CN212596508U - Spray gun with pressure boost function - Google Patents
Spray gun with pressure boost function Download PDFInfo
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- CN212596508U CN212596508U CN202021110295.5U CN202021110295U CN212596508U CN 212596508 U CN212596508 U CN 212596508U CN 202021110295 U CN202021110295 U CN 202021110295U CN 212596508 U CN212596508 U CN 212596508U
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- pressurizing
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Abstract
A spray gun with a pressurizing function comprises a gun body, an atomizing spray head arranged at the left end of the gun body and a gun handle arranged on the lower side of the right end of the gun body, wherein an air inlet joint is arranged at the lower end of the gun handle; the limiting step is provided with an auxiliary sleeve which is attached to the limiting step, and the inner diameter of the auxiliary sleeve is larger than the diameter of the amplitude rod; a pressurizing sleeve is arranged in the right part of the air passage in a screwed mode. The utility model discloses a spray gun with pressure boost function can be when compressed gas flows through the air flue, to the further pressure boost of compressed gas, guarantees compressed gas's atmospheric pressure in the at utmost and can thoroughly break up the atomizing with paint, effectively guarantees the spraying quality of spray gun.
Description
Technical Field
The utility model relates to a spray gun, especially a spray gun with pressure boost function.
Background
The spray gun is an utilize compressed gas to break up the spraying device that the atomizing realized spraying work with spun paint, the spraying quality of spray gun mainly depends on the atomizing degree of paint, and the atomizing degree of paint then relies on compressed gas's atmospheric pressure, if compressed gas's atmospheric pressure is not enough, then can't thoroughly break up paint, lead to the atomizing thoroughly, thereby lead to the spraying inhomogeneous, and in the in-service use process, no matter be because the atmospheric pressure is not enough during the spraying or the atmospheric pressure that comes from the compressed gas of air supply itself can't be with the paint thorough atomization, all there is the not enough not good problem of spraying quality that leads to of paint atomization.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a spray gun with pressure boost function, it can be when compressed gas flows through the air flue, to compressed gas further pressure boost, guarantees compressed gas's atmospheric pressure in the at utmost and can thoroughly break up the atomizing with paint, effectively guarantees the spraying quality of spray gun.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a spray gun with pressure boost function, including the rifle body, locate the atomizer of rifle body left end and locate the stock of rifle body right-hand member downside, the stock lower extreme is equipped with air inlet joint, is equipped with the chamber of admitting air in the stock, the internal air flue that link up mutually with the chamber of admitting air that is equipped with of rifle, the air flue left end link up mutually with atomizer, air flue left end port spiro union has range seat, be equipped with on the range seat rather than assorted amplitude bar, the amplitude bar left end blocks up air flue left end port and seals its characterized in that: the middle part of the air passage is provided with an annular limiting step; the limiting step is provided with an auxiliary sleeve which is attached to the limiting step, and the inner diameter of the auxiliary sleeve is larger than the diameter of the amplitude rod; a pressurizing sleeve is arranged in the right part of the air passage in a screwed manner, and the auxiliary sleeve is tightly pressed on the limiting step by the pressurizing sleeve; the inner hole of the pressurizing sleeve is in a funnel shape with a narrow left end and a wide right end, and the inner diameter of the left end of the pressurizing sleeve is larger than the diameter of the amplitude rod; the inner wall of the left end of the pressurizing sleeve is provided with an annular rotating groove; a rotating sleeve matched with the rotating groove is arranged in the rotating groove, and the inner diameter of the rotating sleeve is larger than the diameter of the amplitude rod; a plurality of uniformly distributed stirring sheets are arranged on the inner wall of the rotating sleeve, and a rotating gap is formed between the inner ends of the stirring sheets and the outer wall of the amplitude rod; the right end face of the rotating sleeve is provided with an annular groove; a plurality of pushing pieces which are uniformly distributed in the circumference are arranged in the groove; the right end face of the pressurizing sleeve is provided with a plurality of air inlets which are uniformly distributed in the circumferential direction, and the left end ports of the air inlets are communicated with the grooves.
The peripheral surface of the rotating sleeve is provided with a plurality of first spherical grooves which are uniformly distributed; and a first ball matched with the first spherical groove is arranged in the first spherical groove, and one end of the first ball protrudes out of the first spherical groove and is contacted with the bottom of the rotary groove.
