CN216242619U - High-precision valve opening indicating device - Google Patents
High-precision valve opening indicating device Download PDFInfo
- Publication number
- CN216242619U CN216242619U CN202122927199.0U CN202122927199U CN216242619U CN 216242619 U CN216242619 U CN 216242619U CN 202122927199 U CN202122927199 U CN 202122927199U CN 216242619 U CN216242619 U CN 216242619U
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- box body
- screw rod
- screw
- bevel gear
- strip
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Abstract
The utility model discloses a high-precision valve opening indicating device which comprises a driving bevel gear, a driven bevel gear and a long-strip-shaped box body, wherein a fixing plate is arranged at the top of the box body, a screw rod is arranged in the box body, the left end of the screw rod is fixed on the driven bevel gear, strip-shaped holes are formed in the front side and the rear side of the box body, a valve opening indicating plate is arranged on the box body wall positioned on the outer side of the strip-shaped holes, a transmission nut is screwed on the screw rod positioned in the box body, pointers extending from the strip-shaped holes in the front side and the rear side of the box body to the outer side of the box body are arranged on the opposite sides of the transmission nut, a screw rod supporting ring is arranged on the right side in the box body, the right end of the screw rod is positioned in the screw rod supporting ring, a circumferential groove is formed in the left side of the screw rod positioned in the box body, a limiting supporting ring is arranged on the left side in the box body, and a split ring matched with the circumferential groove in the left side of the screw rod is arranged in the limiting supporting ring. After the valve is applied to the utility model, the opening degree of the valve can be intuitively and accurately indicated.
Description
Technical Field
The utility model relates to a high-precision valve opening indicating device.
Background
The basic structure of the flow regulating valve in the prior art is as follows: the cylindrical valve body is provided with a coaxial cylindrical valve core guide cylinder, a coaxial cylindrical valve core is arranged in the valve core guide cylinder, a valve shaft perpendicular to the valve body axis is inserted into the valve body, a valve core driving device is arranged between the valve shaft and the valve core, the rotation of the valve shaft can drive the valve core to move linearly along the valve body axis, the distance of the valve core moving along the valve body axis is in linear relation with the rotating angle of the valve shaft, and the opening degree of the valve is also in linear relation with the rotating angle of the valve shaft.
In the prior art, the opening degree of the flow regulating valve is judged by observation of an operator, and no indicating device capable of directly indicating the opening degree of the valve exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-precision valve opening indicating device which can intuitively and accurately indicate the valve opening.
In order to solve the above-mentioned technical problem, the high-precision valve opening indicating device of the present invention is characterized in that: the automatic opening-closing device comprises a driving bevel gear, a driven bevel gear and a long-strip-shaped box body which are matched with each other, wherein a fixing plate is fixedly arranged at the top of the box body, a mounting hole is formed in the upper part of the fixing plate, a screw rod is rotatably arranged in the box body, the left end of the screw rod extends out of the box body and is fixed on the driven bevel gear, strip-shaped holes along the length direction of the box body are formed in the front side and the rear side of the box body corresponding to the screw rod, a valve opening indicator is arranged on the box body wall outside the strip-shaped holes, a transmission nut is screwed on the screw rod in the box body, pointers extending out of the box body from the strip-shaped holes in the front side and the rear side of the box body are arranged on the two opposite sides of the transmission nut, and when the driving bevel gear drives the driven bevel gear to rotate, the pointers on the two sides of the transmission nut can slide along the strip-shaped holes in the two sides of the box body; the right end of the screw is provided with a screw rod section, correspondingly, a screw rod supporting ring is fixedly arranged on the right side in the box body, and the screw rod section at the right end of the screw is positioned in the screw rod supporting ring on the right side of the box body; the left side of the screw rod in the box body is provided with a circumferential groove, the left side in the box body is correspondingly fixedly provided with a limiting support ring, the left side of the limiting support ring is provided with a circumferential concave table with reduced diameter, a split ring which is matched with the circumferential groove on the left side of the screw rod and used for preventing the screw rod from axially moving is arranged in the circumferential concave table, and the left side of the limiting support ring is provided with a gland through a screw.
As an improvement of the utility model, a spring washer is arranged between the screw and the gland.
By adopting the high-precision valve opening indicating device with the structure and the valve opening indicator with the structure, when the high-precision valve opening indicating device is used, the driving bevel gear is sleeved on the valve shaft of the valve, when the valve shaft rotates, the driving bevel gear correspondingly rotates, when the driving bevel gear drives the driven bevel gear to rotate, the rotation of the screw rod can enable the pointers on the two sides of the transmission nut to slide along the strip-shaped holes on the two sides of the box body, so that the opening of the valve can be indicated, and after the screw rod support ring is arranged, the stability of the screw rod can be improved; furthermore, a circumferential groove is formed in the left side of the screw, and after the split rings are arranged in the circumferential groove, the axial movement of the screw can be prevented, and the indicating precision of the utility model can be improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic front view of a high-precision valve opening indicating device according to the present invention.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Fig. 3 is a left side view of the structure of fig. 1.
Fig. 4 is an enlarged view of the structure at I in fig. 2.
Fig. 5 is a left side view of the structure of fig. 4.
Fig. 6 is the view of fig. 4 with the screw and gland removed.
Fig. 7 is a left side view of the structure of fig. 6.
