CN112958308A - Spray pen with convenient control of spraying amount - Google Patents
Spray pen with convenient control of spraying amount Download PDFInfo
- Publication number
- CN112958308A CN112958308A CN202110126686.9A CN202110126686A CN112958308A CN 112958308 A CN112958308 A CN 112958308A CN 202110126686 A CN202110126686 A CN 202110126686A CN 112958308 A CN112958308 A CN 112958308A
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- China
- Prior art keywords
- needle valve
- cavity
- pen
- rear end
- cover seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
- B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
- B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
- B05B1/306—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the actuating means being a fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
- B05B7/2478—Gun with a container which, in normal use, is located above the gun
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/22—Implements or apparatus for special techniques, e.g. for painting lines, for pouring varnish; Batik pencils
Landscapes
- Nozzles (AREA)
Abstract
The invention relates to a spray pen with convenient control of spraying amount, which comprises a handle body, wherein a front end opening, a pigment channel, a needle valve channel, a working cavity and a rear end cavity are formed in the handle body, a nozzle mechanism is arranged on the front end opening, a gas connecting head and a material cup are connected on the handle body, a rear shell is connected on the rear end of the handle body, a stroke cavity communicated with the rear end cavity is formed in the rear shell, a reset mechanism is fixedly arranged in the rear end cavity, a needle valve fixing sleeve seat is arranged on the reset mechanism, a needle valve is fixedly arranged on the needle valve fixing sleeve seat, a control rod capable of swinging back and forth is arranged in the working cavity, a swinging contact block on a swinging path of the control rod is arranged at the front end of the needle valve fixing sleeve seat, an adjustable limiting piece is arranged in the stroke cavity, and the distance between the adjustable limiting piece and the rear end of the needle valve fixing sleeve seat can be adjusted, the invention can facilitate the non-professional to control the spraying amount of the pigment.
Description
Technical Field
The invention relates to the technical field of spray pens, in particular to a spray pen with conveniently controlled spraying amount.
Background
The spray pen is a miniature spray gun commonly used in the art work, and has wide application in the fields of advertisement spray painting, fine handicraft manufacturing, human body beauty and nail care, make-up and drawing, etc., along with the rapid development of science and technology, the use of the spray pen is more and more specialized, in the operation of the existing spray pen, the needle valve is basically controlled to move back and forth by pulling a control rod above a handle body, when the needle valve retreats, the pigment is sprayed out from a nozzle, when the control rod is pulled to make the needle valve retreat more, the pigment is sprayed out from the nozzle more, but a non-professional person cannot easily control the sprayed amount, and particularly under the condition that less pigment is required to be sprayed all the time, the handling control is difficult.
Disclosure of Invention
The invention provides a spray pen with conveniently controlled spraying amount, which limits the backward movement distance of a needle valve through an adjustable limiting piece, thereby facilitating the control of non-professionals on the spraying amount of pigment and solving the problems existing in the use process in the prior art.
The technical scheme of the invention is realized as follows: the utility model provides a convenient spray pen of accuse of spouting volume, includes the handle body, it has front end opening, pigment passageway, needle valve passageway, work cavity and rear end cavity to open in proper order from the left hand right side in the handle body, front end opening, pigment passageway, needle valve passageway, work cavity and rear end cavity are linked together, be provided with nozzle mechanism on the front end opening, the downside of the handle body is connected with the head of admitting air, it has the gas passage that leads to front end opening from the head of admitting air to open in the handle body, the upside of the handle body is connected with the cup, it has the pigment entry that leads to the pigment passageway from the cup to open in the handle body, be connected with the back casing on the rear end of the handle body, have the communicating stroke cavity with the rear end cavity in the back casing, the fixed canceling release mechanism that is provided with of rear end cavity, the last needle valve fixing sleeve seat that is provided with of canceling release mechanism, the front end of the needle, the rear end of the fixed cover seat of needle valve extends to in the stroke cavity, the fixed needle valve that is provided with on the fixed cover seat of needle valve, the front end of needle valve loops through work cavity, needle valve passageway, pigment passageway forward and enters into and be used for carrying out start-stop control to nozzle mechanism on the nozzle mechanism, be equipped with the control lever that can carry out swing back and forth in the work cavity, the handle body is opened on the upside of work cavity has the swing opening, the upper end of control lever penetrates out the swing opening, the front end of the fixed cover seat of needle valve is equipped with the swing and supports the touch multitouch, the swing is supported the touch multitouch and is located the swing route of control lever rearward swing, be equipped with adjustable locating part in the stroke cavity, the distance of adjustable locating part and the fixed cover seat rear end of needle valve.
