CN214331679U - Extensive applicability's chemical industry valve rod protection device - Google Patents
Extensive applicability's chemical industry valve rod protection device Download PDFInfo
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- CN214331679U CN214331679U CN202120435950.2U CN202120435950U CN214331679U CN 214331679 U CN214331679 U CN 214331679U CN 202120435950 U CN202120435950 U CN 202120435950U CN 214331679 U CN214331679 U CN 214331679U
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- cylindrical barrel
- fixing ring
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Abstract
The utility model relates to the field of chemical pipeline control components, and discloses a chemical valve rod protection device with wide applicability, which comprises an on-wheel valve rod protection mechanism and an off-wheel valve rod protection mechanism; the on-wheel valve rod protection mechanism is sleeved on the periphery of the exposed valve rod above the hand wheel and comprises a rubber protection cap, a first folding telescopic rubber protection sleeve, a rubber rod and a first rubber fixing ring; the lower wheel valve rod protection mechanism is sleeved on the periphery of the exposed valve rod below the hand wheel and comprises a second rubber fixing ring, a second folding telescopic rubber protection sleeve, a rubber rod and a third rubber fixing ring. The utility model can effectively avoid the valve rod from being stuck with sand or rusted in the daily use, and thoroughly eliminate the production inconvenience and the potential safety hazard caused by the sticking; the valve can be used for matching and selecting various valves with similar models, and the applicability is high; the structure is simple, the installation is rapid, and the manufacturing cost is low; the installation back is maintenance-free, and the life cycle is long.
Description
Technical Field
The utility model relates to a chemical industry pipeline control part field, concretely relates to extensive applicability's chemical industry valve rod protection device.
Background
In the current chemical industry, a large number of control valves are required in various devices to enhance the flow control of pipelines. The valve has various models, and the valve rod is exposed to the outside for a long time in the use process, and generally has no specific protective measures. Therefore, the valve rod is easy to rust when meeting water, sand and dust are easy to adhere to the position of the valve rod coated with the lubricating grease, the opening difficulty is caused, the inconvenience is brought to the daily production operation, and the potential safety hazard is also buried for the device.
SUMMERY OF THE UTILITY MODEL
For overcoming the defects of the prior art, the utility model provides a chemical valve rod protection device with wide applicability.
The technical scheme is as follows: the device comprises an on-wheel valve rod protection mechanism and an off-wheel valve rod protection mechanism; the on-wheel valve rod protection mechanism is sleeved on the periphery of the exposed valve rod above the hand wheel and comprises a rubber protection cap, a first folding telescopic rubber protection sleeve, a rubber rod and a first rubber fixing ring; the rubber protective cap is sleeved on the top of the valve rod and comprises a hemispherical cap head and a first cylindrical barrel connected with the lower part of the hemispherical cap head, and a small through hole is respectively formed in the opposite positions on the lower barrel wall of the first cylindrical barrel; the first folding telescopic rubber protective sleeve comprises a second cylindrical barrel, a first telescopic barrel and a third cylindrical barrel which are integrated up and down; the second cylindrical barrel is arranged between the valve rod and the first cylindrical barrel, a small through hole which is radially corresponding to the small through hole of the first cylindrical barrel is formed in the barrel wall of the second cylindrical barrel, a rubber stick is inserted into the corresponding small through holes of the first cylindrical barrel and the second cylindrical barrel, and the inner end of the rubber stick is clamped in the valve rod screw thread; the first telescopic cylinder is provided with a vertical