipe through a through hole, the pull wire on the connector is pulled out on a rolling device, the brush disc extrudes and scrapes the paint outside the paint pipe through a lengthening pipe, the paint pipe flows into the paint cup downwards along the paint pipe, the force is cancelled after finishing, the pull wire is pulled by the rolling device to drive the brush disc to reset, the paint can fall into the paint cup, thereby avoiding environmental pollution and saving raw materials.

Description

Novel spray gun special for spraying

Technical Field

The utility model relates to a spraying equipment technical field, concretely relates to novel special spray gun of spraying.

Background

The spray gun is the most important device in the step of spraying paint, when in use, the spray gun is connected with an air pump through an external air pipe, so that the spray gun generates compressed air in the spray gun through the air pump, the paint in a paint cup is sucked out and atomized and sprayed through an atomizing nozzle, the operation skill is simple, workers can easily master the spray gun, the spraying efficiency is improved, but when the existing spray gun rotates out of the paint cup to change the paint, the outer wall of an upper paint pipe of the existing spray gun is usually stained with more residual paint liquid, so that the paint leakage can occur during paint change to influence the environment and cause waste.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, present a novel special spray gun of spraying, solved current spray gun when unscrewing the paint cup and trade lacquer, the pipe outer wall that coats with lacquer on it is stained with more paint raffinate usually, leads to can take place paint to drip when trading lacquer and leak the problem that influences the environment and cause the waste, reaches convenient when trading lacquer to scrape down the paint of pipe outer wall that coats with lacquer, makes it fall into the paint cup, avoids polluting the environment and the advantage of material saving.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a novel spray gun special for spraying, which comprises a gun body, an atomizing nozzle, an air pipe orifice, a gun barrel, a paint pipe, a top cover, a paint cup, a trigger, a push rod, an air switch spring, an air cavity and a varnish device, wherein the atomizing nozzle is fixedly arranged at the left end of the gun body, the bottom end of the gun body is provided with the air pipe orifice, the left end of the gun barrel is spliced with the atomizing nozzle after passing through the gun body, the top end of the paint pipe is fixedly connected with the air pipe orifice after passing through the gun body, the middle part of the outer side of the paint pipe is welded with the top cover, the bottom end of the top cover is in threaded connection with the paint cup, the top of the trigger is rotationally connected with the gun body, the right end of the trigger is fixedly provided with the push rod, the middle part of the bottom side of the top cover is in bolted connection with the varnish device, the varnish device consists, both ends are provided with outstanding connector about brush dish top side, the inside cavity that transversely runs through of connector is provided with, it is fixed with the connector winding through the cavity to act as go-between the bottom to act as go-between top fixed mounting is on the roll-up device, roll-up device top welds with the take-up, both ends are run through around the take-up top side and are provided with and are used for connecting fixed screw, brush dish and take-up middle part are provided with the through-hole, both ends are provided with the finger groove that is used for the application of force about the brush dish, the extension pipe top is fixed with the brush dish through moulding plastics integrative mode, the extension pipe outside is provided with the lasso, the take-up top is through.

Further, the winding device comprises a shell, a winding rod, an axle column and a coil spring, wherein the winding rod is rotatably installed inside the shell, the axle column protruding transversely is arranged on the right side of the inner wall of the shell, the center of the coil spring is fixedly installed on the axle column, the top end of the coil spring is fixedly connected with the inner wall of the winding rod, and the outer side of the winding rod is bonded with a pull wire through super glue.

Furthermore, a corresponding circular channel is arranged at the joint of the bottom end of the shell and the stay wire, and the inner wall of the circular channel is a smooth surface.

Further, the middle part of the brush disc is connected with the paint pipe in a sliding mode through a through hole, and the middle part of the top disc is connected with the paint pipe in an inserting mode through the through hole.

Furthermore, the size of the outer diameter of the bottom end of the lengthened pipe is reduced from top to bottom, and the gap distance between the inner wall of the lengthened pipe and the outer wall of the paint pipe is 0.5 MM.

Furthermore, the right end of the shaft post is fixedly arranged at the center of the connecting surface of the winding rod and the shell, and the length of the shaft post is one third of that of the winding rod.

Furthermore, the size of the inner side structure of the through hole is consistent with that of the outer side structure of the paint pipe, and the friction coefficient of the surface of the inner wall of the through hole is 0.3.

Furthermore, the right end of the push rod penetrates through the gun body and is fixedly connected with an air switch spring, so

The right end of the gun barrel penetrates through the gun body and then is inserted into the ventilation cavity.

Furthermore, the top disk is made of ABS plastic.