By adopting the technical scheme, when the invention is used for spray painting, the control rod is shifted backwards, the control rod can press the swinging contact block to drive the needle valve fixing sleeve seat to move backwards in the process of swinging backwards, and the needle valve is fixed on the needle valve fixing sleeve seat, so that the needle valve can move backwards along with the needle valve fixing sleeve seat, pigment is sprayed out of the nozzle mechanism, an adjustable limiting part is arranged in the stroke cavity, the distance between the adjustable limiting part and the rear end of the needle valve fixing sleeve seat can be adjusted according to the required pigment spraying amount, when the distance between the limiting part and the rear end of the needle valve fixing sleeve seat is shortened, the distance that the needle valve can be driven by the needle valve fixing sleeve seat to move backwards is small, and the pigment spraying amount of the nozzle mechanism is small, the invention is very convenient for non-professional personnel to control the spraying amount of the pigment.
The invention is further configured to: the tail end of the rear shell is provided with a threaded hole, the adjustable limiting part is in threaded connection with the threaded hole, the front end of the adjustable limiting part enters the stroke cavity forwards, and the front end of the adjustable limiting part corresponds to the rear end of the needle valve fixing sleeve seat.
Through adopting above-mentioned technical scheme, adjustable locating part threaded connection makes things convenient for it to adjust from beginning to end on the screw hole of rear housing tail end, consequently alright with the distance of the fixed cover seat rear end of front end and the needle valve of control adjustable locating part, this stable in structure is reliable, and it is convenient to adjust.
The invention is further configured to: reset mechanism is including cover seat and the spring resets, the cover seat that resets is fixed on the rear end cavity, the chamber that resets that has the opening towards the work cavity in the cover seat that resets, integrated into one piece has the slip convex seat on the anterior segment lateral wall of the fixed cover seat of needle valve, slip convex seat clearance fit is on the chamber that resets, the rear end of the fixed cover seat of needle valve penetrates the cover seat that resets backward, the spring setting is supported forward to slip convex seat formation in the chamber that resets.
Through adopting above-mentioned technical scheme, canceling release mechanical system can make the fixed cover seat of needle valve get back to on original position when the user loosens the control lever to drive the needle valve and resume sealed to nozzle mechanism again, wherein the cover seat that resets among the canceling release mechanical system is fixed on the rear end cavity, the fixed cover seat of needle valve can the front and back activity through the protruding seat that slides sets up at the intracavity that resets, the spring that resets the intracavity supports the protruding seat that slides, let the fixed cover seat of needle valve reset after the user loosens the control lever, moreover, the steam generator is simple in structure, the reset process is reliable and stable.
The invention is further configured to: open on the fixed cover seat of needle valve has the needle valve through-hole, the needle valve sets up on the needle valve through-hole, the tail end of the fixed cover seat of needle valve dwindles inwards and is the toper, it has the fluting that runs through its lateral wall to open on the tail end of the fixed cover seat of needle valve, threaded connection has the locking cap that is used for inwards extrudeing the fixed cover seat tail end of needle valve on the tail end of the fixed cover seat of needle valve.
