CN219062583U - Fine tuning valve - Google Patents
Fine tuning valve Download PDFInfo
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- CN219062583U CN219062583U CN202223604189.4U CN202223604189U CN219062583U CN 219062583 U CN219062583 U CN 219062583U CN 202223604189 U CN202223604189 U CN 202223604189U CN 219062583 U CN219062583 U CN 219062583U
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Abstract
The utility model relates to the technical field of valves, in particular to a fine tuning valve, which comprises an upper valve body, a lower valve body and a digital display device; the upper valve body is fixedly connected to the lower valve body and comprises a knob, a first valve body and an air inlet structure; the knob is movably connected to the upper part of the first valve body, and the air inlet structure is transversely arranged and fixedly connected to one side of the first valve body and is positioned below the digital display device; the digital display device comprises a controller, a display screen and a shell, wherein the shell is fixedly connected to the middle part of the first valve body and positioned below the knob, the controller is fixedly connected in the shell, the display screen is fixedly connected to the shell, and the controller is respectively and electrically connected with the display screen and the knob; the specific adjustment value of knob is gathered through the controller that is connected with the knob electricity, shows specific adjustment value at the display screen, and the reading is come through the observation scale than prior art, more convenient and swift.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a fine tuning valve.
Background
The fine tuning valve is used for inflating various systems and accurately adjusting the air inflow, wherein the vacuum fine tuning valve can control and adjust the vacuum degree in the systems, applicable working mediums are air without particle dust and non-corrosive gas, and the vacuum fine tuning valve is widely applied to industries such as petroleum, natural gas, nuclear engineering, power stations, ships, metallurgy, heavy machinery, scientific research institutes and the like, so that the vacuum fine tuning valve has very wide application range and very wide application range.
Chinese patent CN202451848U discloses a high vacuum fine tuning valve, which comprises a valve body, a valve core rod, a base and a connecting air pipe, wherein the valve seat conductance value is changed by adjusting the size of a gap between the valve core rod and a through hole of the base, and in the operation process, an operator needs to observe a scale on the valve body and a vacuum value fed back by equipment by naked eyes to adjust; the vacuum valve has the defects that the scale on the valve body is a dial indicator reading, and the condition that the reading is inaccurate exists in the reading process, so that the vacuum data collected by an operator is not corresponding to or inaccurate to the corresponding regulating value easily.
Disclosure of Invention
In order to solve the problems, the utility model provides a fine tuning valve with convenient reading.
A fine tuning valve comprises an upper valve body, a lower valve body and a digital display device;
the upper valve body is fixedly connected to the lower valve body and comprises a knob, a first valve body and an air inlet structure; the knob is movably connected to the upper part of the first valve body, and the air inlet structure is transversely arranged and fixedly connected to one side of the first valve body and is positioned below the digital display device;
the digital display device comprises a controller, a display screen and a shell, wherein the shell is fixedly connected to the middle part of the first valve body and is positioned below the knob, the controller is fixedly connected to the shell, the display screen is fixedly connected to the shell, and the controller is respectively and electrically connected with the display screen and the knob.
The utility model has the advantages and beneficial effects that: the knob can adjust the conductance value of the fine tuning valve to change the vacuum value of the final output end, and the specific adjustment value of the knob is collected through the controller electrically connected with the knob, and the specific adjustment value is displayed on the display screen.
Preferably, the lower valve body comprises a second valve body and an air outlet structure, the second valve body is fixedly connected with the first valve body, and the air outlet structure is fixedly connected with the lower end of the second valve body and is used for being connected with an external vacuum system. The external vacuum system is connected with the air outlet structure, and the output end is vacuumized.
Preferably, the lower valve body further comprises a vacuum pressure sensor, the vacuum pressure sensor is fixedly connected to the air outlet structure, a detection hole is formed in the vacuum sensor, and the vacuum sensor is electrically connected with the controller. The device can detect a specific vacuum value through the vacuum pressure sensor, and can be compared with the vacuum value of an external vacuum system, so that the change amount of the vacuum value from the air outlet structure to the final output end is judged, and the final recorded data is richer.
Preferably, the air outlet hole on the air outlet structure is communicated with the detection hole through an air pipe. The device is low in cost and convenient to replace through air pipe connection.
Preferably, the second valve body is bolted to the first valve body. The bolt connection belongs to detachable connection, is reliable in connection, and facilitates subsequent detachment and maintenance.
Preferably, the vacuum sensor is a DPA pressure sensor. Thus, the DPA pressure sensor is more accurate and convenient to communicate.
Drawings
FIG. 1 is a schematic diagram of a trim valve according to the present utility model.
