CN216045476U - Direct-push variable flow valve - Google Patents
Direct-push variable flow valve Download PDFInfo
- Publication number
- CN216045476U CN216045476U CN202122567932.2U CN202122567932U CN216045476U CN 216045476 U CN216045476 U CN 216045476U CN 202122567932 U CN202122567932 U CN 202122567932U CN 216045476 U CN216045476 U CN 216045476U
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- valve
- valve core
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- valve body
- variable flow
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Abstract
The utility model discloses a direct-push variable flow valve, which comprises a valve body, wherein a valve casing is fixedly installed at the end head of the valve body; a valve core is in sliding fit with the central cavity of the valve body, and a guide structure is arranged between the valve core and the valve body; the outer end face of the valve core is provided with a sealing cover, and the valve core is connected with a direct pushing mechanism for driving the valve core to slide along the central cavity; a through hole for ventilation is processed on the valve core; and a communicating hole for communicating the central cavity is processed on the valve core. The flow valve can realize the control of the air quantity, and further adapts to some use occasions needing the adjustment of the air quantity.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a direct-push type variable flow valve.
Background
The corresponding air valve is needed to be used in the use occasion where the air quantity needs to be adjusted, the existing air valve is relatively simple in structure, and the flow can not be well controlled after the air valve is opened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a direct-push type variable flow valve which can realize the control of air volume and further adapt to some occasions needing air volume adjustment.
In order to achieve the technical features, the utility model is realized as follows: a direct-push variable flow valve comprises a valve body, wherein a valve shell is fixedly installed at the end head of the valve body; a valve core is in sliding fit with the central cavity of the valve body, and a guide structure is arranged between the valve core and the valve body; the outer end face of the valve core is provided with a sealing cover, and the valve core is connected with a direct pushing mechanism for driving the valve core to slide along the central cavity; a through hole for ventilation is processed on the valve core; and a communicating hole for communicating the central cavity is processed on the valve core.
The valve casing is fixed continuous with the valve body through a plurality of radial screws that are the circumference equipartition, the fitting surface of valve casing and valve body is provided with first sealing washer.
The guide structure comprises guide posts symmetrically fixed on the valve body, and the valve core is installed on the guide posts in a sliding fit mode.
And a second sealing ring is arranged between the sealing cover and the valve core, and the sealing cover is fixed on the outer end surface of the valve core through a plurality of uniformly distributed first screws.
The direct-push mechanism comprises a lead screw motor fixed on a central partition plate of the valve body, an output shaft of the lead screw motor is fixedly connected with a lead screw, the lead screw and a lead screw nut form lead screw transmission fit, and the lead screw nut is fixed on the valve core.
And a third sealing ring is arranged between the valve core and the valve body.
And a fourth sealing ring is arranged on the inner end surface of the valve core.
A plurality of ventilation windows are processed on the central partition plate of the valve body.
The utility model has the following beneficial effects:
1. the variable flow valve with the structure can be used for adjusting ventilation quantity, and further adjusting the flow.
2. The reliability of the connection between the valve housing and the valve body is ensured by the radial screw.
3. The valve core can be guided to move through the guide structure, and the sliding stability of the valve core is further ensured.
4. The end of the valve core can be effectively sealed through the sealing cover, and the sealing reliability is further guaranteed.
5. The direct-pushing mechanism can be used for driving the valve element to slide, so that the ventilation area of the through hole is adjusted, and the ventilation quantity is adjusted.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a left side view of the present invention.
In the figure: the valve comprises a valve body 1, a screw rod motor 2, a screw rod nut 3, a valve core 4, a sealing cover 5, a guide post 6, a valve casing 7, a radial screw 8, a first sealing ring 9, a screw rod 10, a fourth sealing ring 11, a second sealing ring 12, a through hole 13, a third sealing ring 14, a central cavity 15, a first screw 16, a communication hole 17 and a ventilation window 18.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, a direct push type variable flow valve comprises a valve body 1, wherein a valve casing 7 is fixedly installed at the end of the valve body 1; the central cavity 15 of the valve body 1 is in sliding fit with the valve core 4, and a guide structure is arranged between the valve core 4 and the valve body 1; a sealing cover 5 is arranged on the outer end face of the valve core 4, and the valve core 4 is connected with a direct pushing mechanism for driving the valve core to slide along the central cavity 15; a through hole 13 for ventilation is processed on the valve core 4; the valve core 4 is provided with a communicating hole 17 for communicating the central cavity 15. The variable flow valve with the structure can be used for adjusting ventilation quantity, and further adjusting the flow. In the specific adjusting process, the control of the air volume can be realized by adjusting the ventilation area of the through hole 13.
Further, valve casing 7 is fixed continuous with valve body 1 through a plurality of radial screw 8 that are the circumference equipartition, the fitting surface of valve casing 7 and valve body 1 is provided with first sealing washer 9. The reliability of the connection between the valve housing 7 and the valve body 1 is ensured by the radial screws 8 described above. And a good sealing effect is achieved through the first sealing ring 9.
Furthermore, the guide structure comprises guide posts 6 symmetrically fixed on the valve body 1, and the valve core 4 is installed on the guide posts 6 through sliding fit. The movement of the valve core 4 can be guided through the guide structure, and the sliding stability of the valve core is further ensured.
