CN113546781B - One-way valve and air supply cooperative spray gun - Google Patents
One-way valve and air supply cooperative spray gun Download PDFInfo
- Publication number
- CN113546781B CN113546781B CN202110797464.XA CN202110797464A CN113546781B CN 113546781 B CN113546781 B CN 113546781B CN 202110797464 A CN202110797464 A CN 202110797464A CN 113546781 B CN113546781 B CN 113546781B
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- Prior art keywords
- valve core
- valve
- seat
- hole
- plate
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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
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1009—Piston pumps actuated by a lever
- B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
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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
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
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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
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0037—Containers
- B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
- B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
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Abstract
A spray gun with a one-way valve and air supply in cooperation comprises a shell, a base frame, a piston, a wrench, a screw thread, a valve body, a valve core and a sealing gasket, wherein the valve core body of the valve core is matched with a valve core seat, and a circular base plate supports a circular base plate; the air outlet interface is inserted into the cylindrical sleeve core to form a liquid outlet valve, the inserting sleeve is inserted into the annular inserting groove, the liquid outlet cavity is inserted into the connecting seat, the valve core passes through the through hole on the screw thread, the annular seat plate on the radial outer side of the connecting seat is attached to the top plate of the screw thread, and the connecting seat is connected with the base frame; the sealing gasket is sleeved on the valve core cavity and is attached to the annular seat plate, and the central hole of the sealing gasket is communicated with the air guide hole. By adopting the structure, the air supply and the liquid discharge are cooperated, the sealing performance is good, and the injection speed is high.
Description
Technical Field
The present invention relates to liquid spray guns.
Background
In the prior art, chinese patent No. 202021409590.0 discloses a spray gun, which comprises a gun body, wherein a liquid spraying channel and a liquid pressing channel which are communicated with each other are arranged in the gun body; the nozzle part comprises a pressure chamber part, the pressure chamber part comprises a piston cylinder body, a pressure chamber and a piston, the piston is arranged in the pressure chamber in a sliding and sealing mode, and the pumping action of the spray gun is realized through the air pressure change in the pressure chamber; the piston is provided with an air hole from the outer part to the middle part of the piston along the axial direction; the liquid communicating part is internally provided with an opening and closing device. There are problems: the structure is complicated, and the assembly is inconvenient.
Disclosure of Invention
The purpose of the invention is: the spray gun with the cooperation of the check valve and the air supply has the characteristics of simple structure, convenience in assembly, good sealing performance and long spraying distance.
The invention is realized in the following way: the utility model provides a check valve and collaborative spray gun of tonifying qi, includes shell, bed frame, piston, spanner and thread, and the bed frame includes liquid inlet pipeline, liquid outlet channel and cylinder, piston and cylinder cooperation, connecting rod and spanner cooperation on the piston, its special character lies in: the base frame also comprises an air outlet connector communicated with the closed end of the cylinder barrel, a liquid outlet cavity arranged around the air outlet connector, an annular inserting groove arranged at the lower end of the liquid outlet cavity and an air replenishing hole for communicating the annular inserting groove with the cylinder barrel, and the liquid outlet cavity is intersected with the liquid inlet pipeline;
also comprises a valve body, a valve core and a sealing gasket,
the valve body comprises a valve core cavity, a valve core seat and a suction pipe interface which are arranged on a bottom plate of the valve core cavity, a circular seat plate which is arranged around the upper end of the valve core cavity, an inserting sleeve and a connecting seat which are arranged on the circular seat plate, wherein an air guide hole is arranged on the circular seat plate at the inner side of the inserting sleeve, an air guide groove is arranged on the inner wall of the inserting sleeve, and the air guide groove is communicated with the air guide hole;
the valve core comprises a valve core body, a circular ring base plate, a radial plate and a cylindrical sleeve core, wherein the radial plate and the cylindrical sleeve core are used for connecting the valve core body and the circular ring base plate,
the center of the sealing gasket is provided with a through hole;
the valve core body of the valve core is matched with the valve core seat, and the circular base plate supports the circular base plate; the air outlet interface is inserted into the cylindrical sleeve core to form a liquid outlet valve, the inserting sleeve is inserted into the annular inserting groove, the liquid outlet cavity is inserted into the connecting seat, the valve core passes through the through hole on the screw thread, the annular seat plate on the radial outer side of the connecting seat is attached to the top plate of the screw thread, and the connecting seat is connected with the base frame; the sealing gasket is sleeved on the valve core cavity and is attached to the annular seat plate, and the sealing gasket is communicated with the air guide hole.