Furthermore, the coil spring is made of stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) in order to solve the problems that when the existing spray gun is screwed out of a paint cup to change paint, the outer wall of an upper paint pipe is usually stained with more residual paint liquid, so that paint dripping can occur during paint changing, the environment is influenced, and waste is caused, the varnish device is arranged on a top cover, after the top cover is screwed out of the paint changing, the brush disc is propped against the brush disc through a finger groove, force is applied to the brush disc, the brush disc moves downwards along the paint pipe through a through hole, a pull wire on a connector is pulled out on a winding device along with the pull wire, the brush disc extrudes and scrapes paint outside the paint pipe through the bottom end of the extension pipe, the paint flows into a paint cup downwards along the paint pipe, after finishing, the force is cancelled, the winding device pulls the pull wire to drive the brush disc to reset, the paint on the outer wall of the paint pipe is conveniently scraped during paint changing, the paint falls into the paint cup, the advantages of environmental pollution and raw material saving are avoided, and the, when making and act as go-between atress extension on the brush dish, make it drive the roll-up pole and rotate in the casing to make the coil spring shrink thereupon, after the pulling force of acting as go-between disappears, just the roll-up pole resets through the resilience force of coil spring and rotates, rolls up the acting as go-between, reaches after the varnish, convenient resets the brush dish and places, improves the advantage of convenience in use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the gun body of the present invention;

FIG. 3 is a schematic structural view of a varnishing apparatus according to the present invention;

FIG. 4 is a schematic view of the structure of zone A of the present invention;

fig. 5 is a schematic structural view of the furling device of the present invention.

In the figure: gun body-1, atomizing nozzle-2, trachea mouth-3, gun barrel-4, lacquer pipe-5, top cover-6, lacquer cup-7, trigger-8, push rod-9, air switch spring-10, vent cavity-11, varnish device-12, brush disc-1201, connector-1202, cavity-1203, pull wire-1204, furling device-1205, top disc-1206, screw-1207, through hole-1208, finger groove-1209, lengthened pipe-1210, ferrule-1211, shell-12051, furling rod-12052, shaft column-12053 and coil spring-12054.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a novel spray gun for spraying: comprises a gun body 1, an atomizing nozzle 2, an air pipe opening 3, a gun barrel 4, a paint pipe 5, a top cover 6, a paint cup 7, a trigger 8, a push rod 9, an air switch spring 10, an air vent cavity 11 and a varnish device 12, wherein the atomizing nozzle 2 is fixedly arranged at the left end of the gun body 1, the air pipe opening 3 is arranged at the bottom end of the gun body, the left end of the gun barrel 4 penetrates through the gun body 1 and then is spliced with the atomizing nozzle 2, the top end of the paint pipe 5 penetrates through the gun body 1 and then is fixedly connected with the air pipe opening 3, the middle part of the outer side of the paint pipe 5 is welded with the top cover 6, the bottom end of the top cover 6 is in threaded connection with the paint cup 7, the top of the trigger 8 is rotatably connected with the gun body 1, the push rod 9 is fixedly arranged at the right end of the trigger 8, the middle part of the bottom side of the top cover 6 is in bolted connection with the varnish device 12, the varnish device 12 consists of, both ends are provided with outstanding connector 1202 about brush dish 1201 top side, the inside cavity 1203 that transversely runs through of connector 1202 is provided with, it is fixed with the winding of connector 1202 through cavity 1203 to act as go-between 1204 bottom, and act as go-between 1204 top fixed mounting is on furling device 1205, furling device 1205 top welds with top plate 1206, both ends run through around the top plate 1206 top side and are provided with and are used for connecting fixed screw 1207, brush dish 1201 and top plate 1206 middle part are provided with through-hole 1208, both ends are provided with finger groove 1209 that is used for the application of force about brush dish 1201, elongated tube 1210 top is fixed with brush dish 1201 through moulding plastics integrative mode, the elongated tube 1210 outside is provided with lasso 1211, top plate 1206 top is through screw 1207 and top cap 6 bolt fastening.

The winding device 1205 comprises a casing 12051, a winding rod 12052, an axial column 12053 and a coil spring 12054, the winding rod 12052 is rotatably installed inside the casing 12051, the right side of the inner wall of the casing 12051 is provided with the axial column 12053 protruding transversely, the center of the coil spring 12054 is fixedly installed on the axial column 12053, the top end of the coil spring 12054 is fixedly connected with the inner wall of the winding rod 12052, the outer side of the winding rod 12052 is bonded with a pull wire 1204 through a strong adhesive, so that the brush plate 1201 is reset and forced conveniently, and convenience is improved.

The connecting part of the bottom end of the shell 12051 and the pull wire 1204 is provided with a corresponding circular channel, the inner wall of the circular channel is a smooth surface, a stretching space is provided for the pull wire 1204, and the using effect is improved.

