CN110976122B - A single-handed spray pistol that can directly change the color of spray paint - Google Patents

Abstract

The invention discloses a spraying pistol which can be held by a single person and can directly change the color of a sprayed paint, and the spraying pistol comprises a pistol body, wherein an accelerating cavity is arranged in the pistol body, a spraying cavity is arranged on the left side wall of the accelerating cavity, a lifting cavity is arranged on the lower side wall of the spraying cavity, a bevel gear cavity is arranged on the upper side of the spraying cavity, belt wheel cavities are arranged on the rear sides of the bevel gear cavity and the accelerating cavity, and the third bevel gear is driven to rotate when the second bevel gear rotates, so that the penetrating shaft is driven to rotate, and the meshing wheel is driven to rotate.

Description

A single-handed spray pistol that can directly change the color of spray paint

technical field

The invention relates to the field of surface spraying, in particular to a spraying pistol which can be directly exchanged by a single person by hand.

Background technique

At present, with the development of society and the rapid improvement of productivity, my country has become a manufacturing power in the world. While the manufacturing industry is developing rapidly, it also requires greater technical support in the spraying of basic manufacturing parts. There are still many technical deficiencies in spraying, especially when different paint spraying needs to be exchanged, the general worker needs to remove the spray gun and reconnect the paint bucket, which will waste work time and reduce work efficiency. A spray pistol that directly changes the paint color.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a spray pistol that can be directly exchanged for spray paint colors in a single hand, so as to solve the problems raised in the above background technology.

In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a single-hand-held spray gun capable of directly changing the color of spray paint, comprising a body, an acceleration cavity is provided in the body, and a spray cavity is provided on the left side wall of the acceleration cavity, The lower side wall of the injection cavity is provided with a lifting cavity, the upper side of the injection cavity is provided with a bevel gear cavity, the bevel gear cavity and the rear side of the acceleration cavity are provided with a pulley cavity, and the pulley cavity is connected with the There is a spray device for spraying paint out between the acceleration chambers;

The spray device includes a transmission motor fixedly installed on the rear side wall of the pulley cavity, the front side of the transmission motor is powered with a motor shaft that is rotatably connected to the front side wall of the pulley cavity, and the motor shaft is forward. The motor shaft extends through the front side wall of the pulley cavity into the acceleration cavity and is rotatably connected with the front and rear side walls of the acceleration cavity. The motor shaft is fixed with a runner in the acceleration cavity, and the belt A secondary shaft is rotatably connected to the front and rear side walls of the left side of the wheel cavity. The secondary shaft extends forward through the front side wall of the pulley cavity, enters the bevel gear cavity, and rotates with the rear side wall of the bevel gear cavity. The auxiliary shaft and the motor shaft are fixed with a pulley symmetrically on the left and right in the pulley cavity, a belt is connected between the two pulleys, and the auxiliary shaft is fixed in the bevel gear cavity. A first bevel gear is provided, the upper and lower side walls of the bevel gear cavity are rotatably connected with a rotating pipe, and the rotating pipe extends downward through the bottom wall of the bevel gear cavity into the injection cavity and is connected with the top of the injection cavity. A second bevel gear meshing with the first bevel gear is fixed on the rotating pipe, an inner cavity is arranged in the rotating pipe, and a threaded pipe is fixed on the inner wall of the inner cavity. An internal slider is slidably connected in the inner cavity, a return spring is connected between the top surface of the inner slider and the top wall of the inner cavity, and a sealing block slidably connected to the inner wall of the lifting cavity is threadedly connected in the threaded pipe ;

The closing block is provided with a first communication cavity that overlaps with the injection cavity, a top wall cavity is provided on the left side of the bevel gear cavity, and a rotary injection device is provided between the top wall cavity and the injection cavity, There are three input cavities connected to the array on the right side wall of the acceleration cavity, and exchange cavities are connected in front and back between the three input cavities. A handle is provided, a handle cavity is arranged in the handle, two upper sliding cavities are arranged symmetrically up and down on the right side of the handle cavity, and a lower sliding cavity is arranged on the lower right side of the handle cavity, so the The handle is provided with a control device.

Preferably, the rotary spray device includes a through shaft rotatably connected to the left and right side walls of the top wall cavity, the through shaft extends rightward through the right side wall of the top wall cavity, enters the bevel gear cavity, and is connected to the bevel gear cavity. The right side wall of the bevel gear cavity is rotatably connected, the right side of the through shaft is fixed with a third bevel gear meshing with the second bevel gear, and the through shaft is fixed with a meshing wheel in the top wall cavity , the injection chamber is rotatably connected with an injection pipe that meshes with the meshing wheel, the pipe in the injection pipe is communicated with the injection chamber, and the left side of the injection pipe is fixed with a rotation on the left surface of the body connected sprinkler.