cut, and a first zipper is arranged at the cut; the second cylindrical barrel and the third cylindrical barrel are provided with vertical notches which vertically correspond to the vertical notches of the first telescopic barrel; the first rubber fixing ring is arranged on the periphery of the third cylindrical barrel, a vertical notch is formed in the first rubber fixing ring, and first quick connecting pieces are arranged on two sides of the notch; the lower wheel valve rod protection mechanism is sleeved on the periphery of the exposed valve rod below the hand wheel and comprises a second rubber fixing ring, a second folding telescopic rubber protection sleeve, a rubber rod and a third rubber fixing ring; the second folding telescopic rubber protective sleeve comprises a fourth cylindrical barrel, a second telescopic barrel and a fifth cylindrical barrel which are integrated up and down; the second telescopic cylinder is provided with a vertical cut, and a second zipper is arranged at the cut; the fourth cylindrical barrel is provided with a vertical cut which vertically corresponds to the vertical cut of the second telescopic barrel, and the barrel wall of the fourth cylindrical barrel is provided with a small through hole at the corresponding position; the fifth cylindrical barrel is provided with a vertical cut which vertically corresponds to the vertical cut of the second telescopic barrel, and the barrel wall of the fifth cylindrical barrel is provided with a small through hole at the corresponding position; the second rubber fixing ring is arranged on the periphery of the fourth cylindrical barrel and is provided with a small through hole which is radially corresponding to the small through hole of the fourth cylindrical barrel, a rubber rod is inserted into the small through hole of the second rubber fixing ring and the corresponding small through hole of the fourth cylindrical barrel, and the inner end of the rubber rod is clamped in the valve rod screw thread; the third rubber fixing ring is arranged on the periphery of the fifth cylindrical barrel and is provided with a small through hole which is radially corresponding to the small through hole of the fifth cylindrical barrel, a rubber rod is inserted into the corresponding small through hole of the third rubber fixing ring and the fifth cylindrical barrel, and the inner end of the rubber rod is clamped in the valve rod screw thread; the second rubber fixing ring is provided with a vertical notch, and second quick connecting pieces are arranged on two sides of the notch; the third rubber fixing ring is provided with a vertical notch, and third quick connecting pieces are arranged on two sides of the notch.
The above technical solution can be further optimized as follows:
the first zipper and the second zipper respectively comprise a zipper groove and a matched zipper head.
The maximum extension length of the first folding telescopic rubber protective sleeve is slightly larger than the exposed length of the valve rod above the hand wheel after the valve is opened.
The inner diameters of the second cylindrical barrel, the third cylindrical barrel, the fourth cylindrical barrel and the fifth cylindrical barrel are slightly larger than the outer diameter of the valve rod.
The maximum extension length of the second folding telescopic rubber protective sleeve is the exposed length of the valve rod below the hand wheel.
The rubber protective cap, the first rubber fixing ring, the second rubber fixing ring and the third rubber fixing ring are made of flexible rubber materials.
The first telescopic cylinder and the second telescopic cylinder are made of oil-resistant, anti-aging and anti-folding rubber materials.
The thickness of the rubber protective cap, the first rubber fixing ring, the second rubber fixing ring and the third rubber fixing ring is not less than 2 millimeters.
The thickness of the first folding telescopic rubber protective sleeve and the second folding telescopic rubber protective sleeve is not less than 1 millimeter.
Compared with the prior art, the utility model discloses mainly have following beneficial technological effect:
1. can effectively avoid the valve rod to stick sand or rust in daily use, thoroughly eliminate inconvenient production and the potential safety hazard brought from this.