The one-way valve and air supply cooperative spray gun is characterized in that: the lower part of the base frame is provided with an annular fixing plate, and the annular fixing plate is provided with a buckling hook hole;
the upper end of connecting seat is equipped with the clip, clip and clip hole lock.
The one-way valve and air supply cooperative spray gun is characterized in that: the hollow upper opening of the valve core body is a spherical curved surface;
the upper end of the valve core seat is in an inverted cone frustum shape.
The one-way valve and air supply cooperative spray gun is characterized in that: the through hole of the sealing gasket is polygonal.
The spray gun with the one-way valve and the air supply in coordination has the advantages of coordination of air supply and liquid discharge, good sealing performance and high spraying speed due to the adoption of the structure.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is one of exploded perspective views of the present invention.
Fig. 3 is a second exploded perspective view of the present invention.
Fig. 4 is a third exploded perspective view of the present invention.
Fig. 5 is a perspective sectional view of the base frame of the present invention.
Fig. 6 is a perspective cross-sectional view of the valve body of the present invention.
Fig. 7 is a perspective cross-sectional view of the valve cartridge of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, a spray gun with a one-way valve and air supply cooperated comprises a shell 1, a base frame 2, a piston 3, a wrench 4 and a screw thread 5, wherein the base frame 2 comprises a liquid inlet pipeline 21, a liquid outlet channel 22 and a cylinder 23, the piston 3 is matched with the cylinder 23, and a connecting rod on the piston 3 is matched with the wrench 4;
the base frame 2 further comprises an air outlet connector 24 communicated with the closed end of the cylinder barrel, a liquid outlet cavity 25 arranged around the air outlet connector, an annular inserting groove 26 arranged at the lower end of the liquid outlet cavity and an air replenishing hole 27 for communicating the annular inserting groove with the cylinder barrel, and the liquid outlet cavity 25 is intersected with the liquid inlet pipeline 21;
also comprises a valve body 6, a valve core 7 and a sealing gasket 8,
the valve body 6 comprises a valve core cavity 61, a valve core seat 621 and a suction pipe interface 622 which are arranged on a bottom plate of the valve core cavity, a circular base plate 63 which is arranged around the upper end of the valve core cavity, an insertion sleeve 64 and a connecting seat 65 which are arranged on the circular base plate, wherein an air guide hole 631 is arranged on the circular base plate 63 at the inner side of the insertion sleeve 64, an air guide groove 641 along the axial direction is arranged on the inner wall of the insertion sleeve 64, and the air guide groove 641 is communicated with the air guide hole 631;
the valve core 7 comprises a valve core body 71, a circular ring base plate 72, a radial plate 73 and a cylindrical sleeve core 74 which connect the valve core body and the circular ring base plate,
a through hole 81 is arranged in the center of the sealing gasket 8;
the valve core body 71 of the valve core 7 is matched with the valve core seat 621, and the circular ring-shaped seat plate 63 supports the circular base plate 72; the air outlet connector 24 is inserted into the cylindrical sleeve core 74 to form an air outlet valve, the inserting sleeve 64 is inserted into the annular inserting groove 26, the air outlet cavity 25 is inserted into the connecting seat 65, the valve body 6 penetrates through a through hole on the screw thread 5, the annular seat plate 63 on the radial outer side of the connecting seat 65 is attached to the top plate of the screw thread 5, and the connecting seat 65 is connected with the base frame 2; the sealing gasket 8 is sleeved on the valve core cavity 61 and is attached to the annular seat plate 63, and the central hole 81 and the air guide hole 631 of the sealing gasket 8 are communicated.
The through hole 81 of the gasket 8 is polygonal. The edge surface of the through hole 81 is tangent to the valve core cavity 61;
an annular fixing plate 28 is arranged at the lower part of the base frame 2, and a fastening hook hole 281 is formed in the annular fixing plate 28;
the upper end of the connecting seat 65 is provided with a clasp 651, and the clasp 651 is buckled with the clasp hole 281.
The hollow upper opening of the valve core body 71 is a spherical curved surface;
the upper end of the valve core seat 621 is in an inverted cone frustum shape.