Preferably, the exchanging device includes an exchanging motor fixedly installed on the rear side wall of the exchanging cavity, and a threaded shaft rotatably connected to the front side wall of the exchanging cavity is powered on the front side of the exchanging motor. A threaded block that is slidably connected to the inner wall of the exchange cavity is threadedly connected, the threaded block is provided with a second communication cavity corresponding to the input cavity, the upper side of the input cavity and the right side of the lower side of the input cavity An input hose connected to the paint bucket is fixed.

Preferably, the control device includes a first controller fixed on the right side wall of the upper sliding cavity and a second controller arranged on the right side wall of the lower sliding cavity, the first controller is connected to the right side wall of the lower sliding cavity. A control wire is connected between the transmission motors, and an upper T-shaped plate is slidably connected up and down symmetrically between the left side wall of the upper sliding cavity and the right side wall of the handle cavity. An upper support spring is connected between the right side of the plate and the right side wall of the upper sliding cavity, a large pressing block is fixed on the left side of the two upper T-shaped plates, and the second controller is connected to the A replacement wire is connected between the replacement motors, a lower T-shaped plate is slidably connected between the left side wall of the lower sliding cavity and the right side wall of the handle cavity, and the lower T-shaped plate is connected to the second A lower support spring is connected between the controllers, and a small pressing block is fixed on the left side of the lower T-shaped plate.

To sum up, the beneficial effects of the present invention are: compared with the existing paint spraying devices on the market, the present invention can connect different paints for spraying at the same time, and can exchange colors at any time, thereby solving the problem when the painter is spraying paint on the surface of the object. Switching paint requires the steps of removing the spray gun and reconnecting the paint bucket, which greatly simplifies the work process and improves the work efficiency. The present invention provides a rotatable spray pipe during spraying, so that the spraying range is wider and the spraying is more uniform. , Compared with the traditional spray gun, the present invention is more suitable for ergonomics, suitable for adults to spray between hands, making spraying more convenient.

Description of drawings

In order to illustrate the embodiments of the invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only For some embodiments of the invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the front view structure schematic diagram of a kind of single-hand-held spraying pistol of the present invention that can directly exchange the spraying paint color;

Fig. 2 is the enlarged view of A place in Fig. 1 of the present invention;

Fig. 3 is the sectional view of the B-B direction in Fig. 1 of the present invention;

FIG. 4 is a cross-sectional view of the present invention in the direction C-C of FIG. 2 .

Detailed ways

All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), unless expressly stated otherwise, may be replaced by other equivalent or alternative features serving a similar purpose. That is, unless expressly stated otherwise, each feature is but one example of a series of equivalent or similar features.

The present invention will be described in detail below in conjunction with Figures 1-4. For the convenience of description, the orientations mentioned below are now specified as follows: the up, down, left, right, front, and rear directions mentioned below are consistent with the up, down, left, right, front, and rear directions of the projection relationship of Figure 1 itself.