2. The valve can be used for matching and selecting various valves with similar models, and the applicability is high.
3. Simple structure, the installation is swift, low in manufacturing cost.
4. The installation back is maintenance-free, and the life cycle is long.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-hemispherical cap head, 2-second cylinder, 3-first zipper, 4-first telescopic cylinder, 5-first rubber retainer ring, 6-first quick connector, 7-second rubber retainer ring, 8-second quick connector, 9-second telescopic cylinder, 10-second zipper, 11-fifth cylinder, 12-third quick connector, 13-third rubber retainer ring, 14-first cylinder, 15-rubber rod, 16-third cylinder, 17-valve rod and 18-fourth cylinder.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
Example 1
Refer to fig. 1. The utility model provides a extensive applicability's chemical industry valve rod protection device, includes valve rod protection mechanism and wheel lower valve rod protection mechanism on the wheel. The valve rod protection mechanism on the wheel is sleeved on the periphery of a valve rod 17 exposed above the hand wheel and comprises a rubber protection cap, a first folding telescopic rubber protection sleeve, a rubber rod 15 and a first rubber fixing ring 5. The rubber protective cap is sleeved on the top of the valve rod 17 and comprises a hemispherical cap head 1 and a first cylindrical barrel 14 connected with the lower part of the hemispherical cap head, and small through holes are respectively arranged at the opposite positions on the lower barrel wall of the first cylindrical barrel 14. The first folding telescopic rubber protective sleeve comprises a second cylindrical barrel 2, a first telescopic barrel 4 and a third cylindrical barrel 16 which are integrated up and down. The second cylinder 2 is arranged between the valve rod 17 and the first cylinder 14, a small through hole corresponding to the small through hole of the first cylinder 14 in the radial direction is formed in the wall of the second cylinder 2, the rubber stick 15 is inserted into the corresponding small through hole of the first cylinder 14 and the second cylinder 2, and the inner end of the rubber stick 15 is clamped in the thread of the valve rod 17. The rubber rod 15 is used for fixing connection, so that the rubber protective cap can be ensured not to fall off along with the opening or closing of the valve and can be arranged on the top of the valve rod 17 all the time, and the first folding telescopic rubber protective sleeve can be ensured to be stretched along with the opening of the valve in time. The first telescopic cylinder 4 is provided with a vertical cut, and a first zipper 3 is arranged at the cut. The design of the zipper is convenient for the installation and sealing of the folding telescopic rubber protective sleeve. The second cylinder 2 and the third cylinder 16 are both provided with vertical cuts vertically corresponding to the vertical cuts of the first telescopic cylinder 4. The first rubber fixing ring 5 is arranged on the periphery of the third cylindrical barrel 16, a vertical notch is formed in the first rubber fixing ring 5, and first quick connecting pieces 6 are arranged on two sides of the notch. The lower wheel valve rod protection mechanism is sleeved on the periphery of a valve rod 17 exposed below the hand wheel and comprises a second rubber fixing ring 7, a second folding telescopic rubber protection sleeve, a rubber rod 15 and a third rubber fixing ring 13. The second folding telescopic rubber protective sleeve comprises a fourth cylinder 18, a second telescopic cylinder 9 and a fifth cylinder 11 which are integrated up and down. The second telescopic cylinder 9 is provided with a vertical cut, and a second zipper 10 is arranged at the cut. The fourth cylinder 18 is provided with a vertical cut which vertically corresponds to the vertical cut of the second telescopic cylinder 9, and the cylinder wall of the fourth cylinder 18 is provided with a small through hole at the corresponding position. The fifth cylinder 11 is provided with a vertical cut which vertically corresponds to the vertical cut of the second telescopic cylinder 9, and the wall of the fifth cylinder 11 is provided with a small through hole at the corresponding position. The second rubber fixing ring 7 is arranged on the periphery of the fourth cylindrical barrel 18 and is provided with a small through hole corresponding to the small through hole of the fourth cylindrical barrel 18 in the radial direction, the rubber stick 15 is inserted into the corresponding small through hole of the second rubber fixing ring 7 and the fourth cylindrical barrel 18, and the inner end of the rubber stick 15 is clamped in the screw thread of the valve rod 17. The third rubber fixing ring 13 is arranged on the periphery of the fifth cylindrical barrel 11 and is provided with a small through hole corresponding to the small through hole of the fifth cylindrical barrel 11 in the radial direction, a rubber stick 15 is inserted into the corresponding small through hole of the third rubber fixing ring 13 and the fifth cylindrical barrel 11, and the inner end of the rubber stick 15 is clamped in the screw thread of the valve rod 17. The second rubber fixing ring 7 is provided with a vertical notch, and two sides of the notch are provided with second quick connecting pieces 8. The third rubber fixing ring 13 is provided with a vertical notch, and the two sides of the notch are provided with third quick connecting pieces 12.
Example 2
Refer to fig. 1. The utility model provides a extensive applicability's chemical industry valve rod protection device, on the technical scheme basis that embodiment 1 recorded, first zip fastener 3 and second zip fastener 10 all include draw zipper groove and supporting draw zipper head to convenient operation.