The inner wall of the auxiliary sleeve is provided with a spiral inner pressurizing groove, and the outer wall of the part of the amplitude rod corresponding to the position of the auxiliary sleeve is provided with a spiral outer pressurizing groove; the spiral track of the inner supercharging groove is consistent with the spiral track of the outer supercharging groove.
An annular rubber pad is arranged between the pressurizing sleeve and the auxiliary sleeve.
The part of the amplitude rod, which is positioned in the right part of the pressurizing sleeve, is provided with an annular movable groove; a movable sleeve matched with the movable groove is arranged in the movable groove; the middle part of the outer peripheral surface of the movable sleeve is provided with a plurality of connecting rings which are uniformly distributed in the circumferential direction; the connecting ring is connected with a pull rope; one end of the pull rope is connected with a stirring ball which is not contacted with the inner wall of the inner hole of the pressurizing sleeve; the outer peripheral surface of the movable sleeve is provided with a plurality of blocking pieces which are uniformly distributed in the circumferential direction.
A plurality of second spherical grooves which are uniformly distributed are formed in the inner wall of the movable sleeve; and a second ball matched with the second spherical groove is arranged in the second spherical groove, and one end of the second ball protrudes out of the second spherical groove and is contacted with the bottom of the movable groove.
The utility model has the advantages that:
compared with the prior art, adopt the utility model discloses the stirring piece that has the spray gun accessible pressure boost cover of pressure boost function and on the rotary sleeve of structure forms the multichannel pressure boost, can carry out automatic pressure boost to the compressed gas who flows to atomizer from the air flue, even original compressed gas atmospheric pressure is unsatisfied to atomize required, after automatic pressure boost, also can guarantee finally to follow atomizer spun compressed gas and can thoroughly atomize paint to effectively guarantee the spraying quality.
Drawings
FIG. 1 is a schematic structural view of a pressurized spray gun according to the present invention;
FIG. 2 is a schematic view of a partial structure of the pressurizing spray gun of the present invention;
FIG. 3 is an enlarged view of section A of FIG. 2;
fig. 4 is an enlarged view of a portion B of fig. 2.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 4, the utility model provides a spray gun with pressure boosting function, including the rifle body 1, locate the atomizer 2 of the rifle body 1 left end and locate the stock 3 of the rifle body 1 right-hand member downside, the lower extreme of the stock 3 is equipped with air inlet connector 4, be equipped with air inlet cavity 5 in the stock 3, be equipped with the air flue 6 that link up with air inlet cavity 5 in the rifle body 1, the air flue 6 left end links up with the atomizer 2, the air flue 6 left end port spiro union has amplitude seat 7, be equipped with amplitude rod 8 rather than assorted on the amplitude seat 7, amplitude rod 8 left end blocks up the air flue 6 left end port and seals, the air flue 6 middle part is equipped with a spacing step 9 that is annular; an auxiliary sleeve 10 attached to the limiting step 9 is arranged on the limiting step 9, and the inner diameter of the auxiliary sleeve 10 is larger than the diameter of the amplitude rod 8; a pressurizing sleeve 11 is screwed in the right part of the air passage 6, and the auxiliary sleeve 10 is tightly pressed on the limiting step 9 by the pressurizing sleeve 11; the inner hole of the pressurizing sleeve 11 is in a funnel shape with a narrow left part and a wide right part, and the inner diameter of the left end of the pressurizing sleeve 11 is larger than the diameter of the amplitude rod 8; the inner wall of the left end of the pressurizing sleeve 11 is provided with an annular rotating groove 12; a rotating sleeve 13 matched with the rotating groove 12 is arranged in the rotating groove 12, and the inner diameter of the rotating sleeve 13 is larger than the diameter of the amplitude rod 8; a plurality of uniformly distributed poking sheets 14 are arranged on the inner wall of the rotating sleeve 13, and a rotating gap 15 is formed between the inner ends of the poking sheets 14 and the outer wall of the amplitude rod 8; the right end face of the rotating sleeve 13 is provided with an annular groove 16; a plurality of pushing pieces 17 which are uniformly distributed in the circumference are arranged in the groove 16; the right end face of the pressure increasing sleeve 11 is provided with a plurality of air inlet holes 18 which are evenly distributed on the circumference, and the left end ports of the air inlet holes 18 are communicated with the groove 16.