Please refer to FIGS. 1-4 , an embodiment provided by the present invention: a single-person hand-held spray gun that can directly change the color of spray paint, including a body 20, and an acceleration cavity 29 is provided in the body 20, and the acceleration cavity 29 The left side wall is provided with an injection cavity 22 , the lower side wall of the injection cavity 22 is provided with a lift cavity 50 , and the upper side of the injection cavity 22 is provided with a bevel gear cavity 52 , the bevel gear cavity 52 and the acceleration cavity 29 are behind There is a pulley cavity 60 on the side, and between the pulley cavity 60 and the acceleration cavity 29 is a spray device 101 for spraying paint, the spray device 101 includes a fixed installation on the rear side of the pulley cavity 60 The transmission motor 62 of the wall, the front side of the transmission motor 62 is powered with a motor shaft 28 that is rotatably connected to the front side wall of the pulley cavity 60 , and the motor shaft 28 extends forward through the front of the pulley cavity 60 . The side wall enters the acceleration chamber 29 and is rotatably connected with the front and rear side walls of the acceleration chamber 29 . The motor shaft 28 is fixed with a runner 59 in the acceleration chamber 29 , and the pulley chamber 60 is left on the left side. A secondary shaft 67 is rotatably connected to the front and rear side walls. The secondary shaft 67 extends forward through the front side wall of the pulley cavity 60 into the bevel gear cavity 52 and is connected to the rear side of the bevel gear cavity 52 The auxiliary shaft 67 and the motor shaft 28 are symmetrically fixed with a pulley 61 in the pulley cavity 60, and a belt 68 is connected between the two pulleys 61. The auxiliary shaft 67 A first bevel gear 66 is fixed in the bevel gear cavity 52 , and a rotating tube 58 is rotatably connected to the upper and lower side walls of the bevel gear cavity 52 , and the rotating tube 58 extends downward through the bottom of the bevel gear cavity 52 . The wall enters the injection chamber 22 and is rotatably connected with the top wall of the injection chamber 22. The rotating pipe 58 is fixed with a second bevel gear 54 meshing with the first bevel gear 66. An inner cavity 57 is arranged in the tube 58, a threaded pipe 53 is fixed on the inner wall of the inner cavity 57, and an inner sliding block 55 is slidably connected in the inner cavity 57, and the top surface of the inner sliding block 55 is connected to the inner cavity 57. A return spring 56 is connected between the top walls, a closing block 48 is threadedly connected with the inner wall of the lifting chamber 50 , and the closing block 48 is provided with a second overlapping with the injection chamber 22 . A communication cavity 49, a top wall cavity 24 is provided on the left side of the bevel gear cavity 52, a rotary spray device 102 is provided between the top wall cavity 24 and the injection cavity 22, and the right side wall of the acceleration cavity 29 is arrayed Three input cavities 31 are communicated with each other, and an exchange cavity 65 is connected to the front and rear of the three input cavities 31 . An exchange device 103 is arranged between the exchange cavity 65 and the input cavity 31 , and the lower side of the body 20 is fixed There is a handle 34, the handle 34 is provided with a handle cavity 47, the right side of the handle cavity 47 is symmetrically provided with two upper sliding cavities 38, and the lower right side of the handle cavity 47 is provided with a lower sliding cavity 38. The side sliding cavity 42 is provided with a control device 104 in the handle 34 .

In addition, in one embodiment, the rotary spray device 102 includes a through shaft 25 rotatably connected to the left and right side walls of the top wall cavity 24 , and the through shaft 25 extends rightward through the right side wall of the top wall cavity 24 It enters the bevel gear cavity 52 and is rotatably connected to the right side wall of the bevel gear cavity 52 . The right side of the through shaft 25 is fixed with a third bevel gear 51 that meshes with the second bevel gear 54 . A meshing wheel 26 is fixed in the top wall cavity 24 of the through shaft 25, and a spraying pipe 21 engaged with the meshing wheel 26 is rotatably connected to the spraying cavity 22. The spray chamber 22 communicates with each other, and the left side of the spray pipe 21 is fixed with a spray head 23 that is rotatably connected to the left surface of the body 20. When the second bevel gear 54 rotates, it drives the third bevel gear 51 to rotate, and then The through shaft 25 is driven to rotate, thereby driving the meshing wheel 26 to rotate, and further driving the spray pipe 21 to rotate when spraying paint, so that the spraying area of the paint after spraying through the spray head 23 is larger and more uniform.

In addition, in one embodiment, the exchanging device 103 includes an exchanging motor 63 fixedly installed on the rear side wall of the exchanging cavity 65 , and the front side of the exchanging motor 63 is powered to rotate with the front side wall of the exchanging cavity 65 . The connected threaded shaft 33, the threaded shaft 33 is threadedly connected with a threaded block 30 that is slidably connected to the inner wall of the exchange cavity 65, and the threaded block 30 is provided with a second communication cavity 64 corresponding to the input cavity 31 , the input hose 32 connected to the paint bucket is fixed on the right side of the input cavity 31 on the upper side and the input cavity 31 on the lower side. When the spray paint needs to be exchanged, the exchange motor 63 rotates to drive the thread The block 30 and the second communication cavity 64 move, so that the second communication cavity 64 corresponds to different input cavities 31 to spray different paints, and the upper input cavity 31 and the lower input cavity 31 use For inputting different paints, the middle input cavity 31 is used for the second communication cavity 64 to communicate with the threaded block 30 when it moves and then pass air, so as to facilitate the discharge of the previous paint by first inputting air when changing paints.

