CN212672453U - Microminiature built-in gear type pneumatic control medium flow valve - Google Patents
Microminiature built-in gear type pneumatic control medium flow valve Download PDFInfo
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- CN212672453U CN212672453U CN202021607931.5U CN202021607931U CN212672453U CN 212672453 U CN212672453 U CN 212672453U CN 202021607931 U CN202021607931 U CN 202021607931U CN 212672453 U CN212672453 U CN 212672453U
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Abstract
The utility model discloses a built-in gear formula gas accuse medium flow valve of microminiature, include: the Y-shaped three-way valve comprises a Y-shaped three-way valve body, a feeding joint, a discharging joint, a flow guide sleeve, a gear adjusting porous valve core, a gland, a thin cylinder and a valve rod, wherein the Y-shaped three-way valve body comprises a feeding hole, a discharging hole and an adjusting inclined hole; the flow guide sleeve is inserted in the inclined tube of the Y-shaped three-way valve body, and the lower part of the flow guide sleeve is provided with a flow guide hole. The gear adjusting porous valve core is inserted into the flow guide sleeve from the upper part, a plurality of gear holes are formed in the side face of the lower part, and the gear holes can be respectively matched with the flow guide holes in the flow guide sleeve after rotation. The gland is detachably connected with the inclined tube of the Y-shaped three-way valve body through threads, the gland presses the Y-shaped sealing ring and the flow guide sleeve, the thin cylinder is installed on the gland, and the valve rod is connected to the telescopic shaft of the thin cylinder. The utility model discloses a microminiature sprayer has increased the controllable function of medium flow, makes application scope and cleaning efficiency improve, and the consumption can reduce, and the advantage of model commonly used can remain.
Description
Technical Field
The utility model belongs to pneumatic flow control valve field for the pressure sprayer, concretely relates to built-in gear formula gas accuse medium flow valve of microminiature.
Background
The conventional jet cleaning machine is a mechanical cleaning device which uses high-pressure air or water as power to jet an abrasive medium to the surface of a material at a high speed and removes dirt or a coating through mechanical friction and scouring force. For convenience of use, a lot of miniature movable combined all-in-one machines are favored in the industry at present. Because the tank volume and the pipeline caliber of the microminiature pressure sprayer are small, the flow control valve configured by the conventional sprayer is difficult to install due to the large volume, and therefore, the microminiature pressure sprayer is generally not provided with a valve device for flow control. However, the flow rate of the medium during the spraying operation cannot be effectively controlled according to the cleaning requirement, which not only results in large consumption of the medium, but also limits the application range and cleaning effect thereof, for example, the medium cannot be applied to the fine cleaning requirement with high lossless requirement. Therefore, in order to improve the cleaning applicability, ensure the cleaning effect and reduce the cleaning cost, it is very important to accurately control the medium flow rate of the micro-miniature pressure jet equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the utility model provides a can be at the special valve of microminiature built-in gear formula gas accuse medium flow of the supporting installation of microminiature pressure jetting machine, include:
the Y-shaped three-way valve body comprises a feed inlet, a discharge outlet and an adjusting inclined hole, the adjusting inclined hole is positioned in an inclined pipe of the Y-shaped three-way valve body,
the feeding joint is connected with the medium conveying pipeline and detachably arranged in a feeding port of the Y-shaped three-way valve body, an inclined through hole is arranged at the lower part of the feeding joint,
the discharge joint is connected with the spray head through a hose and detachably arranged in a discharge port of the Y-shaped three-way valve body,
the flow guide sleeve is inserted in the inclined tube of the Y-shaped three-way valve body, the lower part of the flow guide sleeve is provided with a flow guide hole which is communicated with the through hole of the feeding joint,
the gear adjusting porous valve core is inserted into the flow guide sleeve from the upper part, and the lower part of the flow guide sleeve is provided with a step gear adjusting porous valve core; the side surface of the lower part of the gear adjusting porous valve core is provided with a plurality of gear holes, the gear holes can be respectively matched with the flow guide holes on the flow guide sleeve after rotating, the bottom of the gear adjusting porous valve core is provided with a plurality of positioning holes, each positioning hole corresponds to a gear hole, and the step of the lower part of the flow guide sleeve is provided with a cylindrical pin matched with the positioning hole; a Y-shaped sealing ring is arranged above the gear adjusting porous valve core,
the section of the gland is T-shaped, the gland is detachably connected with an inclined tube of the Y-shaped three-way valve body through threads, the gland presses the Y-shaped sealing ring and the flow guide sleeve,
the thin cylinder is arranged on the pressure cover by a hexagon bolt and a spring washer, the telescopic shaft of the thin cylinder can extend out and retract under the action of a compressed air source,
the valve rod is connected to a telescopic shaft of the thin cylinder and inserted into an inner hole of the gear adjusting porous valve core, so that the gear hole can be blocked and opened.