Through adopting above-mentioned technical scheme, when installing the needle valve on the fixed cover seat of needle valve, only need insert the needle valve in the needle valve through-hole of the fixed cover seat of needle valve with the needle valve, then with the locking cap screw up on the tail end of the fixed cover seat of needle valve can, the locking cap can inwards extrude the fixed cover seat tail end of needle valve, thereby the tail end that makes the fixed cover seat of needle valve forms the extrusion to the needle valve and just produces the centre gripping to the needle valve, this structure is conveniently installed and is dismantled.
The invention is further configured to: the adjustable limiting part is provided with a needle valve placing hole, and the rear end of the needle valve penetrates through the fixing cap backwards to enter the needle valve placing hole.
By adopting the technical scheme, the rear end of the needle valve can be properly prolonged by adopting the structure, so that the needle valve is conveniently pulled out from the needle valve fixing sleeve seat when being detached, and the needle valve with the prolonged rear end cannot interfere with the adjustable limiting part.
The invention is further configured to: the position of the air receiving head is provided with a fixed block, the lower end of the control rod is hinged to the fixed block, and the needle valve penetrates through the control rod.
Through adopting above-mentioned technical scheme, the simple structure of control lever hinged joint on the fixed block is reliable to this structure makes the very easy quilt of control lever stir.
The invention is further configured to: the upper end of the control rod is connected with a button plate, and the upper side of the button plate is provided with an anti-slip stripe cambered surface.
By adopting the technical scheme, the button plate is convenient for fingers to be placed on the button plate, and the control rod can be controlled to swing backwards when the fingers are pressed on the anti-slip stripe cambered surface, so that the novel anti-slip button is labor-saving and convenient.
The invention is further configured to: the nozzle mechanism is including nozzle and shower nozzle, shower nozzle threaded connection is on the front end opening, the front end of shower nozzle is opened there is the gas outlet, the nozzle is spacing on the front end opening by the shower nozzle, the front end of nozzle is located the gas outlet, it has the discharge gate that communicates mutually with the pigment passageway to open on the nozzle, the discharge gate runs through the front end of nozzle, the needle valve cooperation sets up and forms sealedly to the discharge gate on the discharge gate, it has the air flue of intercommunication front end opening and gas outlet to open on the shower nozzle.
Through adopting above-mentioned technical scheme, compressed air enters into gas passage from connecing the gas head and then enters into in the front end opening, then enters into the gas outlet through the air flue on the shower nozzle and outwards leaves, and pigment then gets into pigment passageway from the material cup, reentrant the nozzle on the discharge gate, move backward when the needle valve, the discharge gate is opened, and pigment just flows from the discharge gate, because of compressed air blow off the reason from the gas outlet, just make pigment outwards spout, the air brushing is effectual.
The invention is further configured to: the spray head is connected with a spray head outer sleeve through threads.
By adopting the technical scheme, the outer sleeve of the spray head is used for controlling the spraying range and precision of the pigment, and the spray painting quality is enhanced.
The invention is further configured to: the needle valve passage is provided with a sealing guide sleeve, and the needle valve can be movably matched on the sealing guide sleeve in a front-back manner.
Through adopting above-mentioned technical scheme, sealed uide bushing can prevent that pigment from outwards revealing from the needle valve passageway, and is sealed effectual.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic structural view of a nozzle, a showerhead and a showerhead housing of the present invention;
FIG. 5 is a schematic view of the present invention with the rear housing removed and the locking cap exploded away;
FIG. 6 is a schematic view of the present invention with the handle, rear housing and cup removed.