In addition, in one embodiment, the control device 104 includes a first controller 36 fixed on the right side wall of the upper sliding cavity 38 and a second controller 36 fixed on the right side wall of the lower sliding cavity 42 The controller 40, the control wire 35 is connected between the first controller 36 and the transmission motor 62, and the left side wall of the upper sliding cavity 38 and the right side wall of the handle cavity 47 are connected vertically symmetrically. There is an upper T-shaped plate 39, an upper support spring 37 is connected between the right side of each upper T-shaped plate 39 and the right side wall of the upper sliding cavity 38, and the two upper T-shaped A large pressing block 46 is fixed on the left side of the plate 39, an exchange wire 41 is connected between the second controller 40 and the exchange motor 63, the left side wall of the lower sliding cavity 42 and the handle cavity 47 A lower T-shaped plate 44 is slidably connected between the right side walls, a lower support spring 43 is connected between the lower T-shaped plate 44 and the second controller 40 , and the lower T-shaped plate 44 is left on the left side. A small pressing block 45 is fixed on the side. When painting, three fingers press the large pressing block 46 to drive the upper T-shaped plate 39 to move to the right, so that the upper T-shaped plate 39 is squeezed The upper support spring 37 triggers the first controller 36, and then turns on the transmission motor 62 through the control wire 35, thereby driving the spray device 101 to work. Reassure the small pressing block 45, thereby triggering the second controller 40 through the lower T-shaped plate 44, and then triggering the switching motor 63 through the switching wire 41, thereby driving the switching device 103 to work, and then switching Different colors of paint.

In the initial state, the injection chamber 22 is in a state of being closed by the closing block 48 , and the second communication chamber 64 communicates with the upper or lower input chamber 31 .

When painting is required, press the large pressing block 46 with three fingers, thereby driving the upper T-shaped plate 39 to move to the right, so that the upper T-shaped plate 39 squeezes the upper supporting spring 37 to trigger the first controller 36, and then The transmission motor 62 is turned on by the control wire 35, and then the motor shaft 28 is driven to rotate, which in turn drives the runner 59 to rotate, thereby providing power for the transmission of paint. At the same time, the motor shaft 28 drives the pulley 61 to rotate, and then drives the secondary shaft 67 to rotate. , thereby driving the first bevel gear 66 and the second bevel gear 54 to rotate, thereby driving the belt 68 to rotate, and then the closing block 48 rises, so that the first communication cavity 49 coincides with the spray cavity 22, so that the paint can be sprayed out, and at the same time The rotation of the second bevel gear 54 drives the rotation of the third bevel gear 51, thereby driving the through shaft 25 to rotate, which in turn drives the meshing wheel 26 to rotate, which in turn drives the spray pipe 21 to rotate during painting, so that the paint is sprayed through the spray head 23. Larger and more uniform, when it is necessary to exchange different paints, the little finger can press the block 45 with peace of mind, thereby triggering the second controller 40 through the lower T-plate 44, and then triggering the exchange of the motor 63 by exchanging the wire 41, and exchanging the motor 63 The rotation drives the threaded block 30 and the second communication cavity 64 to move, so that the second communication cavity 64 corresponds to different input cavities 31 to spray different paints. The upper input cavity 31 and the lower input cavity 31 are used to input different paints, and the middle The input cavity 31 is used for the second communication cavity 64 to communicate with the threaded block 30 when it moves and then pass air, so as to facilitate the discharge of the previous paint by first inputting air when exchanging paint, and then exchanging different paints for painting.

The beneficial effects of the present invention are: compared with the existing paint spraying devices on the market, the present invention can simultaneously connect different paints for spraying, and perform color exchange at any time, thereby solving the problem that the painter needs to remove the paint when switching paints on the surface of the object. In addition to the step of reconnecting the spray gun to the paint bucket, the work process is greatly simplified and the work efficiency is improved. The present invention provides a rotatable spray pipe during spraying, so that the spraying range is wider and the spraying is more uniform. Compared with traditional The spray gun of the present invention is more suitable for ergonomics, suitable for adults to spray between hands, making spraying more convenient.