A plurality of first spherical grooves 19 which are uniformly distributed are formed in the peripheral surface of the rotating sleeve 13; a first ball 20 matched with the first ball groove 19 is arranged in the first ball groove 19, and one end of the first ball 20 protrudes out of the first ball groove 19 and is contacted with the bottom of the rotating groove 12.
The inner wall of the auxiliary sleeve 10 is provided with a spiral inner pressurizing groove 21, and the outer wall of the part of the amplitude rod 8 corresponding to the position of the auxiliary sleeve 10 is provided with a spiral outer pressurizing groove 22; the spiral track of the inner plenum groove 21 coincides with the spiral track of the outer plenum groove 22.
An annular rubber pad 23 is arranged between the pressurizing sleeve 11 and the auxiliary sleeve 10.
The part of the amplitude rod 8 positioned in the right part of the pressurizing sleeve 11 is provided with an annular movable groove 24; a movable sleeve 25 matched with the movable groove 24 is arranged in the movable groove; a plurality of connecting rings 26 which are uniformly distributed in the circumferential direction are arranged in the middle of the outer circumferential surface of the movable sleeve 25; the connecting ring 26 is connected with a pull rope 27; one end of the pull rope 27 is connected with a stirring ball 28, and the stirring ball 28 is not contacted with the inner wall of the inner hole of the pressurizing sleeve 11; the outer peripheral surface of the movable sleeve 25 is provided with a plurality of baffle sheets 29 which are uniformly distributed in the circumferential direction.
A plurality of second spherical grooves 30 which are uniformly distributed are formed in the inner wall of the movable sleeve 25; a second ball 31 matched with the second spherical groove 30 is arranged in the second spherical groove 30, and one end of the second ball 31 protrudes out of the second spherical groove 30 and is contacted with the bottom of the movable groove 24.
The utility model discloses a use method as follows:
when the spray gun is used, compressed gas of an air source at the left end of the amplitude rod 8 can enter the air inlet cavity 5 through the air inlet connector 4 and then enters the air passage 6, and finally is sprayed out from the atomizing nozzle 2, and paint sprayed out from other spray holes is scattered and atomized to finish spraying work.
When compressed gas flows to the atomizer 2 through the air passage, the compressed gas firstly enters the inner hole of the pressurizing sleeve 11, the inner hole of the pressurizing sleeve 11 is narrow at the left side and wide at the right side, the inner diameter of the pressurizing sleeve 11 is smaller towards the left side, the pressurizing sleeve 11 can continuously extrude the compressed gas flowing to the atomizer 2 towards the left side through the inner diameter which is continuously narrowed, the compressed gas flowing through the inner hole of the pressurizing sleeve 11 is continuously compressed, the pressurizing effect is achieved, the pressurized compressed gas can flow out of the left end port of the pressurizing sleeve 11 and then passes through the rotating sleeve 13, the pressurized compressed gas can impact the stirring sheet 14 at the moment, the impacted stirring sheet 14 can generate stirring force, and the rotating sleeve 13 is stirred, so that the rotating sleeve 13 rotates along the track of the rotating groove 12.
When compressed gas enters an inner hole of the pressurizing sleeve 11 through a port at the right end of the pressurizing sleeve 11, a part of the compressed gas enters the gas inlet hole 18 through an orifice at the right end of the gas inlet hole 18 and finally rushes into the groove 16, because the plurality of pushing sheets 17 which are uniformly distributed on the circumference are arranged in the groove 16, the gas pressure in the groove 16 is continuously increased under the condition that the subsequent compressed gas continuously enters the groove 16, at the moment, the pushing sheets which divide the groove 16 into a plurality of chambers which are uniformly distributed on the circumference are extruded by the pushing sheets 17 under the action of the gas pressure, so that the rotating sleeve is further driven to rotate, when the rotating sleeve 13 rotates rapidly, the poking sheets 14 rotate rapidly therewith, when the plurality of poking sheets 14 which are uniformly distributed on the circumference rotate rapidly, the gas flow can be pushed like a fan, and the compressed gas pressurized by the pressurizing sleeve 11 is further and rapidly pushed to the direction of the atomizing nozzle 2, the effect of repressurization is achieved.
