CN211613125U

CN211613125U - Spraying gun capable of controlling spraying amount

Info

Publication number: CN211613125U
Application number: CN201921995127.6U
Authority: CN
Inventors: 吕霄峰
Original assignee: Jinan Qidong Machinery Equipment Co ltd
Current assignee: Jinan Qidong Machinery Equipment Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-10-02
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a spraying gun of steerable spraying volume, including the spraying gun shell, from left to right including material loading chamber, material loading pipeline, control mechanism, air pump pipeline, conveying play material chamber in proper order in the spraying gun shell, the material loading chamber includes feed end and discharge end, the feed end is connected with outside inlet pipe. This spray gun of steerable spraying volume is the quantity that is convenient for spill the discharge opening through rotating and controls the ejection of compact condition, increases the auxiliary control ejection of compact simultaneously for there is the ejection of compact condition of multiple difference, can adapt to the spraying of more circumstances, the ejection of compact is aerifyd in the slope, ejection of compact more convenient device.

Description

Spraying gun capable of controlling spraying amount

Technical Field

The utility model relates to a spray gun field provides a spray gun of steerable spraying volume very much.

Background

The spray gun is an operation for spraying the material to be coated by high-pressure air flow.

In the field of building or other fields needing spraying, for example, wall surface spraying, in order to reduce the labor intensity of manual painting, an air gun is usually used for auxiliary spraying, because the spraying positions are different, the spraying output amount needs to be controlled, the discharging condition is controlled by adjusting the condition of the final discharging end through screwing conventionally, for building spraying, the used spraying material has not fine texture, so that the outgoing line is easy to be silted under the condition of rotation adjustment, because the volume of the device is not very large, the device is more inconvenient to clean, and only one place is used for controlling the discharging condition in the prior art, the discharging specification is single, the spraying at different positions can not be satisfied, and the manual cleaning is very inconvenient, since it is necessary to design a spray gun capable of controlling the amount of spray in order to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the above problems, the present invention is directed to a spray gun capable of controlling a spray amount.

The utility model provides a technical scheme is: a spraying gun capable of controlling spraying amount comprises a spraying gun shell, wherein a feeding cavity, a feeding pipeline, a control mechanism, an air pump pipeline and a conveying discharging cavity are sequentially arranged in the spraying gun shell from left to right, the feeding cavity comprises a feeding end and a discharging end, the feeding end is connected with an external feeding pipe, the discharging end is connected with the feeding pipeline, the control mechanism is positioned on the feeding pipeline and used for controlling the discharging amount, the air pump pipeline gas outlet end extends into the spraying gun shell and is positioned between the control mechanism and the conveying discharging cavity, the conveying discharging cavity partially extends out of the spraying gun shell, and an auxiliary control mechanism is arranged on one end face of the conveying discharging cavity and on the outer side of the spraying gun shell;

the control mechanism includes: the spherical valve comprises a spherical valve body, a plurality of discharge holes and an extension part, wherein the spherical valve body comprises a hemispherical rotating body and a rotating part, the plurality of discharge holes are positioned on the hemispherical rotating body and are positioned on the same horizontal line at equal intervals, and the extension part is positioned on the upper surface of the rotating part and penetrates through the upper surface of a shell of the spraying gun;

the auxiliary control mechanism includes: the conveying and discharging device comprises a pair of fixing plates, a pair of adjusting portions and a pair of folded shielding pieces, wherein the fixing plates are fixedly connected to the outer side surface of a shell of the spraying gun and located on two sides of a conveying and discharging cavity, the adjusting portions are evenly located on the fixing plates and move on the fixing plates, the folded shielding pieces are fixedly connected to the end faces of the adjusting portions respectively and move along with the adjusting portions, the discharging end of the conveying and discharging cavity is a porous discharging end, and the inner side surfaces of the folded shielding pieces are in lap joint with the discharging end face of the conveying and discharging cavity.

Preferably, the extension comprises: the multi-claw connecting frame is connected with the upper surface of the rotating piece and located inside the spraying gun shell, the rotating handheld frame is located above the multi-claw connecting frame and located outside the spraying gun shell, and the stretching rod is located between the multi-claw connecting frame and the rotating handheld frame and rises and falls along with the lifting and stretching of the stretching rod.

Preferably, the adjusting section includes: rotate screw rod, horizontal stand and a plurality of and promote the frame, rotate the screw rod and run through the fixed plate, just the fixed plate with it has the internal thread to rotate the processing of screw rod junction, the horizontal stand is located rotate terminal surface under the screw rod, and along with the rotation of rotating the screw rod and remove, a plurality of promote the frame to be located the horizontal stand lower surface, and with roll over the shape and shelter from the piece up end and connect.

Preferably, the included angle between the air outlet direction of the air pump pipeline and the conveying discharging cavity is an obtuse angle.