In the figure: 1. a handle body; 11. the front end is open; 12. a paint channel; 13. a needle valve passage; 14. a working cavity; 15. a rear end cavity; 16. a gas channel; 17. a pigment inlet; 18. a swing opening; 21. a nozzle; 211. a discharge port; 22. a spray head; 221. an air outlet; 222. an airway; 23. a spray head outer sleeve; 3. a rear housing; 31. a stroke cavity; 32. a threaded hole; 41. a reset sleeve seat; 411. a reset chamber; 42. a spring; 5. a needle valve fixing sleeve seat; 51. a sliding boss; 52. a needle valve through hole; 53. grooving; 54. a fixing cap; 6. a needle valve; 71. a control lever; 72. swinging the contact block; 73. a fixed block; 74. a button plate; 75. an anti-skid stripe arc surface; 8. an adjustable limiting member; 81. a needle valve placing hole; 91. a gas receiving head; 92. a material cup; 93. and sealing the guide sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 6, the invention discloses a spray pen with conveniently controlled spraying amount, which comprises a handle body 1, wherein a front end opening 11, a pigment channel 12, a needle valve channel 13, a working cavity 14 and a rear end cavity 15 are sequentially arranged in the handle body 1 from left to right, the front end opening 11, the pigment channel 12, the needle valve channel 13, the working cavity 14 and the rear end cavity 15 are communicated, a nozzle mechanism is arranged on the front end opening 11, a gas receiving head 91 is connected to the lower side of the handle body 1, a gas channel 16 leading from the gas receiving head 91 to the front end opening 11 is arranged in the handle body 1, a material cup 92 is connected to the upper side of the handle body 1, a pigment inlet 17 leading from the material cup 92 to the pigment channel 12 is arranged in the handle body 1, a rear shell 23 is connected to the rear end of the handle body 1, a stroke cavity 31 communicated with the rear end cavity 15 is arranged in the rear shell 23, and a reset mechanism is fixedly arranged in the rear end cavity 15, the resetting mechanism is provided with a needle valve fixing sleeve seat 5, the front end of the needle valve fixing sleeve seat 5 is positioned in the working cavity 14, the rear end of the needle valve fixing sleeve seat 5 extends into the stroke cavity 31, a needle valve 6 is fixedly arranged on the needle valve fixing sleeve seat 5, the front end of the needle valve 6 passes through the working cavity 14, the needle valve channel 13 and the pigment channel 12 forwards and enters the nozzle mechanism to control the opening and closing of the nozzle mechanism, a control rod 71 which can swing back and forth is arranged in the working cavity 14, the handle body 1 is provided with a swing opening 18 on the upper side of the working cavity 14, the upper end of the control rod 71 penetrates through the swing opening 18, the front end of the needle valve fixing sleeve seat 5 is provided with a swing contact block 72 on the swing path of the control rod 71, an adjustable limiting part 8 is arranged in the stroke cavity 31, and the distance between the adjustable limiting part 8 and the rear end of the needle valve fixing sleeve seat 5 can be adjusted.
When the invention is used for spray painting, the control rod 71 is shifted backwards, the control rod 71 presses the swing contact block 72 to drive the needle valve fixing sleeve seat 5 to move backwards in the process of backwards swinging, the needle valve 6 is fixed on the needle valve fixing sleeve seat 5, so the needle valve 6 moves backwards along with the needle valve fixing sleeve seat 5, so that pigment is sprayed out of the nozzle mechanism, the adjustable limiting piece 8 is arranged in the stroke cavity 31, and the distance between the adjustable limiting piece 8 and the rear end of the needle valve fixing sleeve seat 5 can be adjusted, so the distance between the adjustable limiting piece 8 and the rear end of the needle valve fixing sleeve seat 5 can be adjusted according to the required pigment spraying amount, namely when the distance between the adjustable limiting piece 8 and the rear end of the needle valve fixing sleeve seat 5 is reduced, the distance that the needle valve fixing sleeve seat 5 can drive the needle valve 6 to move backwards is small, so the pigment spraying amount of the nozzle mechanism is small, the invention is very convenient for non-professional personnel to control the spraying amount of the pigment.
Wherein, open threaded hole 32 on the tail end of back casing 23, adjustable locating part 8 threaded connection is on threaded hole 32, adjustable locating part 8's front end enters into stroke cavity 31 forward, adjustable locating part 8's front end corresponds with the rear end of the fixed cover seat 5 of needle valve, and adjustable locating part 8 threaded connection is on the threaded hole 32 of back casing 23 tail end, makes things convenient for it to adjust around going on to adjust the distance of adjustable locating part 8 and the fixed cover seat 5 of needle valve, this stable in structure is reliable, and it is convenient to adjust.