In conclusion, the utility model discloses the stirring piece 14 on accessible pressure boost cover 11 and the rotating sleeve 13 forms the multichannel pressure boost, can carry out automatic pressure boost to the compressed gas who flows to atomizer 2 from the air flue, even original compressed gas atmospheric pressure is unsatisfied to atomize required, after automatic pressure boost, also can guarantee finally to carry out thorough atomization to paint from atomizer 2 spun compressed gas to effectively guarantee the spraying quality.
The outer peripheral face of the rotating sleeve 13 is provided with a plurality of first ball grooves 19 which are uniformly distributed, first balls 20 matched with the first ball grooves are arranged in the first ball grooves 19, one ends of the first balls 20 protrude out of the first ball grooves 19 and are in contact with the bottoms of the rotating grooves 12, friction force between the outer peripheral face of the rotating sleeve 13 and the bottoms of the rotating grooves 12 can be effectively reduced due to the existence of the first balls 20, when the rotating sleeve 13 rotates, the first balls 20 rotate accordingly, smoothness of the rotating sleeve 13 during rotation can be effectively improved, and therefore the effect of the stirring sheet 14 on pushing and pressurizing compressed gas is improved.
The inner wall of the auxiliary sleeve 10 is provided with an inner spiral pressurizing groove 21, the outer wall of the position corresponding to the position of the amplitude rod 8 and the auxiliary sleeve 10 is provided with an outer spiral pressurizing groove 22, compressed gas flowing through the inner hole of the pressurizing sleeve 11 can enter a gap between the inner wall of the auxiliary sleeve 10 and the outer wall of the amplitude rod 8 for the first time, the compressed gas can be guided by the inner pressurizing groove 21 and the outer pressurizing groove 22 at the moment, the compressed gas is made to continuously flow towards the atomizing nozzle along a spiral track, the flow rate of the compressed gas flowing spirally can be further improved, the pressurizing effect is achieved again, the spiral track of the inner pressurizing groove 21 is consistent with that of the outer pressurizing groove 22, the inner pressurizing groove 21 and the outer pressurizing groove 22 can be matched with each other, and the pressurizing effect is guaranteed to the maximum extent.
An annular rubber pad 23 is arranged between the pressurizing sleeve 11 and the auxiliary sleeve 10, the existence of the rubber pad 23 can effectively improve the sealing performance between the left end face of the pressurizing sleeve 11 and the right end face of the auxiliary sleeve 10, and the condition that the pressurizing effect is influenced by the leakage of the pressurized part of compressed gas is effectively avoided.
The part of the amplitude rod 8 positioned in the right part of the pressurizing sleeve 11 is provided with an annular movable groove 24, the movable groove 24 is internally provided with a movable sleeve 25 matched with the movable groove, the middle part of the outer peripheral surface of the movable sleeve 25 is provided with a plurality of connecting rings 26 which are uniformly distributed in the circumferential direction, the connecting rings 26 are connected with pull ropes 27, one end of each pull rope 27 is connected with a stirring ball 28, the stirring ball 28 is not contacted with the inner wall of the inner hole of the pressurizing sleeve 11, the outer peripheral surface of the movable sleeve 25 is provided with a plurality of blocking pieces 29, when the compressed gas enters the inner hole of the pressurizing sleeve 11, a part of the compressed gas will impact on the baffle 29, the impacted baffle will drive the movable sleeve 25 to rotate along the track of the movable slot 24, when the movable sleeve 25 rotates, centrifugal force is generated to rotate the mixing ball 28 outwardly to form a rotating fan again, which pushes the flowing compressed gas again to achieve the effect of increasing pressure again.
The inner wall of the movable sleeve 25 is provided with a plurality of second spherical grooves 30 which are uniformly distributed, second balls 31 matched with the second spherical grooves are arranged in the second spherical grooves 30, one ends of the second balls 31 protrude out of the second spherical grooves 30 and contact with the bottoms of the movable grooves 24, the second balls 31 can effectively reduce the friction force between the inner wall of the movable sleeve 25 and the bottoms of the movable grooves 24, the smoothness of the movable sleeve 25 during rotation is effectively improved, the strength of the movable sleeve during pushing compressed gas is improved, and the supercharging effect is improved.