Preferably, a semicircular opening is formed in the center of the lower end face of each folded shielding piece, a semicircular bulge is fixedly connected to the center of the inner side surface of each semicircular opening, a circular ring shielding cover is arranged between each pair of semicircular openings, and a circular ring groove matched with the semicircular bulge is formed in the center of the outer side surface of each circular ring shielding cover.

The utility model provides a spraying gun of steerable spraying volume, one kind is convenient for control the ejection of compact condition through the quantity that rotates to spill the discharge opening, increases the auxiliary control ejection of compact simultaneously for there is the ejection of compact condition of multiple difference, can adapt to the spraying of more condition, the ejection of compact is aerifyd in the slope, ejection of compact more convenient device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:

FIG. 1 is a schematic structural view of a coating gun capable of controlling the amount of coating;

FIG. 2 is a top view of the ball valve body and the discharge hole of the spray gun with controllable spraying amount;

FIG. 3 is a side sectional view of the ball valve body and the discharge hole of the spray gun with controllable spraying amount;

FIG. 4 is a top cross-sectional view of the rotary member of the ball valve body and the multi-pronged adapter of the controlled spray gun of the present invention;

fig. 5 is a side view of the delivery cavity, the fixing plate, the folded shielding member, the rotating screw, the horizontal frame, the pushing frame, and the annular shielding cover of the spray gun with controllable spraying amount;

fig. 6 is a front view of the transfer outlet chamber 5 of the coating gun of the present invention;

FIG. 7 is a cross-sectional side view of the folding shield and the circular ring shield cooperating with each other in the spray gun of the present invention;

in the figure: 1. a spray gun housing; 2. a feeding cavity; 3. a feeding pipeline; 4. an air pump conduit; 5. a conveying discharge cavity; 6. a ball valve body; 7. a discharge hole; 8. a fixing plate; 9. a fold-shaped shield; 10. a multi-jaw link; 11. Rotating the handheld frame; 12. a stretch rod; 13. rotating the screw; 14. a horizontal frame; 15. a pushing frame; 16. the circular ring shields the cover.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Example (b): as shown in the attached fig. 1-7, the utility model provides a spraying gun capable of controlling spraying amount, which comprises a spraying gun shell 1, the spraying gun shell 1 comprises a feeding cavity 2, a feeding pipeline 3, a control mechanism, an air pump pipeline 4 and a conveying discharging cavity 5 from left to right in sequence, the feeding cavity 2 comprises a feeding end and a discharging end, the feeding end is connected with an external feeding pipe, the discharge end is connected with the feeding pipeline 3, the control mechanism is positioned on the feeding pipeline 3 and used for controlling the discharge amount, the air outlet end of the air pump pipeline 4 extends into the spraying gun shell 1 and is positioned between the control mechanism and the conveying discharging cavity 5, the conveying discharging cavity 5 partially extends out of the spraying gun shell 1, and an auxiliary control mechanism is arranged on one end face of the conveying discharging cavity 5 and positioned on the outer side of the spraying gun shell 1;

the control mechanism includes: the spraying gun comprises a spherical valve body 6, a plurality of discharge holes 7 and an extension part, wherein the spherical valve body 6 comprises a hemispherical rotating body and a rotating part, the plurality of discharge holes 7 are positioned on the hemispherical rotating body and are positioned on the same horizontal line at equal intervals, and the extension part is positioned on the upper surface of the rotating part and penetrates through the upper surface of a spraying gun shell 1;

the auxiliary control mechanism includes: the conveying and discharging device comprises a pair of fixing plates 8, a pair of adjusting portions and a pair of folding shielding pieces 9, wherein the fixing plates 8 are fixedly connected to the outer side surface of the spraying gun shell 1 and located on two sides of the conveying and discharging cavity 5, the adjusting portions are evenly located on the fixing plates 8 and move on the fixing plates 8, the folding shielding pieces 9 are fixedly connected to the end faces of the adjusting portions and move along with the adjusting portions, the discharging end of the conveying and discharging cavity 5 is a porous discharging end, and the inner side surfaces of the folding shielding pieces 9 are in lap joint with the discharging end face of the conveying and discharging cavity 5.

As can be seen from figures 1 to 7 of the specification, the extension comprises: the multi-claw connection frame 10, the rotating handheld frame 11 and the stretching rod 12 are arranged on the spraying gun shell, the multi-claw connection frame 10 is connected with the upper surface of the rotating piece and located inside the spraying gun shell 1, the rotating handheld frame 11 is located above the multi-claw connection frame and located outside the spraying gun shell 1, and the stretching rod 12 is located between the multi-claw connection frame 10 and the rotating handheld frame 11 goes up and down along with the lifting and stretching of the stretching rod 12.