FIG. 1 is a view showing a state where the wrench 4 is turned on and the piston 2 moves toward the cylinder 23 in the state of FIG. 1, and (one) air enters the container between the screw thread 5 and the container liquid through the air supply hole 27, the air guide groove 641 of the insertion sleeve 64 of the valve body 6, the air guide hole 631, and the through hole 81 of the gasket 8; at the same time, the liquid in the cylinder 23, the air outlet interface and the liquid in the space of the cylindrical sleeve core 74 expand under the action of pressure, and the liquid enters the liquid outlet cavity and the liquid inlet pipeline 21 and is sprayed out from the liquid outlet channel 22;
when the hand leaves the wrench 4 and the piston 2 and the wrench 4 automatically reset, the air outlet port 24 and the cylindrical sleeve core 74 are sealed, and the valve core body 71 leaves the valve core seat 621 under the action of negative pressure; the liquid in the container enters the cylindrical sleeve core 74 and the cylinder 23 through the suction pipe connector 622 and the valve core seat 621; after the piston 2 returns, the pressure in the cylinder 23 is balanced with the outside, and then the valve core body 71 and the valve core seat 621 recover to be sealed; in the resetting process, the piston 3 seals the air supplementing hole 27; one cycle is completed.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a check valve and collaborative spray gun of tonifying qi, includes shell, bed frame, piston, spanner and thread, and the bed frame includes liquid inlet pipeline, liquid outlet channel and cylinder, piston and cylinder cooperation, connecting rod and spanner cooperation on the piston, its characterized in that: the base frame also comprises an air outlet connector communicated with the closed end of the cylinder barrel, a liquid outlet cavity arranged around the air outlet connector, an annular inserting groove arranged at the lower end of the liquid outlet cavity and an air replenishing hole for communicating the annular inserting groove with the cylinder barrel, and the liquid outlet cavity is intersected with the liquid inlet pipeline;
also comprises a valve body, a valve core and a sealing gasket,
the valve body comprises a valve core cavity, a valve core seat and a suction pipe interface which are arranged on a bottom plate of the valve core cavity, a circular seat plate which is arranged around the upper end of the valve core cavity, an inserting sleeve and a connecting seat which are arranged on the circular seat plate, wherein an air guide hole is arranged on the circular seat plate at the inner side of the inserting sleeve, an air guide groove is arranged on the inner wall of the inserting sleeve, and the air guide groove is communicated with the air guide hole;
the valve core comprises a valve core body, a circular ring base plate, a radial plate and a cylindrical sleeve core which connect the valve core body and the circular ring base plate,
the center of the sealing gasket is provided with a through hole;
the valve core body of the valve core is matched with the valve core seat, and the circular ring-shaped seat plate supports the circular substrate; the air outlet interface is inserted into the cylindrical sleeve core to form a liquid outlet valve, the inserting sleeve is inserted into the annular inserting groove, the liquid outlet cavity is inserted into the connecting seat, the valve core passes through the through hole on the screw thread, the annular seat plate on the radial outer side of the connecting seat is attached to the top plate of the screw thread, and the connecting seat is connected with the base frame; the sealing gasket is sleeved on the valve core cavity and is attached to the annular seat plate, and the central hole of the sealing gasket is communicated with the air guide hole.
2. The one-way valve and air make-up coordinated spray gun of claim 1, wherein: the lower part of the base frame is provided with an annular fixing plate, and the annular fixing plate is provided with a buckling hook hole;
the upper end of connecting seat is equipped with the clip, clip and clip hole lock.
3. The one-way valve and air make-up coordinated spray gun of claim 1, wherein: the hollow upper opening of the valve core body is a spherical curved surface;
the upper end of the valve core seat is in an inverted conical shape.
4. The one-way valve and air make-up coordinated spray gun of claim 1, wherein: the through hole of the sealing gasket is polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110797464.XA CN113546781B (en) | 2021-07-14 | 2021-07-14 | One-way valve and air supply cooperative spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110797464.XA CN113546781B (en) | 2021-07-14 | 2021-07-14 | One-way valve and air supply cooperative spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113546781A CN113546781A (en) | 2021-10-26 |
| CN113546781B true CN113546781B (en) | 2022-12-23 |
Family
ID=78103187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110797464.XA Active CN113546781B (en) | 2021-07-14 | 2021-07-14 | One-way valve and air supply cooperative spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113546781B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4440659B2 (en) * | 2004-01-30 | 2010-03-24 | 株式会社吉野工業所 | Trigger type liquid ejector |
| JP7018866B2 (en) * | 2018-10-31 | 2022-02-14 | 株式会社吉野工業所 | Triggered liquid ejector |
| CN211779080U (en) * | 2020-01-17 | 2020-10-27 | 中山市联昌喷雾泵有限公司 | Tank with valve and plastic tank cover |
| CN212354962U (en) * | 2020-04-27 | 2021-01-15 | 中山市联昌喷雾泵有限公司 | Foam pump |
| CN111822180A (en) * | 2020-07-16 | 2020-10-27 | 宁波圣捷喷雾泵有限公司 | Spray gun |
-
2021
- 2021-07-14 CN CN202110797464.XA patent/CN113546781B/en active Active
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| Publication number | Publication date |
|---|---|
| CN113546781A (en) | 2021-10-26 |
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