1. An upper valve body; 2. a lower valve body; 3. a digital display device; 101. a knob; 102. a first valve body; 103. an air intake structure; 201. a second valve body; 202. an air outlet structure; 203. a vacuum pressure sensor; 301. a display screen; 302. a housing.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Referring to fig. 1, a fine tuning valve comprises an upper valve body 1, a lower valve body 2 and a digital display device 3;
the upper valve body 1 is fixedly connected to the lower valve body 2, and the upper valve body 1 comprises a knob 101, a first valve body 102 and an air inlet structure 103; the knob 101 is movably connected to the upper part of the first valve body 102, and the air inlet structure 103 is transversely arranged and fixedly connected to one side of the first valve body 102 and is positioned below the digital display device 3;
the digital display device 3 comprises a controller, a display screen 301 and a shell 302, wherein the shell 302 is fixedly connected to the middle part of the first valve body 102 and is positioned below the knob 101, the controller is fixedly connected in the shell 302, the display screen 301 is fixedly connected to the shell 302, and the controller is respectively and electrically connected with the display screen 301 and the knob 101.
Specifically, knob 101 can adjust the conductance value of the trim valve to change the vacuum value of final output, and gather the specific governing value of knob 101 through the controller that is connected with knob 101 electricity, show specific governing value at display screen 301, compare the prior art and come the reading through observing the scale, more convenient and swift.
In the preferred embodiment of the present utility model, the lower valve body 2 comprises a second valve body 201 and an air outlet structure 202, the second valve body 201 is fixedly connected with the first valve body 102, and the air outlet structure 202 is fixedly connected to the lower end of the second valve body 201 for connecting with an external vacuum system.
Specifically, an external vacuum system is connected to the air outlet structure 202 to evacuate the output.
In order to further optimize the scheme, the lower valve body 2 further comprises a vacuum pressure sensor 203, the vacuum pressure sensor 203 is fixedly connected to the air outlet structure 202, a detection hole is formed in the vacuum sensor, and the vacuum sensor is electrically connected with the controller.
Specifically, the vacuum pressure sensor 203 can detect a specific vacuum value, and can be compared with the vacuum value of an external vacuum system, so as to judge the variation of the vacuum value from the air outlet structure 202 to the final output end, and make the final recorded data richer.
To further optimize the above scheme, the air outlet hole on the air outlet structure 202 is communicated with the detection hole through an air pipe.
Specifically, not only is the cost low through the trachea connection, but also the change is convenient.
To further optimize the above, the second body 201 is bolted to the first body 102.
Specifically, the bolt connection belongs to detachable connection, and is reliable in connection, so that subsequent detachment and maintenance are facilitated.
To further optimize the above scheme, the vacuum sensor is a DPA pressure sensor.
Specifically, the DPA pressure sensor is more accurate and convenient to communicate, DPA (standard type) is capable of perfecting functions, accurately measuring gas pressure, 3 groups of color display functions are simple and easy in code display functions, multiple units are converted into functions, multiple output modes are set, RS-485 communication and analog signal output are supported, 10 groups of output reaction time is set, and the functions are safely controlled, so that an energy-saving mode is provided.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. The fine tuning valve is characterized by comprising an upper valve body (1), a lower valve body (2) and a digital display device (3);
the upper valve body (1) is fixedly connected to the lower valve body (2), and the upper valve body (1) comprises a knob (101), a first valve body (102) and an air inlet structure (103); the knob (101) is movably connected to the upper part of the first valve body (102), and the air inlet structure (103) is transversely arranged and fixedly connected to one side of the first valve body (102) and is positioned below the digital display device (3);
the digital display device (3) comprises a controller, a display screen (301) and a shell (302), wherein the shell (302) is fixedly connected to the middle of the first valve body (102) and is located below the knob (101), the controller is fixedly connected to the inside of the shell (302), the display screen (301) is fixedly connected to the shell (302), and the controller is respectively and electrically connected with the display screen (301) and the knob (101).
2. The fine tuning valve according to claim 1, wherein the lower valve body (2) comprises a second valve body (201) and an air outlet structure (202), the second valve body (201) is fixedly connected with the first valve body (102), and the air outlet structure (202) is fixedly connected with the lower end of the second valve body (201) for connection with an external vacuum system.
3. The fine tuning valve according to claim 2, wherein the lower valve body (2) further comprises a vacuum pressure sensor (203), the vacuum pressure sensor (203) is fixedly connected to the air outlet structure (202), a detection hole is formed in the vacuum pressure sensor (203), and the vacuum pressure sensor (203) is electrically connected to the controller.
4. A trim valve according to claim 3, wherein the outlet aperture in the outlet structure (202) communicates with the detection aperture via an air duct.
5. The trim valve according to any of claims 2 to 4, wherein the second valve body (201) is bolted to the first valve body (102).
6. A trim valve according to any of claims 2 to 4, characterized in that the vacuum pressure sensor (203) is a DPA pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223604189.4U CN219062583U (en) | 2022-12-31 | 2022-12-31 | Fine tuning valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223604189.4U CN219062583U (en) | 2022-12-31 | 2022-12-31 | Fine tuning valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062583U true CN219062583U (en) | 2023-05-23 |
Family
ID=86342504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223604189.4U Active CN219062583U (en) | 2022-12-31 | 2022-12-31 | Fine tuning valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062583U (en) |
-
2022
- 2022-12-31 CN CN202223604189.4U patent/CN219062583U/en active Active
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