Furthermore, the feeding joint and the discharging joint are connected with the Y-shaped three-way valve body through threads.
Furthermore, a groove is formed in the outer wall of the upper portion of the gear adjusting porous valve core, an O-shaped sealing ring is installed in the groove, and the O-shaped sealing ring plays a sealing role between the gear adjusting porous valve core and the flow guide sleeve.
Furthermore, the number of the gear holes and the positioning holes of the gear adjusting porous valve core is three.
Furthermore, the number of the Y-shaped sealing rings is two, and the upper Y-shaped sealing rings are flush with the upper surface of the flow guide sleeve.
Furthermore, a gasket is arranged between the gland and the upper surface of the inclined tube of the Y-shaped three-way valve body.
The utility model has the advantages that:
the utility model discloses a medium flow control valve installs on microminiature pressure sprayer, and the injection medium can artificially adjust through the gear hole transposition of gear regulation porous valve core, and medium consumption obviously reduces, and it is more convenient to operate simultaneously, can conveniently remote control spray opening and close of medium through compressed air, improves the cleaning efficiency.
Drawings
Fig. 1 is a schematic front sectional view of a microminiature built-in gear type pneumatic control medium flow valve according to the present invention.
In the figure: 1. a Y-shaped three-way valve body; 2. a flow guide sleeve; 3. a thin cylinder; 4. a gland; 5. a spring washer; 6. a hexagon bolt; 7. a gasket; 8. a valve stem; 9. a Y-shaped seal ring; 10. an O-shaped sealing ring; 11. a gear adjusting porous valve core; 12. a cylindrical pin; 13. a discharge joint; 14. a feed connection; 15. a gear hole.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1, 1. a microminiature built-in gear type pneumatic control medium flow valve is characterized in that: comprises that
The Y-shaped three-way valve body 1 comprises a feed inlet, a discharge outlet and an adjusting inclined hole, the adjusting inclined hole is positioned in an inclined pipe of the Y-shaped three-way valve body 1,
the feeding joint 14 is connected with the medium conveying pipeline and detachably arranged in a feeding port of the Y-shaped three-way valve body 1, an inclined through hole is formed in the lower part of the feeding joint 14,
a discharge joint 13, wherein the discharge joint 13 is connected with the spray head through a hose and is detachably arranged in a discharge port of the Y-shaped three-way valve body 1,
the flow guide sleeve 2 is inserted in the inclined pipe of the Y-shaped three-way valve body 1, the lower part of the flow guide sleeve 2 is provided with a flow guide hole which is communicated with the through hole of the feeding joint 14,
the gear position adjusting porous valve core 11 is inserted into the guide sleeve 2 from the upper part, and the step gear position adjusting porous valve core 11 is arranged at the lower part of the guide sleeve 2; the side surface of the lower part of the gear adjusting porous valve core 11 is provided with a plurality of gear holes 15, the gear holes 15 can be respectively matched with the diversion holes on the diversion sleeve 2 after rotating, the bottom of the gear adjusting porous valve core 11 is provided with a plurality of positioning holes, each positioning hole corresponds to a gear hole 15, and the step of the lower part of the diversion sleeve 2 is provided with a cylindrical pin 12 matched with the positioning hole; a Y-shaped sealing ring 9 is arranged above the gear adjusting porous valve core 11,
the section of the gland 4 is T-shaped, the gland 4 is detachably connected with an inclined tube of the Y-shaped three-way valve body 1 through threads, the gland 4 presses the Y-shaped sealing ring 9 and the flow guide sleeve 2,
the thin cylinder 3 is mounted on the gland 4 by a hexagon bolt 6 and a spring washer 5. The telescopic shaft of the thin cylinder 3 can extend and retract under the action of a compressed air source,
and the valve rod 8 is connected to the telescopic shaft of the thin cylinder 3, and the valve rod 8 is inserted into an inner hole of the gear adjusting porous valve core 11 and can block and open the gear hole 15.