In the present invention, the reset mechanism can make the needle valve fixing sleeve seat 5 return to the original position when the user releases the control rod 71, thereby driving the needle valve 6 to restore the sealing of the nozzle mechanism, the resetting mechanism comprises a resetting sleeve seat 41 and a spring 42, the reset sleeve seat 41 is fixed on the rear end cavity 15, the reset sleeve seat 41 is internally provided with a reset cavity 411 which is opened towards the working cavity 14, a sliding convex seat 51 is integrally formed on the side wall of the front section of the needle valve fixing sleeve seat 5, the sliding convex seat 51 is in clearance fit with the reset cavity 411, so that the needle valve fixing sleeve seat 5 can reliably and stably move back and forth in the reset sleeve seat 41, the rear end of the needle valve fixing sleeve seat 5 penetrates through the reset sleeve seat 41 backwards, the spring 42 is arranged in the reset cavity 411 and supports the sliding convex seat 51 forwards, and the spring 42 can push the needle valve fixing sleeve seat 5 to reset after a user loosens the control rod 71.
The needle valve 6 is fixed on the needle valve fixing sleeve seat 5 in the following way: open needle valve through-hole 52 on needle valve fixed sleeve seat 5, needle valve 6 sets up on needle valve through-hole 52, the tail end of needle valve fixed sleeve seat 5 dwindles inwards and is the toper, it has the fluting 53 that runs through its lateral wall to open on the tail end of needle valve fixed sleeve seat 5, threaded connection has the locking cap 54 that is used for inwards extrudeing the fixed sleeve seat 5 tail end of needle valve on the tail end of needle valve fixed sleeve seat 5, when installing needle valve 6 on needle valve fixed sleeve seat 5, only need insert needle valve 6 in the needle valve through-hole 52 of needle valve fixed sleeve seat 5, then tighten locking cap 54 on the tail end of needle valve fixed sleeve seat 5 can, locking cap 54 can inwards extrude the fixed sleeve seat 5 tail end of needle valve, thereby the tail end that makes needle valve fixed sleeve seat 5 forms the extrusion to needle valve 6 and just produces the centre gripping to needle valve 6, and this structure is conveniently installed and is dismantled.
In the present invention, the needle valve placing hole 81 is opened on the adjustable limiting member 8, and the rear end of the needle valve 6 passes through the fixing cap 54 backwards and enters into the needle valve placing hole 81, with this structure, the rear end of the needle valve 6 can be extended properly, so that the needle valve 6 can be conveniently pulled out from the needle valve fixing sleeve seat 5 during disassembly, and the needle valve 6 extended at the rear end does not interfere with the adjustable limiting member 8.
The connection of the control rod 71 in the working cavity 14, which can be pivoted back and forth, is: be equipped with fixed block 73 in the position of connector 91, the lower extreme hinged joint of control lever 71 is on fixed block 73, and is reliable and stable, is stirred easily, needle valve 6 passes from control lever 71, can not form interference to control lever 71.
In order to enable a user to easily stir the control rod 71 by using a hand, the upper end of the control rod 71 is connected with a button plate 74, the upper side of the button plate 74 is provided with an anti-slip stripe cambered surface 75, and the user can control the control rod 71 to swing backwards by pressing fingers on the anti-slip stripe cambered surface 75, so that the labor is saved and the convenience is realized.