Example 3
Refer to fig. 1. A chemical valve stem protector with wide applicability is characterized in that on the basis of the technical scheme recorded in embodiment 1, the maximum extension length of a first folding telescopic rubber protective sleeve is slightly greater than the exposed length of a valve stem 17 above a hand wheel after a valve is opened; the inner diameters of the second cylindrical barrel 2, the third cylindrical barrel 16, the fourth cylindrical barrel 18 and the fifth cylindrical barrel 11 are slightly larger than the outer diameter of the valve rod 17; the maximum extension length of the second folding telescopic rubber protective sleeve is the exposed length of the valve rod 17 below the hand wheel.
Example 4
Refer to fig. 1. A chemical valve rod protection device with wide applicability is characterized in that on the basis of the technical scheme recorded in embodiment 1, a rubber protection cap, a first rubber fixing ring 5, a second rubber fixing ring 7 and a third rubber fixing ring 13 are made of flexible rubber materials; the first telescopic cylinder 4 and the second telescopic cylinder 9 are made of oil-resistant, anti-aging and anti-folding rubber materials.
Example 5
Refer to fig. 1. A chemical valve rod protection device with wide applicability is characterized in that on the basis of the technical scheme recorded in embodiment 1, the thicknesses of a rubber protection cap, a first rubber fixing ring 5, a second rubber fixing ring 7 and a third rubber fixing ring 13 are not less than 2 mm; the thickness of the first folding telescopic rubber protective sleeve and the second folding telescopic rubber protective sleeve is not less than 1 millimeter.
The basic working principle of the utility model is as follows:
when the protective device is used, the valve rod is cleaned in advance, and lubricating grease is coated on the surface of the valve rod in advance. After the valve is installed and cleaned, sleeving a rubber protective cap on the valve rod, and connecting and fixing the first cylindrical barrel 14 and the second cylindrical barrel 2 by using a rubber rod 15; sealing the zipper groove by the zipper head of the first zipper 3; fixing a third cylindrical barrel 16 at the hand wheel nut through a first rubber fixing ring 5; the lower valve rod protection mechanism of the wheel is sleeved on the periphery of the exposed valve rod 17 below the hand wheel, the fourth cylindrical barrel 18 is fixed on the upper part of the valve rod 17 through the second rubber fixing ring 7, the fifth cylindrical barrel 11 is fixed on the lower part of the valve rod 17 through the third rubber fixing ring 13, and the zipper groove is sealed by the zipper head of the second zipper 10. When the valve is opened, the first folding telescopic protective sleeve extends along with the rotation of the hand wheel; when the valve is closed, the first folding telescopic protective sleeve is folded along with the rotation of the hand wheel.
Claims (9)
1. The utility model provides a extensive applicability's chemical industry valve rod protection device which characterized in that: the device comprises an on-wheel valve rod protection mechanism and an off-wheel valve rod protection mechanism; the on-wheel valve rod protection mechanism is sleeved on the periphery of the exposed valve rod above the hand wheel and comprises a rubber protection cap, a first folding telescopic rubber protection sleeve, a rubber rod and a first rubber fixing ring; the rubber protective cap is sleeved on the top of the valve rod and comprises a hemispherical cap head and a first cylindrical barrel connected with the lower part of the hemispherical cap head, and a small through hole is respectively formed in the opposite positions on the lower barrel wall of the first cylindrical barrel; the first folding telescopic rubber protective sleeve comprises a second cylindrical barrel, a first telescopic barrel and a third cylindrical barrel which are integrated up and down; the second cylindrical barrel is arranged between the valve rod and the first cylindrical barrel, a small through hole which is radially corresponding to the small through hole of the first cylindrical barrel is formed in the barrel wall of the second cylindrical barrel, a rubber stick is inserted into the corresponding small through holes of the first cylindrical barrel and the second cylindrical barrel, and the inner end of the rubber stick is clamped in the valve rod screw thread; the first telescopic cylinder is provided with a vertical cut, and a first zipper is arranged at the cut; the second cylindrical barrel and the third cylindrical barrel are provided with vertical notches which vertically correspond to the vertical notches of the first telescopic barrel; the first rubber fixing ring is arranged on the periphery of the third cylindrical barrel, a vertical notch is formed in the first rubber fixing ring, and first quick