Fig. 8 is a schematic view showing a structure of the present invention when it is mounted on a valve shaft of a flow rate control valve.
Detailed Description
Referring to fig. 1 to 7, the high-precision valve opening indicating device of the present invention is characterized in that: the novel spiral bevel gear box comprises a driving bevel gear 1, a driven bevel gear 2 and a long strip-shaped box body 3 which are matched with each other, wherein a fixing plate 4 is fixedly arranged at the top of the box body, a mounting hole 5 is formed in the upper part of the fixing plate, a screw rod 6 is rotatably arranged in the box body, the left end of the screw rod extends out of the box body and is fixed on the driven bevel gear 2, strip-shaped holes 7 along the length direction of the box body are formed in the front side and the rear side of the box body corresponding to the screw rod, a valve opening indicator 8 is arranged on the box body wall outside the strip-shaped holes, a transmission nut 9 is screwed on the screw rod in the box body, pointers 10 extending out of the strip-shaped holes 7 in the front side and the rear side of the box body are arranged on the two opposite sides of the transmission nut, and when the driving bevel gear 1 drives the driven bevel gear 2 to rotate, the pointers 10 on the two sides of the transmission nut can slide along the strip-shaped holes 7 in the two sides of the box body through the rotation of the screw rod 6; the right end of the screw 6 is provided with a screw section 11, correspondingly, the right side in the box body 3 is fixedly provided with a screw support ring 12, and the screw section 11 at the right end of the screw is positioned in the screw support ring 12 at the right side of the box body; the left side of the screw 6 in the box body 3 is provided with a circumferential groove 13, correspondingly, the left side in the box body is fixedly provided with a limiting support ring 14, the left side of the limiting support ring is provided with a circumferential concave table 15 with reduced diameter, a split ring 16 which is matched with the circumferential groove 13 on the left side of the screw and is used for preventing the axial movement of the screw is arranged in the circumferential concave table, and a gland 18 which is used for preventing the split ring from sliding out of the circumferential concave table 15 is arranged on the left side of the limiting support ring through a screw 17. A spring washer 19 is arranged between the screw 17 and the gland 18.
Fig. 8 is a schematic view showing a structure of the present invention when it is mounted on a valve shaft of a flow rate control valve. In the figure, a driving bevel gear 1 of the utility model is sleeved on a valve shaft 100 of a flow regulating valve, a fixed plate 4 at the top of a box body of the utility model is fixed on a mounting rack of an electric actuator 101, and when the electric actuator drives the valve shaft to rotate, the driving bevel gear 1 of the utility model correspondingly rotates. The valve opening indication plate 8 of the utility model is provided with opening numerical values which are in one-to-one correspondence with the valve openings of the applied valves, and the opening numerical values can be obtained by simple calculation.
The utility model is not limited to the valve opening indication of the flow regulating valve, and the utility model can be applied to the valve opening indication as long as the valve shaft rotation and the valve opening are in a linear relation.
Claims (2)
1. A high accuracy valve opening indicating device which characterized in that: comprises a driving bevel gear (1), a driven bevel gear (2) and a long-strip-shaped box body (3) which are matched with each other, wherein the top of the box body is fixedly provided with a fixing plate (4), the upper part of the fixing plate is provided with a mounting hole (5), a screw rod (6) is rotatably arranged in the box body, the left end of the screw rod extends out of the box body and is fixed on the driven bevel gear (2), the front and the back sides of the box body corresponding to the screw rod are provided with strip holes (7) along the length direction of the box body, the box body wall positioned at the outer side of the strip holes is provided with a valve opening indicator (8), the screw rod positioned in the box body is screwed with a transmission nut (9), the opposite sides of the transmission nut are provided with pointers (10) extending from the strip holes (7) at the front and the back sides of the box body to the outer side of the box body, when the driving bevel gear (1) drives the driven bevel gear (2) to rotate, the rotation of the screw rod (6) can enable the pointers (10) at the two sides of the transmission nut to slide along the strip-shaped holes (7) at the two sides of the box body; the right end of the screw (6) is provided with a screw section (11), correspondingly, a screw support ring (12) is fixedly arranged on the right side in the box body (3), and the screw section (11) at the right end of the screw is positioned in the screw support ring (12) on the right side of the box body; the left side of a screw rod (6) in the box body (3) is provided with a circumferential groove (13), correspondingly, the left side in the box body is fixedly provided with a limiting support ring (14), the left side of the limiting support ring is provided with a circumferential concave table (15) with reduced diameter, a split ring (16) which is matched with the circumferential groove (13) on the left side of the screw rod and used for preventing the axial movement of the screw rod is arranged in the circumferential concave table, and the left side of the limiting support ring is provided with a gland (18) through a screw (17).
2. The high-precision valve opening degree indicating device according to claim 1, characterized in that: and a spring washer (19) is arranged between the screw (17) and the gland (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927199.0U CN216242619U (en) | 2021-11-26 | 2021-11-26 | High-precision valve opening indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927199.0U CN216242619U (en) | 2021-11-26 | 2021-11-26 | High-precision valve opening indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242619U true CN216242619U (en) | 2022-04-08 |
Family
ID=80958689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122927199.0U Active CN216242619U (en) | 2021-11-26 | 2021-11-26 | High-precision valve opening indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242619U (en) |
-
2021
- 2021-11-26 CN CN202122927199.0U patent/CN216242619U/en active Active
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