In the invention, the nozzle mechanism comprises a nozzle 21 and a nozzle 22, the nozzle 22 is connected on a front end opening 11 in a threaded manner, the front end of the nozzle 22 is provided with an air outlet 221, the nozzle 21 is limited on the front end opening 11 by the nozzle 22, the front end of the nozzle 21 is positioned on the air outlet 221, the nozzle 21 is provided with an outlet 211 communicated with a pigment channel 12, the outlet 211 penetrates through the front end of the nozzle 21, the needle valve 6 is arranged on the outlet 211 in a matching manner to seal the outlet 211, the nozzle 22 is provided with an air channel 222 communicated with the front end opening 11 and the air outlet 221, when spray painting is carried out, compressed air enters the air channel 16 from the air receiving head 91 and then enters the front end opening 11, then enters the air outlet 221 through the air channel 222 on the nozzle 22 and leaves outwards, pigment enters the pigment channel 12 from the cup 92 and then enters the outlet 211 of the nozzle 21, when the needle valve 6 moves backwards, the discharge hole 211 is opened, the pigment flows out from the discharge hole 211, and the pigment is sprayed outwards due to the fact that the compressed air is blown out from the air outlet 221, and the painting effect is good.
In addition, the nozzle 22 is connected with a nozzle outer sleeve 23 through threads, and the nozzle outer sleeve 23 is used for controlling the range and the accuracy of pigment spraying, so that the spraying quality is enhanced.
In the invention, the needle valve channel 13 is provided with the sealing guide sleeve 93, the needle valve 6 can be movably matched on the sealing guide sleeve 93 in a front-back manner, the sealing guide sleeve 93 can prevent pigment from leaking outwards from the needle valve channel 13, and the sealing effect is good.
Meanwhile, the invention also points out terms such as: the terms "front," "back," "vertical," "horizontal," and the like, as used herein, are intended to refer to an orientation or positional relationship as shown in the drawings for convenience in describing the invention and in order to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A spray pen with conveniently controlled spraying amount comprises a handle body (1), and is characterized in that: the paint spraying device is characterized in that a front end opening (11), a paint channel (12), a needle valve channel (13), a working cavity (14) and a rear end cavity (15) are sequentially formed in the handle body (1) from left to right, the front end opening (11), the paint channel (12), the needle valve channel (13), the working cavity (14) and the rear end cavity (15) are communicated, a nozzle mechanism is arranged on the front end opening (11), a gas receiving head (91) is connected to the lower side of the handle body (1), a gas channel (16) leading to the front end opening (11) from the gas receiving head (91) is formed in the handle body (1), a material cup (92) is connected to the upper side of the handle body (1), a paint inlet (17) leading to the paint channel (12) from the material cup (92) is formed in the handle body (1), a rear shell (23) is connected to the rear end of the handle body (1), and a stroke cavity (31) communicated with the rear end cavity (15) is formed in the rear shell (23), the utility model discloses a nozzle mechanism, including rear end cavity (15), rear end cavity (15) internal fixation is provided with canceling release mechanical system, the last fixed cover seat of needle valve (5) that is provided with of canceling release mechanical system, the front end of the fixed cover seat of needle valve (5) is located work cavity (14), the rear end of the fixed cover seat of needle valve (5) extends to in stroke cavity (31), fixed needle valve (6) that is provided with on the fixed cover seat of needle valve (5), the front end of needle valve (6) loops through work cavity (14), needle valve passageway (13), pigment passageway (12) forward and is used for opening and close control to nozzle mechanism on entering into nozzle mechanism, be equipped with in work cavity (14) and carry out swing back control lever (71), handle body (1) is opened swing opening (18) on the upside of work cavity (14), the upper end of control lever (71) pierces through swing opening (18), the front end of the fixed cover seat of needle valve (5) is equipped with the swing and supports touch piece (72), the swing contact block (72) is located on a swing path of the control rod (71) swinging backwards, an adjustable limiting piece (8) is arranged in the stroke cavity (31), and the distance between the adjustable limiting piece (8) and the rear end of the needle valve fixing sleeve seat (5) can be adjusted.
2. A pen as claimed in claim 1, wherein the pen is adapted to facilitate control of discharge amount: open threaded hole (32) on the tail end of back casing (23), adjustable locating part (8) threaded connection is on threaded hole (32), enter into stroke cavity (31) forward in the front end of adjustable locating part (8), the front end of adjustable locating part (8) corresponds with the rear end of the fixed cover seat of needle valve (5).