In practical application, the feeding joint 14 and the discharging joint 13 are connected with the Y-shaped three-way valve body 1 through threads.
In practical application, a groove is formed in the outer wall of the upper portion of the gear adjusting porous valve core 11, an O-shaped sealing ring 10 is installed in the groove, and the O-shaped sealing ring 10 plays a sealing role between the gear adjusting porous valve core 11 and the flow guide sleeve 2.
In practical application, the number of the gear holes 15 and the number of the positioning holes of the gear adjusting multi-hole valve core 11 are three.
In practical application, there are two Y-shaped sealing rings 9, and the upper Y-shaped sealing ring 9 is flush with the upper surface of the flow guide sleeve 2.
In practical application, a gasket 7 is arranged between the gland 4 and the upper surface of the inclined tube of the Y-shaped three-way valve body 1.
The utility model discloses a working process and theory of operation:
the guide sleeve 2 is arranged in a 45-degree inclined hole of the Y-shaped tee joint 1 and is pressed by a gland 4, the built-in gear adjusting porous valve core 11 is arranged in the hole of the guide sleeve 2 and is positioned by a cylindrical pin 12, a corresponding gear hole 15 of the valve core corresponds to a guide hole on the guide sleeve 2, two Y-shaped sealing rings are arranged on the valve core, and the valve core is pressed on the guide sleeve 2 by the gland 4.
The gear adjusting porous valve core 11 and the flow guide sleeve 2 are sealed through an O-shaped sealing ring 10, a valve rod 8 is screwed on an extending shaft of the thin cylinder 3 and then is inserted into an inner hole of the gear adjusting porous valve core 11, and the thin cylinder 3 is connected and installed on the gland 4 through a hexagon bolt 6 and a spring washer 5.
Under the action of a compressed air source, an extending shaft of the thin cylinder 3 contracts to drive a valve rod on the thin cylinder to contract, a gear hole 15 of the gear adjusting porous valve core 11 is opened, an injection medium flows out of the gear hole 15 on the thin cylinder through the feeding connector 14 and the flow guide sleeve 2, three gear holes 15 with different diameters are formed in the thin cylinder, and the corresponding gear holes 15 can be selected according to the flow of the injection medium in use.
After the gland 4 is unscrewed, the gear adjusting porous valve core 11 can be taken out of the flow guide sleeve 2, a required gear hole 15 is selected again, the gear adjusting porous valve core 11 is placed in the flow guide sleeve 2, a cylindrical pin 12 is arranged in the flow guide sleeve 2, a positioning hole is machined in the position opposite to the gear hole 15 of the gear adjusting porous valve core 11, after the cylindrical pin 12 is clamped into the positioning hole of the three-hole valve core 11, the three-hole valve core 11 does not rotate in position in the flow guide sleeve 2, and a medium with a corresponding flow finally flows through a discharge connector and is sent out of the injection machine to enter a gun head.
When the compressed air stops supplying air, the extension shaft of the thin cylinder 3 extends out of the shaft to return under the action of the spring, the valve rod 8 is driven to close the gear hole of the gear adjusting porous valve core, and the injection medium stops flowing out of the valve.