Further, a second sealing ring 12 is installed between the sealing cover 5 and the valve core 4, and the sealing cover 5 is fixed on the outer end face of the valve core 4 through a plurality of uniformly distributed first screws 16. The end of the valve core 4 can be effectively sealed through the sealing cover 5, and the sealing reliability is further ensured.
Further, the direct pushing mechanism comprises a lead screw motor 2 fixed on a central partition plate of the valve body 1, an output shaft of the lead screw motor 2 is fixedly connected with a lead screw 10, the lead screw 10 and a lead screw nut 3 form lead screw transmission fit, and the lead screw nut 3 is fixed on the valve core 4. The direct pushing mechanism can be used for driving the valve core 4 to slide, so that the ventilation area of the through hole 13 is adjusted, and the control of adjusting the ventilation quantity is achieved. In the working process, the screw rod 10 is driven by the screw rod motor 2, the screw rod nut 3 is driven by the screw rod 10, and the valve plug 4 is driven by the screw rod nut 3 to realize translation.
Further, a third sealing ring 14 is arranged between the valve core 4 and the valve body 1. An effective sealing engagement between the valve cartridge 4 and the valve body 1 is achieved by means of the third sealing ring 14.
Further, a fourth sealing ring 11 is mounted on the inner end surface of the valve core 4. The fourth sealing ring 11 ensures the reliability of the sealing of the valve core 4 to the valve body 1 after sealing.
Furthermore, a plurality of ventilation windows 18 are processed on the central partition plate of the valve body 1. Through the louver 18 can be used for ventilation.
The working process and principle of the utility model are as follows:
when a certain channel needs to realize the control of gas flow, the variable flow valve completely meets the use condition, and the valve body 1 is connected with the gas outlet end only by connecting the valve shell 7 with the gas inlet end; in the specific adjusting process, the lead screw motor 2 is controlled to rotate through a switch of the direct-push type variable flow valve, the lead screw motor 2 drives the lead screw 10, the lead screw 10 drives the lead screw nut 3, the valve core 4 is driven by the lead screw nut 3 to realize translation, the ventilation area of the through hole 13 is adjusted through the back-and-forth movement of the valve core 4, the control of adjusting the ventilation volume is further achieved, and the opening and closing of the variable flow valve device are further realized; when the direct-push type variable flow valve device is further required to control the flow of the system, the extension length of the valve core 4 is controlled according to the requirement, corresponding parameters are input into the variable flow valve device control system, and then the valve core 4 is opened, so that the variable flow of the variable flow valve device can be realized.
Claims (8)
1. A direct-push variable flow valve is characterized in that: the valve comprises a valve body (1), wherein a valve shell (7) is fixedly arranged at the end head of the valve body (1); a central cavity (15) of the valve body (1) is in sliding fit with the valve core (4), and a guide structure is arranged between the valve core (4) and the valve body (1); the outer end face of the valve core (4) is provided with a sealing cover (5), and the valve core (4) is connected with a direct pushing mechanism for driving the valve core to slide along a central cavity (15); a through hole (13) for ventilation is processed on the valve core (4); and a communicating hole (17) for communicating the central cavity (15) is processed on the valve core (4).
2. A direct-push variable flow valve according to claim 1, characterized in that: valve casing (7) are fixed continuous with valve body (1) through a plurality of radial screw (8) that are the circumference equipartition, the fitting surface of valve casing (7) and valve body (1) is provided with first sealing washer (9).
3. A direct-push variable flow valve according to claim 1, characterized in that: the guide structure comprises guide columns (6) symmetrically fixed on the valve body (1), and the valve core (4) is installed on the guide columns (6) in a sliding fit mode.
4. A direct-push variable flow valve according to claim 1, characterized in that: a second sealing ring (12) is installed between the sealing cover (5) and the valve core (4), and the sealing cover (5) is fixed on the outer end face of the valve core (4) through a plurality of uniformly distributed first screws (16).
5. A direct-push variable flow valve according to claim 1, characterized in that: the direct-push mechanism comprises a lead screw motor (2) fixed on a central partition plate of the valve body (1), an output shaft of the lead screw motor (2) is fixedly connected with a lead screw (10), the lead screw (10) and a lead screw nut (3) form lead screw transmission fit, and the lead screw nut (3) is fixed on the valve core (4).
6. A direct-push variable flow valve according to claim 1, characterized in that: and a third sealing ring (14) is arranged between the valve core (4) and the valve body (1).
7. A direct-push variable flow valve according to claim 1, characterized in that: and a fourth sealing ring (11) is arranged on the inner end surface of the valve core (4).
8. A direct-push variable flow valve according to claim 5, characterized in that: a plurality of ventilation windows (18) are processed on the central clapboard of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567932.2U CN216045476U (en) | 2021-10-25 | 2021-10-25 | Direct-push variable flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567932.2U CN216045476U (en) | 2021-10-25 | 2021-10-25 | Direct-push variable flow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045476U true CN216045476U (en) | 2022-03-15 |
Family
ID=80611031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122567932.2U Active CN216045476U (en) | 2021-10-25 | 2021-10-25 | Direct-push variable flow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045476U (en) |
-
2021
- 2021-10-25 CN CN202122567932.2U patent/CN216045476U/en active Active
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