As can be seen from fig. 1 to 7 of the specification, the adjusting part includes: rotate screw 13, horizontal stand 14 and a plurality of and promote frame 15, it runs through to rotate screw 13 fixed plate 8, just fixed plate 8 with it has the internal thread to rotate screw 13 junction processing, horizontal stand 14 is located rotate screw 13 lower terminal surface, and along with rotate screw 13's rotation and remove, a plurality of it is located to promote frame 15 horizontal stand 14 lower surface, and with it connects to roll over the shape shielding piece 9 up end.

As can be seen from fig. 1 to 7 in the specification, an included angle between the air outlet direction of the air pump pipeline 4 and the conveying discharging cavity 5 is an obtuse angle.

As can be seen from fig. 1 to 7 of the specification, a semicircular opening is formed in the center of the lower end face of each zigzag shielding piece 9, a semicircular protrusion is fixedly connected to the center of the inner side surface of each semicircular opening, a circular shielding cover 16 is arranged between each pair of semicircular openings, and a circular groove matched with the semicircular protrusion is formed in the center of the outer side surface of the circular shielding cover 16.

The following is combined with practical operation, during practical use, the feeding cavity 2 inside the spraying gun shell 1 is connected with the material to be sprayed outside through an inlet end, part of the material is reserved in the feeding cavity 2, discharging through an outlet end is facilitated, the sprayed material is sufficient and can pass through the feeding cavity 2, the sprayed material is insufficient, the material reserved inside the feeding cavity 2 can be used for a period of time, the feeding is automatic feeding, the feeding mode includes but is not limited to external air pump transmission and the like, the explanation is given by taking an external air pump transmission power as an example, when spraying and discharging are performed, the material enters the spraying gun shell 1 through the feeding pipeline 3 through the feeding cavity 2, at the moment, the spherical valve body 6 on the feeding pipeline 3 is opened, wherein a plurality of discharging holes 7 on a hemisphere in the spherical valve body 6 are convenient to adjust according to the actual degree of discharging desired, the rotating part which is positioned above the ball valve body 6 and used for controlling the rotation of the hemispherical rotating body is rotated, if full speed passing is desired, the hemispherical rotating body can be rotated to the end which does not obstruct discharging, if full speed passing is not desired, the hemispherical rotating body can be rotated by a proper angle, so that discharging holes 7 with different quantities are shielded, the quantity of the discharged materials is controlled by selecting different quantity of the discharging holes 7 according to different rotating angles, wherein the feeding pipeline 3 is only used for conveying the materials entering the inside or outside of the feeding cavity 2, the quantitative materials conveyed out through the feeding pipeline 3 temporarily enter the inner cavity of the spraying gun shell 1, high-pressure air outside is input into the spraying gun shell 1 through the air pump pipeline 4 positioned on the spraying gun shell 1, and then the air pump air inlet valve outside is temporarily closed, the pressure in the coating gun shell 1 can be greatly increased, the coating can be discharged through the only initial opening end, namely the conveying discharging cavity 5, the material conveyed out through the conveying discharging cavity 5 is the operation of coating, wherein the discharging end part of the conveying discharging cavity 5 is porous, the uniform coating is convenient, the air pump pipeline 4 is only connected with an external air pump to provide impact force, the coating gun shell 1 is convenient to hold by hand to operate, if the effect of controlling a large amount of discharging can not be achieved under the control of a plurality of discharging holes 7, the condition that the end part of the conveying discharging cavity 6 leaks can be shielded by adjusting the lifting of a pair of folded shielding pieces 9 corresponding to the conveying discharging cavity 5 on the end surface of the coating gun shell 1, and the discharging condition can be controlled by assisting with the plurality of discharging holes 7, wherein each folded shielding piece 9 is lifted by the pushing of a plurality of pushing frames 15, each plurality of pushing frames 15 are connected with the corresponding rotating screw 13 through a horizontal frame 14, each rotating screw 13 is convenient to rotate in the corresponding fixed plate 8, as each fixed plate 8 is provided with an internal thread at the joint with the corresponding rotating screw 13, the lifting operation is carried out on the corresponding fixed plate 8 in the rotating process of each rotating screw 13, thereby driving each folded shielding piece 9 to move on the front end surface of the conveying discharging cavity 5 and facilitating the auxiliary adjustment of the discharging condition, wherein as the spherical valve body 6 is positioned in the spraying gun shell 1, the rotating handheld frame 11 positioned outside the spraying gun shell 1 can be rotated for convenient operation, the multi-claw connecting frame 10 connected with the rotating piece in the spherical valve body 6 is driven to rotate through the stretching rod 12, the rotation condition of the spherical valve body 6 is conveniently controlled by screwing the rotating handheld frame 11, wherein the stretching rod 12 is only used for connecting and simultaneously stretching different positions according to different operators, so that the rotation is more convenient, wherein the multi-claw connecting frame 10 is only used for connecting with the rotating piece and is convenient for simultaneously rotating for use, if only a through hole at the center of the rotating discharging cavity 5 is used for discharging, the circular shielding cover 16 can be embedded in a circular opening defined between the pair of folded shielding pieces 9, the circular groove on the outer side end face of the circular shielding cover 16 is convenient for mutually buckling the semicircular bulges on the inner side surface of each semicircular notch, so that the clamping is good, and as the plurality of pushing frames 15 push the folded shielding pieces 9 together, the pushing together at multiple positions is convenient, and the pushing is not deviated, make the spraying volume controllable, the operation of being convenient for, the contained angle between air pump pipeline 4 and the conveying play material chamber 5 is the obtuse angle for the direction of aerifing of air pump pipeline 4 and conveying play material chamber 5 between be the obtuse angle, the ejection of compact of being convenient for more, owing to only carry out the outside through a pair of book shape shielding part 9 at the discharge end and shelter from, relatively convenient during consequently clearance.