connecting pieces are arranged on two sides of the notch; the lower wheel valve rod protection mechanism is sleeved on the periphery of the exposed valve rod below the hand wheel and comprises a second rubber fixing ring, a second folding telescopic rubber protection sleeve, a rubber rod and a third rubber fixing ring; the second folding telescopic rubber protective sleeve comprises a fourth cylindrical barrel, a second telescopic barrel and a fifth cylindrical barrel which are integrated up and down; the second telescopic cylinder is provided with a vertical cut, and a second zipper is arranged at the cut; the fourth cylindrical barrel is provided with a vertical cut which vertically corresponds to the vertical cut of the second telescopic barrel, and the barrel wall of the fourth cylindrical barrel is provided with a small through hole at the corresponding position; the fifth cylindrical barrel is provided with a vertical cut which vertically corresponds to the vertical cut of the second telescopic barrel, and the barrel wall of the fifth cylindrical barrel is provided with a small through hole at the corresponding position; the second rubber fixing ring is arranged on the periphery of the fourth cylindrical barrel and is provided with a small through hole which is radially corresponding to the small through hole of the fourth cylindrical barrel, a rubber rod is inserted into the small through hole of the second rubber fixing ring and the corresponding small through hole of the fourth cylindrical barrel, and the inner end of the rubber rod is clamped in the valve rod screw thread; the third rubber fixing ring is arranged on the periphery of the fifth cylindrical barrel and is provided with a small through hole which is radially corresponding to the small through hole of the fifth cylindrical barrel, a rubber rod is inserted into the corresponding small through hole of the third rubber fixing ring and the fifth cylindrical barrel, and the inner end of the rubber rod is clamped in the valve rod screw thread; the second rubber fixing ring is provided with a vertical notch, and second quick connecting pieces are arranged on two sides of the notch; the third rubber fixing ring is provided with a vertical notch, and third quick connecting pieces are arranged on two sides of the notch.
2. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the first zipper and the second zipper respectively comprise a zipper groove and a matched zipper head.
3. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the maximum extension length of the first folding telescopic rubber protective sleeve is slightly larger than the exposed length of the valve rod above the hand wheel after the valve is opened.
4. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the inner diameters of the second cylindrical barrel, the third cylindrical barrel, the fourth cylindrical barrel and the fifth cylindrical barrel are slightly larger than the outer diameter of the valve rod.
5. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the maximum extension length of the second folding telescopic rubber protective sleeve is the exposed length of the valve rod below the hand wheel.
6. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the rubber protective cap, the first rubber fixing ring, the second rubber fixing ring and the third rubber fixing ring are made of flexible rubber materials.
7. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the first telescopic cylinder and the second telescopic cylinder are made of oil-resistant, anti-aging and anti-folding rubber materials.
8. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the thickness of the rubber protective cap, the first rubber fixing ring, the second rubber fixing ring and the third rubber fixing ring is not less than 2 millimeters.
9. The chemical valve rod protection device with wide applicability according to claim 1, and is characterized in that: the thickness of the first folding telescopic rubber protective sleeve and the second folding telescopic rubber protective sleeve is not less than 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435950.2U CN214331679U (en) | 2021-03-01 | 2021-03-01 | Extensive applicability's chemical industry valve rod protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435950.2U CN214331679U (en) | 2021-03-01 | 2021-03-01 | Extensive applicability's chemical industry valve rod protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214331679U true CN214331679U (en) | 2021-10-01 |
Family
ID=77884748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120435950.2U Active CN214331679U (en) | 2021-03-01 | 2021-03-01 | Extensive applicability's chemical industry valve rod protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214331679U (en) |
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2021
- 2021-03-01 CN CN202120435950.2U patent/CN214331679U/en active Active
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