CN215334797U - Electric actuator window sealing structure - Google Patents
Electric actuator window sealing structure Download PDFInfo
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- CN215334797U CN215334797U CN202121385477.8U CN202121385477U CN215334797U CN 215334797 U CN215334797 U CN 215334797U CN 202121385477 U CN202121385477 U CN 202121385477U CN 215334797 U CN215334797 U CN 215334797U
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- ring groove
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Abstract
The utility model relates to an electric actuator window sealing structure which comprises a control cavity cover, a transparent window and a pressing plate, wherein a first sight hole is formed in the middle of the control cavity cover, internal threads are formed in the first sight hole, a first ring groove is formed in the top of the first sight hole, a first O-shaped ring is installed in the first ring groove, a second ring groove and a third ring groove are formed in the bottom of the top of the first sight hole, a second O-shaped ring is installed in the second ring groove, a third O-shaped ring is installed in the third ring groove, the transparent window is provided with external threads, a clamping table is arranged at the bottom of the transparent window, a fourth ring groove is formed in the bottom of the clamping table, a fourth O-shaped ring is installed in the fourth ring groove, and the pressing plate is connected to the inner side of the control cavity cover through bolts. According to the utility model, the first O-shaped ring and the second O-shaped ring form a double-sealing structure, the third O-shaped ring and the fourth O-shaped ring form a third-layer sealing structure, and the sealing performance of the thread is improved greatly.
Description
Technical Field
The utility model relates to the technical field of valve control, in particular to a window sealing structure of an electric actuator.
Background
The electric actuator is also called an electric actuator, and can accurately move the valve to any position. Although most actuators are used for opening and closing valves, today the design of actuators goes far beyond simple switching functions, including position sensing, torque sensing, electrode protection, logic control, digital communication and PID control, all of which are housed in a compact housing. Electric actuator's window is convenient for the staff and is known the degree of opening and close of valve directly perceivedly, current window generally includes threaded connection in the control chamber lid of executor casing, arrange the transparent window in control chamber lid top side middle part in and be used for compressing tightly the window clamping ring in control chamber lid with transparent window, window clamping ring and control chamber lid adopt bolted connection, this kind of plane is to planar assembly form, the leakproofness is poor, very easily make damp in the electric actuator, cause the influence to inside control circuit of electric actuator and each mechanical component, shorten electric actuator life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a window sealing structure of an electric actuator.
The utility model is realized by the following technical scheme:
an electric actuator window sealing structure comprises a control cavity cover installed on an electric actuator, a transparent window arranged in the middle of the control cavity cover and a pressing plate arranged below the transparent window, wherein a first sight hole is formed in the middle of the control cavity cover, an internal thread is formed in the first sight hole, a clamping step is arranged on the inner periphery of the top end of the first sight hole, an annular groove is formed in the periphery of the bottom end of the first sight hole, a first annular groove is formed in the bottom surface of the clamping step, a first O-shaped ring is installed in the first annular groove, a second annular groove is formed in the top surface of the annular groove, a second O-shaped ring is installed in the second annular groove, a third annular groove is formed in the periphery of the annular groove, a third O-shaped ring is installed in the third annular groove, a plurality of first screw holes distributed at equal angles are formed in the periphery of the third annular groove, an external thread is formed in the transparent window, a pressing table matched with the first annular groove is arranged at the top of the transparent window, transparent window bottom is equipped with the ka tai with annular looks adaptation, the ka tai bottom is equipped with fourth circle groove, fourth O shape circle is installed to fourth circle inslot, and when ka tai top surface supported the annular groove top surface, fourth circle tank bottom surface flushed with third circle tank bottom surface mutually, the clamp plate middle part is equipped with the second eyehole, the clamp plate periphery be equipped with the second screw of first screw looks adaptation, the clamp plate is through first screw and second screw bolted connection in control chamber lid inboard.
Preferably, a plurality of rectangular grooves are formed in the inner side of the bottom end of the transparent window at equal angles.
Preferably, when the top surface of the clamping table abuts against the top surface of the ring groove, the top surface of the transparent window is slightly lower than the top surface of the control cavity cover.
Preferably, a sealant is coated between the internal thread and the external thread.