3. A pen as claimed in claim 2, wherein the pen is adapted to facilitate control of discharge amount: reset mechanism is including cover seat (41) and spring (42) reset, cover seat (41) reset is fixed on rear end cavity (15), reset chamber (411) that have the opening towards work cavity (14) in cover seat (41) reset, integrated into one piece has slip convex seat (51) on the anterior segment lateral wall of the fixed cover seat of needle valve (5), slip convex seat (51) clearance fit is on chamber (411) resets, the rear end of the fixed cover seat of needle valve (5) penetrates out cover seat (41) that resets backward, spring (42) set up and support holding to slip convex seat (51) formation forward in chamber (411) resets.
4. A pen as claimed in claim 3, wherein the pen is adapted to facilitate control of discharge amount: open on needle valve fixed cover seat (5) has needle valve through-hole (52), needle valve (6) set up on needle valve through-hole (52), the tail end of needle valve fixed cover seat (5) dwindles inwards and is the toper, it has fluting (53) of running through its lateral wall to open on the tail end of needle valve fixed cover seat (5), threaded connection has on the tail end of needle valve fixed cover seat (5) and is used for inwards extrudeing locking cap (54) of needle valve fixed cover seat (5) tail end.
5. A pen as claimed in claim 4, wherein the pen further comprises: the adjustable limiting piece (8) is provided with a needle valve placing hole (81), and the rear end of the needle valve (6) penetrates through the fixing cap (54) backwards to enter the needle valve placing hole (81).
6. A pen as claimed in claim 1, wherein the pen is adapted to facilitate control of discharge amount: be equipped with fixed block (73) on the position of air-receiving head (91), the lower extreme hinged joint of control lever (71) is on fixed block (73), needle valve (6) are followed control lever (71) and are passed.
7. A pen as claimed in claim 6, wherein the pen is adapted to facilitate control of discharge quantity: the upper end of the control rod (71) is connected with a button plate (74), and the upper side of the button plate (74) is provided with an anti-slip stripe cambered surface (75).
8. A pen as claimed in claim 1, wherein the pen is adapted to facilitate control of discharge amount: nozzle mechanism is including nozzle (21) and shower nozzle (22), shower nozzle (22) threaded connection is on front end opening (11), open the front end of shower nozzle (22) has gas outlet (221), nozzle (21) are spacing on front end opening (11) by shower nozzle (22), the front end of nozzle (21) is located gas outlet (221), it has discharge gate (211) of putting through mutually with pigment passageway (12) to open on nozzle (21), discharge gate (211) run through the front end of nozzle (21), needle valve (6) cooperation sets up and forms sealedly to discharge gate (211) on discharge gate (211), open on shower nozzle (22) and communicate front end opening (11) and gas outlet (221) air flue (222).
9. A pen as claimed in claim 8, wherein the pen is adapted to facilitate control of the discharge amount by: the spray head (22) is connected with a spray head outer sleeve (23) through threads.
10. A pen as claimed in claim 1, wherein the pen is adapted to facilitate control of discharge amount: be equipped with sealed uide bushing (93) on needle valve passageway (13), the cooperation that needle valve (6) can be around activity is on sealed uide bushing (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110126686.9A CN112958308A (en) | 2021-01-29 | 2021-01-29 | Spray pen with convenient control of spraying amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110126686.9A CN112958308A (en) | 2021-01-29 | 2021-01-29 | Spray pen with convenient control of spraying amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112958308A true CN112958308A (en) | 2021-06-15 |
Family
ID=76272154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110126686.9A Pending CN112958308A (en) | 2021-01-29 | 2021-01-29 | Spray pen with convenient control of spraying amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112958308A (en) |
-
2021
- 2021-01-29 CN CN202110126686.9A patent/CN112958308A/en active Pending
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