CN212480272U - Scale window structure of valve electric device - Google Patents
Scale window structure of valve electric device Download PDFInfo
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- CN212480272U CN212480272U CN202020691036.XU CN202020691036U CN212480272U CN 212480272 U CN212480272 U CN 212480272U CN 202020691036 U CN202020691036 U CN 202020691036U CN 212480272 U CN212480272 U CN 212480272U
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- scale window
- screw
- valve electric
- scale
- electric device
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Abstract
The utility model discloses a valve electric actuator scale window structure, it includes case cover b, polycarbonate plastics scale window, O shape circle, screw an and screw b, the superiority: by adopting the structure, the utility model, the polycarbonate plastic is a colorless transparent, heat-resistant and impact-resistant material, which not only meets the requirement of observing the scale of the valve electric device, but also avoids the damage of sundries to the scale window; a pressure ring structure is omitted, and a polycarbonate plastic scale window with a boss is adopted, so that the assembly and disassembly are simpler and more convenient; the sealing between the valve electric device and the outside is realized by the 0-shaped ring, the polycarbonate plastic scale window is arranged on the inner side of the box cover b, the influence of the surrounding working condition environment on the O-shaped ring is avoided, the service life of the O-shaped ring is greatly prolonged, and the sealing reliability is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of the valve electric actuator, especially a valve electric actuator scale window structure.
Background
At present, a valve electric device is electromechanical integrated industrial equipment which is matched with a valve for use and controls the opening and closing of the valve. The general valve electric device is provided with a scale observation window for observing the opening and closing conditions of the valve.
The structure of a scale window of an electric valve device in the prior art is shown in fig. 1, a glass scale window 2 is installed on a box cover a1 through transition fit, a rubber pad 6 is arranged between the glass scale window 2 and a press ring 3, the press ring 3 is installed on a box cover a1 and fixed on the box cover a1 through a screw a4 and a screw b5, and after the screw a4 and the screw b5 are screwed down, the rubber pad 6 and the glass scale window 2 are pressed tightly, so that the scale window is sealed with the outside.
However, this structure has the following disadvantages: due to the fact that the field working condition and environment are complex, the glass scale window is easily broken by impact of sundries, the glass scale window is damaged, the frequency of replacing the glass scale window is obviously increased, and the after-sale maintenance cost is increased; the compression ring and the rubber pad are exposed outside for a long time and are subjected to wind, sun and rain for a long time to cause corrosion of the compression ring and aging of the rubber pad, so that the sealing structure fails to work, rainwater permeates into the box cover a, and the field use condition of the valve electric device is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve electric actuator scale window structure, it can improve the adaptability of valve electric actuator to site work condition environment at to a great extent, improves life.
The technical scheme of the utility model: the utility model provides a valve electric actuator scale window structure, its characterized in that it includes case cover b, polycarbonate plastics scale window, O shape circle, screw a and screw b, polycarbonate plastics scale window installs on case cover b through transition fit, there is the boss polycarbonate plastics scale window's outer lane, there are slot and via hole on the boss, 0 type circle is arranged in the slot of polycarbonate plastics scale window, screw a and screw b pass through the via hole with polycarbonate plastics scale window and case cover b fastening.
The utility model has the advantages and positive effects that: by adopting the structure, the utility model, the polycarbonate plastic is a colorless transparent, heat-resistant and impact-resistant material, which not only meets the requirement of observing the scale of the valve electric device, but also avoids the damage of sundries to the scale window; a pressure ring structure is omitted, and a polycarbonate plastic scale window with a boss is adopted, so that the assembly and disassembly are simpler and more convenient; the sealing between the valve electric device and the outside is realized by the 0-shaped ring, the polycarbonate plastic scale window is arranged on the inner side of the box cover b, the influence of the surrounding working condition environment on the O-shaped ring is avoided, the service life of the O-shaped ring is greatly prolonged, and the sealing reliability is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic structural view of a scale window structure of a valve electric actuator.
1 is box cover a, 2 is the glass scale window, 3 is the clamping ring, 4 is screw a, 5 is screw b, 6 rubber pads, 7 is box cover b, 8 is the polycarbonate plastics scale window, 9 is the O shape circle.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
example (b): the utility model provides a valve electrically operated device scale window structure (see fig. 2), its characterized in that it includes box cover b7, polycarbonate plastics scale window 8, O shape circle 9, screw a4 and screw b5, polycarbonate plastics scale window 8 is installed on box cover b7 through transition fit, there is the boss polycarbonate plastics scale window 8's outer lane, there are slot and via hole on the boss, 0 type circle 9 is arranged in the slot of polycarbonate plastics scale window 8, screw a4 and screw b5 pass through the via hole with polycarbonate plastics scale window 8 and box cover b7 fastening.
Claims (1)
1. The utility model provides a valve electric actuator scale window structure, its characterized in that it includes case cover b, polycarbonate plastics scale window, O shape circle, screw a and screw b, polycarbonate plastics scale window installs on case cover b through transition fit, there is the boss polycarbonate plastics scale window's outer lane, there are slot and via hole on the boss, 0 type circle is arranged in the slot of polycarbonate plastics scale window, screw a and screw b pass through the via hole with polycarbonate plastics scale window and case cover b fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020691036.XU CN212480272U (en) | 2020-04-29 | 2020-04-29 | Scale window structure of valve electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020691036.XU CN212480272U (en) | 2020-04-29 | 2020-04-29 | Scale window structure of valve electric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212480272U true CN212480272U (en) | 2021-02-05 |
Family
ID=74454966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020691036.XU Active CN212480272U (en) | 2020-04-29 | 2020-04-29 | Scale window structure of valve electric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212480272U (en) |
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2020
- 2020-04-29 CN CN202020691036.XU patent/CN212480272U/en active Active
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