The utility model has the beneficial effects that:
according to the utility model, the first O-shaped ring and the second O-shaped ring form a double-sealing structure, the third O-shaped ring and the fourth O-shaped ring form a third-layer sealing structure, and the sealing performance and the sealant of the thread are added, so that the sealing performance of the whole structure is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. the novel LED lamp comprises a control cavity cover, 2, a first O-shaped ring, 3, a second O-shaped ring, 4, a transparent window, 5, a fourth O-shaped ring, 6, a third O-shaped ring, 7, a pressing plate, 8, a second screw hole, 9, a second sight hole, 10, a fourth ring groove, 11, a clamping table, 12, a pressing table, 13, a first screw hole, 14, a third ring groove, 15, a second ring groove, 16, a first ring groove, 17, a clamping step, 18, a first sight hole and 19, and a rectangular groove.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in the figure, the utility model comprises a control cavity cover 1 arranged on an electric actuator, a transparent window 4 arranged in the middle of the control cavity cover and a pressing plate 7 arranged below the transparent window, wherein a first sight hole 18 is arranged in the middle of the control cavity cover, an internal thread is arranged in the first sight hole, a clamping step 17 is arranged on the inner circumference of the top end of the first sight hole, a ring groove is arranged on the outer circumference of the bottom end of the first sight hole, a first ring groove 16 is arranged on the bottom surface of the clamping step, a first O-shaped ring 2 is arranged in the first ring groove, a second ring groove 15 is arranged on the top surface of the ring groove, a second O-shaped ring 3 is arranged in the second ring groove, a third ring groove 14 is arranged on the outer circumference of the ring groove of the control cavity cover, a third O-shaped window ring 6 is arranged in the third ring groove, a plurality of first screw holes 13 which are distributed at equal angles are arranged on the outer circumference of the third ring groove, the transparent window is provided with an external thread for connecting the transparent thread to the control cavity cover, the top of the transparent window is provided with a pressing table 12 matched with the first ring groove and used for pressing a first O-shaped ring to the first ring groove and improving the sealing performance of the transparent window and the control cavity cover, the bottom of the transparent window is provided with a clamping table 11 matched with the ring groove and used for pressing a second O-shaped ring to the second ring groove and further improving the sealing performance of the transparent window and the control cavity cover, the bottom of the clamping table is provided with a fourth ring groove 10, a fourth O-shaped ring 5 is arranged in the fourth ring groove, when the top surface of the clamping table is tightly pressed against the top surface of the ring groove, the bottom surface of the fourth ring groove is flush with the bottom surface of the third ring groove, the middle part of the pressing plate is provided with a second visual hole 9, the periphery of the pressing plate is provided with a second screw hole 8 matched with the first screw hole, the pressing plate is connected to the inner side of the control cavity cover through the first screw hole and the second screw hole bolt and is used for respectively pressing the third O-shaped ring and the fourth O-shaped ring to the third ring groove and the fourth ring groove, a double-sealing structure is formed between the transparent window and the control cavity cover through the first O-shaped ring and the second O-shaped ring, the third O-shaped ring and the fourth O-shaped ring form a third-layer sealing structure simultaneously, and the sealing performance of the threads is improved greatly.
The inboard equidistance of transparent window bottom is equipped with a plurality of rectangular channels 19, and in the production assembling process, the staff of being convenient for rotates transparent lock mother.
When the top surface of the clamping table abuts against the top surface of the ring groove, the top surface of the transparent window is slightly lower than the top surface of the control cavity cover, and the risk that the transparent window is scratched can be reduced in the processes of storage, transportation and use.
And a sealant is coated between the internal thread and the external thread, so that the sealing performance of the transparent window and the control cavity cover can be further improved.
According to the utility model, the first O-shaped ring and the second O-shaped ring form a double-sealing structure, the third O-shaped ring and the fourth O-shaped ring form a third-layer sealing structure, and the sealing performance and the sealant of the thread are added, so that the sealing performance of the whole structure is greatly improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A window sealing structure of an electric actuator is characterized by comprising a control cavity cover arranged on the electric actuator, a transparent window arranged in the middle of the control cavity cover and a pressing plate arranged below the transparent window,
the middle part of the control cavity cover is provided with a first sight hole, the first sight hole is provided with an internal thread, the inner periphery of the top end of the first sight hole is provided with a clamping step, the outer periphery of the bottom end of the first sight hole is provided with an annular groove, the bottom surface of the clamping step is provided with a first ring groove, a first O-shaped ring is arranged in the first ring groove, the top surface of the annular groove is provided with a second ring groove, a second O-shaped ring is arranged in the second ring groove, the outer periphery of the annular groove of the control cavity cover is provided with a third ring groove, a third O-shaped ring is arranged in the third ring groove, the outer periphery of the third ring groove is provided with a plurality of first screw holes which are distributed at equal angles,
the transparent window is provided with external threads, the top of the transparent window is provided with a pressing platform matched with the first ring groove, the bottom of the transparent window is provided with a clamping platform matched with the ring groove, the bottom of the clamping platform is provided with a fourth ring groove, a fourth O-shaped ring is arranged in the fourth ring groove, when the top surface of the clamping platform is tightly pressed against the top surface of the ring groove, the bottom surface of the fourth ring groove is flush with the bottom surface of the third ring groove,
the middle part of the pressing plate is provided with a second sight hole, the periphery of the pressing plate is provided with a second screw hole matched with the first screw hole, and the pressing plate is connected to the inner side of the control cavity cover through the first screw hole and the second screw hole through bolts.
2. The electric actuator window sealing structure of claim 1, wherein a plurality of rectangular grooves are formed at equal angles on the inner side of the bottom end of the transparent window.
3. The electrical actuator window seal arrangement of claim 1, wherein the transparent window top surface is slightly below the control chamber cover top surface when the chuck table top surface abuts the ring groove top surface.
4. The window seal arrangement of an electric actuator of claim 1, wherein a sealant is applied between said internal thread and said external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121385477.8U CN215334797U (en) | 2021-06-22 | 2021-06-22 | Electric actuator window sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121385477.8U CN215334797U (en) | 2021-06-22 | 2021-06-22 | Electric actuator window sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334797U true CN215334797U (en) | 2021-12-28 |
Family
ID=79560044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121385477.8U Active CN215334797U (en) | 2021-06-22 | 2021-06-22 | Electric actuator window sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334797U (en) |
-
2021
- 2021-06-22 CN CN202121385477.8U patent/CN215334797U/en active Active
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