Wherein, brush dish 1201 middle part is through-hole 1208 and lacquer pipe 5 sliding connection, top dish 1206 middle part is pegged graft through-hole 1208 and lacquer pipe 5, does benefit to respectively and removes and fix on lacquer pipe 5.

The outer diameter size of extension pipe 1210 bottom is by last to the form that reduces down, the clearance distance size of extension pipe 1210 inner wall and 5 outer walls of lacquer pipe is 0.5MM, and the clearance is less, does benefit to the scraping of 5 outside paints of lacquer pipe.

The right end of the shaft column 12053 is fixedly arranged at the center of the connecting surface of the roll-up rod 12052 and the shell 12051, and the length of the shaft column 12053 is one third of the length of the roll-up rod 12052, so as to provide stable rotating space and restoring effect for the coil spring 12054.

Wherein, the inboard structure of through-hole 1208 is unanimous with the outside structure size of lacquer pipe 5 to the coefficient of friction size on through-hole 1208 inner wall surface is 0.3, and frictional force is less, does benefit to installation and slip.

The right end of the push rod 9 penetrates through the gun body 1 and then is fixedly connected with the air switch spring 10, and the right end of the gun barrel 4 penetrates through the gun body 1 and then is connected with the ventilation cavity 11 in an inserting mode, so that the using condition is met.

The top plate 1206 is made of ABS plastic and has high hardness.

Wherein, the coil spring 12054 is made of stainless steel and is not easy to rust.

According to the table show, the utility model discloses wind spring 12054 adopts the stainless steel, can reach the difficult rusty effect.

The lasso 1211 that this patent be a circular shape part, similar and circle and ring to the external diameter size of lasso 1211 is greater than the external diameter size of extension pipe 1210, can be when the outer paint volume of lacquer pipe 5 is less, and effectual paint to extension pipe 1210 carries out preliminary check and keeps off, improves the result of use, coil spring 12054 can continuously provide great restoring force in narrow and small space, can be after mechanical parts stroke completion, with the part come back to the normal position to prepare next stroke.

The working principle is as follows: when in use, firstly, the paint cup 7 is screwed down on the top cover 6 by applying anticlockwise rotary force to the paint cup, then, paint is poured into the paint cup 7, then, the top of the paint cup is aligned to the top cover 6, the bottom end of the paint tube 5 is inserted into the paint, then, the paint is in threaded connection with the top cover 6 by clockwise rotary force, then, an external air tube connected with an air pump is in threaded connection and fixed with the air tube port 3 at the bottom end of the gun body 1, after the completion, the atomizing nozzle 2 can be aligned to a position required to be sprayed, then, the trigger 8 is pressed down, the trigger 8 applies pressure to the push rod 9 after being stressed, the push rod 9 pushes the air switch spring 10 after being stressed, the middle part of the air switch spring 10 moves backwards in the vent cavity 11, the block to the vent cavity 11 is cancelled, compressed air on the external air tube is enabled to be gushed into the gun barrel 4 through the vent cavity 11, pressure is generated, and the paint in the paint cup 7 is absorbed into the gun barrel 4 through the paint, and is atomized by the atomizing nozzle 2 along the gun barrel 4 and then sprayed out, the spraying is finished, when the spraying is not allowed, the air pipe opening 3 can be screwed down on the external air pipe, when the paint is required to be added into the paint cup 7, the paint cup 7 can be rotated by the anticlockwise rotary force to be separated from the top cover 6, at the moment, the bottom end of the outer wall of the paint tube 5 is stained with partial paint due to the contact of the paint tube 5 and the paint, at the moment, after the paint cup 7 is separated from the top cover 6, the paint cup 7 can be placed on the desktop firstly, then the gun body 1 is held by one hand to fix the paint tube 5, then one hand supports against the brush disc 1201 through the finger groove 1209, then, the brush disc 1201 is forced to move downwards along the outer wall of the paint tube 5 through the through hole 1208 by applying a downward thrust force, and the connection head 1204 on the winding rod 12052 is pulled out along with the connection head, and the winding rod 12052 rotates in the shell 12051, the coil spring 12054 is contracted, and then, the brush tray 1201 is moved down to squeeze and scrape the paint outside the paint pipe 5 through the extension pipe 1210, the initial squeezing of the paint by the collar 1211 causes the paint to flow down the outer wall of the paint tube 5 into the paint cup 7, after the completion of the operation, the force applied to the brush plate 1201 is canceled, the force on the pull wire 1204 disappears, so that the winding rod 12052 is rotationally restored in the housing 12051 by the resilient force of the coil spring 12054, the pulling wire 1204 is furled to apply force to the brush disc 1204 through the connector 1202, the brush disc 1204 is reset on the paint pipe 5 through the through hole 1208 after being stressed, and drives the extension tube 1210 to reset to finish the cleaning of the paint, thereby avoiding the paint from freely dripping and leaking adverse environment and causing waste, new paint can be poured into the paint cup 7 and screwed into the top cover 6 by clockwise screwing force.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel spray gun special for spraying comprises a gun body (1), an atomizing nozzle (2), an air pipe opening (3), a gun barrel (4), a paint pipe (5), a top cover (6), a paint cup (7), a trigger (8), a push rod (9), an air switch spring (10) and a ventilation cavity (11), wherein the atomizing nozzle (2) is fixedly installed at the left end of the gun body (1), the air pipe opening (3) is arranged at the bottom end of the gun body, the gun barrel (4) is inserted into the atomizing nozzle (2) after passing through the gun body (1), the top end of the paint pipe (5) is fixedly connected with the air pipe opening (3) after passing through the gun body (1), the middle part of the outer side of the paint pipe (5) is welded with the top cover (6), the bottom end of the top cover (6) is in threaded connection with the paint cup (7), the top of the trigger (8) is rotatably connected with the gun body (1), and the push rod (9) is fixedly installed at, the middle part of the bottom side of the top cover (6) is connected with a varnish device (12) through bolts;