The above are only specific embodiments of the invention, but the protection scope of the invention is not limited to this, and any changes or substitutions that are not conceived of without creative work should be included within the protection scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (4)

1. a single-person hand-held spray gun that can directly exchange spray paint colors, including a body, and it is characterized in that: the body is provided with an acceleration cavity, the left side wall of the acceleration cavity is provided with a spray cavity, and the lower side of the spray cavity is provided with a spray cavity. The wall is provided with a lifting cavity, the upper side of the injection cavity is provided with a bevel gear cavity, the bevel gear cavity and the rear side of the acceleration cavity are provided with a pulley cavity, and a pulley cavity is provided between the pulley cavity and the acceleration cavity. A spray device that sprays paint out; The spray device includes a transmission motor fixedly installed on the rear side wall of the pulley cavity, the front side of the transmission motor is powered with a motor shaft that is rotatably connected to the front side wall of the pulley cavity, and the motor shaft is forward. The motor shaft extends through the front side wall of the pulley cavity into the acceleration cavity and is rotatably connected with the front and rear side walls of the acceleration cavity. The motor shaft is fixed with a runner in the acceleration cavity, and the belt A secondary shaft is rotatably connected to the front and rear side walls of the left side of the wheel cavity. The secondary shaft extends forward through the front side wall of the pulley cavity, enters the bevel gear cavity, and rotates with the rear side wall of the bevel gear cavity. The auxiliary shaft and the motor shaft are fixed with a pulley symmetrically on the left and right in the pulley cavity, a belt is connected between the two pulleys, and the auxiliary shaft is fixed in the bevel gear cavity. A first bevel gear is provided, the upper and lower side walls of the bevel gear cavity are rotatably connected with a rotating pipe, and the rotating pipe extends downward through the bottom wall of the bevel gear cavity into the injection cavity and is connected with the top of the injection cavity. A second bevel gear meshing with the first bevel gear is fixed on the rotating pipe, an inner cavity is arranged in the rotating pipe, and a threaded pipe is fixed on the inner wall of the inner cavity. An internal slider is slidably connected in the inner cavity, a return spring is connected between the top surface of the inner slider and the top wall of the inner cavity, and a sealing block slidably connected to the inner wall of the lifting cavity is threadedly connected in the threaded pipe ; The closing block is provided with a first communication cavity that overlaps with the injection cavity, a top wall cavity is provided on the left side of the bevel gear cavity, and a rotary injection device is provided between the top wall cavity and the injection cavity, There are three input cavities connected to the array on the right side wall of the acceleration cavity, and exchange cavities are connected in front and back between the three input cavities. A handle is provided, a handle cavity is arranged in the handle, two upper sliding cavities are arranged symmetrically up and down on the right side of the handle cavity, and a lower sliding cavity is arranged on the lower right side of the handle cavity, so the The handle is provided with a control device. 2. The spraying pistol capable of directly changing spray paint colors in a single hand according to claim 1, wherein the rotating spraying device comprises a through shaft rotatably connected to the left and right side walls of the top wall cavity, and the The through shaft extends rightward through the right side wall of the top wall cavity into the bevel gear cavity and is rotatably connected with the right side wall of the bevel gear cavity, and the right side of the through shaft is fixed with the second bevel gear The meshing third bevel gear, the through shaft is fixed with a meshing wheel in the top wall cavity, the injection cavity is rotatably connected with an injection pipe meshed with the meshing wheel, and the injection pipe in the injection pipe is rotatably connected with the meshing wheel. The pipeline communicates with the spray chamber, and the left side of the spray pipe is fixed with a spray head rotatably connected to the left surface of the body. 3. a kind of single hand-held spray gun according to claim 2 that can directly exchange paint color, it is characterized in that: described exchange device comprises the exchange motor fixedly installed on the rear side wall of described exchange cavity, and described exchange motor The front side is powered with a threaded shaft that is rotatably connected to the front side wall of the exchange chamber, the threaded shaft is threadedly connected with a threaded block that is slidably connected to the inner wall of the exchange chamber, and the threaded block is provided with the input In the second communication cavity corresponding to the cavity, the upper side of the input cavity and the right side of the lower side of the input cavity are fixedly provided with input hoses connected to the paint bucket. 4. The spray gun according to claim 3, characterized in that the control device comprises a first controller fixed on the right side wall of the upper sliding cavity and a A second controller is arranged on the right side wall of the lower sliding cavity, a control wire is connected between the first controller and the transmission motor, and the left side wall of the upper sliding cavity is connected to the handle cavity The upper side T-shaped plate is slidably connected up and down symmetrically between the right side walls, and an upper side support spring is connected between the right side of each upper side T-shaped plate and the right side wall of the upper side sliding cavity. A large pressing block is fixed on the left side of the upper T-shaped plate, an exchange wire is connected between the second controller and the exchange motor, and the left side wall of the lower sliding cavity is connected to the right side of the handle cavity. A lower T-shaped plate is slidably connected between the walls, a lower support spring is connected between the lower T-shaped plate and the second controller, and a small pressing block is fixed on the left side of the lower T-shaped plate .

Images