Claims (6)
1. The utility model provides a spray gun with pressure boost function, includes the rifle body, locate the atomizer of rifle body left end and locate the stock of rifle body right-hand member downside, the stock lower extreme is equipped with air inlet joint, is equipped with the chamber of admitting air in the stock, the internal air flue that link up mutually with the chamber of admitting air that is equipped with of rifle, the air flue left end link up mutually with atomizer, air flue left end port spiro union has range seat, be equipped with on the range seat rather than assorted amplitude rod, the amplitude rod left end blocks up air flue left end port sealed, its characterized in that: the middle part of the air passage is provided with an annular limiting step; the limiting step is provided with an auxiliary sleeve which is attached to the limiting step, and the inner diameter of the auxiliary sleeve is larger than the diameter of the amplitude rod; a pressurizing sleeve is arranged in the right part of the air passage in a screwed manner, and the auxiliary sleeve is tightly pressed on the limiting step by the pressurizing sleeve; the inner hole of the pressurizing sleeve is in a funnel shape with a narrow left end and a wide right end, and the inner diameter of the left end of the pressurizing sleeve is larger than the diameter of the amplitude rod; the inner wall of the left end of the pressurizing sleeve is provided with an annular rotating groove; a rotating sleeve matched with the rotating groove is arranged in the rotating groove, and the inner diameter of the rotating sleeve is larger than the diameter of the amplitude rod; a plurality of uniformly distributed stirring sheets are arranged on the inner wall of the rotating sleeve, and a rotating gap is formed between the inner ends of the stirring sheets and the outer wall of the amplitude rod; the right end face of the rotating sleeve is provided with an annular groove; a plurality of pushing pieces which are uniformly distributed in the circumference are arranged in the groove; the right end face of the pressurizing sleeve is provided with a plurality of air inlets which are uniformly distributed in the circumferential direction, and the left end ports of the air inlets are communicated with the grooves.
2. The spray gun with pressurization function according to claim 1, characterized in that: the peripheral surface of the rotating sleeve is provided with a plurality of first spherical grooves which are uniformly distributed; and a first ball matched with the first spherical groove is arranged in the first spherical groove, and one end of the first ball protrudes out of the first spherical groove and is contacted with the bottom of the rotary groove.
3. The spray gun with pressurization function according to claim 1, characterized in that: the inner wall of the auxiliary sleeve is provided with a spiral inner pressurizing groove, and the outer wall of the part of the amplitude rod corresponding to the position of the auxiliary sleeve is provided with a spiral outer pressurizing groove; the spiral track of the inner supercharging groove is consistent with the spiral track of the outer supercharging groove.
4. The spray gun with pressurization function according to claim 1, characterized in that: an annular rubber pad is arranged between the pressurizing sleeve and the auxiliary sleeve.
5. The spray gun with pressurization function according to claim 1, characterized in that: the part of the amplitude rod, which is positioned in the right part of the pressurizing sleeve, is provided with an annular movable groove; a movable sleeve matched with the movable groove is arranged in the movable groove; the middle part of the outer peripheral surface of the movable sleeve is provided with a plurality of connecting rings which are uniformly distributed in the circumferential direction; the connecting ring is connected with a pull rope; one end of the pull rope is connected with a stirring ball which is not contacted with the inner wall of the inner hole of the pressurizing sleeve; the outer peripheral surface of the movable sleeve is provided with a plurality of blocking pieces which are uniformly distributed in the circumferential direction.
6. The spray gun with a pressurization function according to claim 5, characterized in that: a plurality of second spherical grooves which are uniformly distributed are formed in the inner wall of the movable sleeve; and a second ball matched with the second spherical groove is arranged in the second spherical groove, and one end of the second ball protrudes out of the second spherical groove and is contacted with the bottom of the movable groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110295.5U CN212596508U (en) | 2020-06-16 | 2020-06-16 | Spray gun with pressure boost function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110295.5U CN212596508U (en) | 2020-06-16 | 2020-06-16 | Spray gun with pressure boost function |
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| Publication Number | Publication Date |
|---|---|
| CN212596508U true CN212596508U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021110295.5U Active CN212596508U (en) | 2020-06-16 | 2020-06-16 | Spray gun with pressure boost function |
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| CN (1) | CN212596508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020137A (en) * | 2021-03-03 | 2021-06-25 | 方正晖 | Steel pipe greasy dirt cleaning device with waste oil stain cleaning agent |
-
2020
- 2020-06-16 CN CN202021110295.5U patent/CN212596508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020137A (en) * | 2021-03-03 | 2021-06-25 | 方正晖 | Steel pipe greasy dirt cleaning device with waste oil stain cleaning agent |
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