the method is characterized in that: the novel wire drawing device is characterized by further comprising a varnish device (12), wherein the varnish device (12) is composed of a brush disc (1201), a connector (1202), a cavity (1203), a wire drawing (1204), a furling device (1205), a top disc (1206), screw holes (1207), through holes (1208), a finger groove (1209), an extension pipe (1210) and a ferrule (1211), the left end and the right end of the top side of the brush disc (1201) are provided with the protruding connectors (1202), the cavity (1203) transversely penetrates through the connector (1202), the bottom end of the wire drawing (1204) is fixedly wound on the connector (1202) through the cavity (1203), the top end of the wire drawing (1204) is fixedly installed on the furling device (1205), the top end of the furling device (1205) is welded with the top disc (1206), the front end and the rear end of the top side of the top disc (1206) are provided with the screw holes (1207) for connection and fixation in a penetrating manner, and the through holes (1208), the brush disc (1201) is provided with finger grooves (1209) for applying force at the left end and the right end, the top end of the lengthened pipe (1210) is fixed with the brush disc (1201) in an injection molding integrated mode, a ferrule (1211) is arranged on the outer side of the lengthened pipe (1210), and the top end of the top disc (1206) is fixed with the top cover (6) through a screw hole (1207) in a bolt mode.

2. The novel special spray gun for spraying according to claim 1, characterized in that: the winding device (1205) comprises a shell (12051), a winding rod (12052), an axle column (12053) and a winding spring (12054), wherein the winding rod (12052) is rotatably installed inside the shell (12051), the axle column (12053) protruding transversely is arranged on the right side of the inner wall of the shell (12051), the center of the winding spring (12054) is fixedly installed on the axle column (12053), the top end of the winding spring (12054) is fixedly connected with the inner wall of the winding rod (12052), and the outer side of the winding rod (12052) is bonded with a pull wire (1204) through super glue.

3. The novel special spray gun for spraying according to claim 2, characterized in that: the connecting position of the bottom end of the shell (12051) and the pull wire (1204) is provided with a corresponding circular channel, and the inner wall of the circular channel is a smooth surface.

4. The novel special spray gun for spraying according to claim 1, characterized in that: the middle of the brush plate (1201) is connected with the paint pipe (5) in a sliding mode through a through hole (1208), and the middle of the top plate (1206) is connected with the paint pipe (5) in an inserting mode through the through hole (1208).

5. The novel special spray gun for spraying according to claim 1, characterized in that: the outer diameter of the bottom end of the lengthened pipe (1210) is reduced from top to bottom, and the gap distance between the inner wall of the lengthened pipe (1210) and the outer wall of the lacquer pipe (5) is 0.5 MM.

6. The novel special spray gun for spraying according to claim 2, characterized in that: the right end of the shaft post (12053) is fixedly arranged at the center of the connecting surface of the winding rod (12052) and the shell (12051), and the length dimension of the shaft post (12053) is one third of the length dimension of the winding rod (12052).

7. The novel special spray gun for spraying according to claim 1, characterized in that: the size of the inner side structure of the through hole (1208) is consistent with that of the outer side structure of the paint pipe (5), and the friction coefficient of the inner wall surface of the through hole (1208) is 0.3.

8. The novel special spray gun for spraying according to claim 1, characterized in that: the right end of the push rod (9) penetrates through the gun body (1) and then is fixedly connected with the air switch spring (10), and the right end of the gun barrel (4) penetrates through the gun body (1) and then is inserted into the ventilation cavity (11).