The embodiments of the present invention are written in a progressive manner, emphasizing the differences of the various embodiments, and similar parts can be referred to each other.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A spray gun capable of controlling spray amount comprises a spray gun shell (1) and is characterized in that, the spraying gun shell (1) comprises a feeding cavity (2), a feeding pipeline (3), a control mechanism, an air pump pipeline (4) and a conveying discharging cavity (5) from left to right in sequence, the feeding cavity (2) comprises a feeding end and a discharging end, the feeding end is connected with an external feeding pipe, the discharge end is connected with the feeding pipeline (3), the control mechanism is positioned on the feeding pipeline (3) and used for controlling the discharge amount, the air outlet end of the air pump pipeline (4) extends into the spraying gun shell (1) and is positioned between the control mechanism and the conveying discharging cavity (5), the part of the conveying discharging cavity (5) extends out of the spraying gun shell (1), an auxiliary control mechanism is arranged on one end face of the conveying discharging cavity (5) and positioned on the outer side of the spraying gun shell (1);

the control mechanism includes: the spraying gun comprises a spherical valve body (6), a plurality of discharge holes (7) and an extension part, wherein the spherical valve body (6) comprises a hemispherical rotating body and a rotating part, the plurality of discharge holes (7) are positioned on the hemispherical rotating body and are equidistantly positioned on the same horizontal line, and the extension part is positioned on the upper surface of the rotating part and penetrates through the upper surface of a spraying gun shell (1);

the auxiliary control mechanism includes: the conveying and discharging device comprises a pair of fixing plates (8), a pair of adjusting portions and a pair of folding shielding pieces (9), wherein the fixing plates (8) are fixedly connected to the outer side surface of the spraying gun shell (1) and located on two sides of the conveying and discharging cavity (5), the adjusting portions are evenly located on the fixing plates (8) and move on the fixing plates (8), the folding shielding pieces (9) are respectively fixedly connected to the end surfaces of the adjusting portions and move along with the adjusting portions, the discharging end of the conveying and discharging cavity (5) is a porous discharging end, and the inner side surface of the folding shielding pieces (9) is in lap joint with the discharging end surface of the conveying and discharging cavity (5).

2. A spray gun as claimed in claim 1, wherein said extension comprises: multijaw link (10), rotate handheld (11) and tensile pole (12), multijaw link (10) with rotate a surface connection, and be located inside spray gun shell (1), it is located to rotate handheld (11) multijaw link (10) top, and be located spray gun shell (1) is outside, tensile pole (12) are located multijaw link (10) with rotate between handheld (11), and it is along with to rotate handheld (11) the lift of tensile pole (12) is tensile goes up and down.

3. The coating gun as claimed in claim 1, wherein the adjusting part comprises: rotate screw rod (13), horizontal bracket (14) and a plurality of and promote frame (15), it runs through to rotate screw rod (13) fixed plate (8), just fixed plate (8) with it has the internal thread to rotate screw rod (13) junction processing, horizontal bracket (14) are located terminal surface under rotating screw rod (13), and along with the rotation of rotating screw rod (13) and remove, a plurality of it is located to promote frame (15) horizontal bracket (14) lower surface, and with it connects to roll over the shape shielding piece (9) up end.

4. A spray gun according to claim 1, characterized in that the outlet direction of the air pump pipe (4) forms an obtuse angle with the delivery outlet chamber (5).

5. The spraying gun capable of controlling the spraying amount according to claim 1, wherein a semicircular opening is formed in the center of the lower end surface of each zigzag-shaped shielding member (9), a semicircular protrusion is fixedly connected to the center of the inner side surface of each semicircular opening, a circular shielding cover (16) is arranged between the pair of semicircular openings, and a circular groove matched with the semicircular protrusion is formed in the center of the outer side surface of the circular shielding cover (16).