To sum up, the utility model discloses a microminiature medium flow control valve, because of small function full adaptability is wide, installs on microminiature pressure injection machine, through the suitable selection and the adjustment in gear hole, utilizes compressed air remote control, makes injection medium flow obtain effective control, easy operation convenient and practical, and the abrasive material consumption obviously reduces, and application scope and cleaning efficiency can improve, and the advantage of conventional injection cleaning machine can remain and consolidate.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The directional indicators such as front, back, left, right, end, front, etc. are only used for describing the structure, but not for limitation. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (6)
1. A microminiature built-in gear type pneumatic control medium flow valve is characterized in that: comprises that
The Y-shaped three-way valve body (1) comprises a feeding hole, a discharging hole and an adjusting inclined hole, the adjusting inclined hole is positioned in an inclined pipe of the Y-shaped three-way valve body (1),
the feeding joint (14) is connected with the medium conveying pipeline and detachably arranged in a feeding port of the Y-shaped three-way valve body (1), an inclined through hole is formed in the lower part of the feeding joint (14),
the discharge connector (13) is connected with the spray head through a hose and detachably arranged in a discharge port of the Y-shaped three-way valve body (1),
the guide sleeve (2) is inserted in the inclined tube of the Y-shaped three-way valve body (1), a guide hole is arranged at the lower part of the guide sleeve (2) and communicated with the through hole of the feeding joint (14),
the gear adjusting porous valve core (11) is inserted into the guide sleeve (2) from the upper part, and the step gear adjusting porous valve core (11) is arranged at the lower part of the guide sleeve (2); a plurality of gear holes (15) are formed in the side face of the lower portion of the gear adjusting porous valve core (11), the gear holes (15) can be matched with the flow guide holes in the flow guide sleeve (2) after rotation, a plurality of positioning holes are formed in the bottom of the gear adjusting porous valve core (11), each positioning hole corresponds to one gear hole (15), and a cylindrical pin (12) is arranged on the step of the lower portion of the flow guide sleeve (2) and matched with the positioning holes; a Y-shaped sealing ring (9) is arranged above the gear adjusting porous valve core (11),
the section of the gland (4) is T-shaped, the gland (4) is detachably connected with an inclined tube of the Y-shaped three-way valve body (1) through threads, the gland (4) presses the Y-shaped sealing ring (9) and the flow guide sleeve (2),
the thin cylinder (3), the thin cylinder (3) is arranged on the gland (4) by a hexagon bolt (6) and a spring washer (5); the telescopic shaft of the thin cylinder (3) can extend out and retract under the action of a compressed air source,
the valve rod (8) is connected to the telescopic shaft of the thin cylinder (3), and the valve rod (8) is inserted into an inner hole of the gear adjusting porous valve core (11) and can block and open the gear hole (15).
2. A microminiature built-in gear type pneumatic control medium flow valve according to claim 1, characterized in that: the feeding joint (14) and the discharging joint (13) are connected with the Y-shaped three-way valve body (1) through threads.
3. A microminiature built-in gear type pneumatic control medium flow valve according to claim 1, characterized in that: a groove is formed in the outer wall of the upper portion of the gear adjusting porous valve core (11), an O-shaped sealing ring (10) is installed in the groove, and the O-shaped sealing ring (10) plays a sealing role between the gear adjusting porous valve core (11) and the flow guide sleeve (2).
4. A microminiature built-in gear type pneumatic control medium flow valve according to claim 1 or 3, characterized in that: the number of the gear holes (15) and the number of the positioning holes of the gear adjusting porous valve core (11) are three.
5. A microminiature built-in gear type pneumatic control medium flow valve according to claim 1, characterized in that: the number of the Y-shaped sealing rings (9) is two, and the Y-shaped sealing rings (9) above are flush with the upper surface of the flow guide sleeve (2).
6. A microminiature built-in gear type pneumatic control medium flow valve according to claim 1, characterized in that: and a gasket (7) is arranged between the gland (4) and the upper surface of the inclined tube of the Y-shaped three-way valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607931.5U CN212672453U (en) | 2020-08-05 | 2020-08-05 | Microminiature built-in gear type pneumatic control medium flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607931.5U CN212672453U (en) | 2020-08-05 | 2020-08-05 | Microminiature built-in gear type pneumatic control medium flow valve |
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| Publication Number | Publication Date |
|---|---|
| CN212672453U true CN212672453U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021607931.5U Active CN212672453U (en) | 2020-08-05 | 2020-08-05 | Microminiature built-in gear type pneumatic control medium flow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672453U (en) |
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2020
- 2020-08-05 CN CN202021607931.5U patent/CN212672453U/en active Active
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