CN114754191A - Detachable valve rod nut locking device - Google Patents
Detachable valve rod nut locking device Download PDFInfo
- Publication number
- CN114754191A CN114754191A CN202210429936.0A CN202210429936A CN114754191A CN 114754191 A CN114754191 A CN 114754191A CN 202210429936 A CN202210429936 A CN 202210429936A CN 114754191 A CN114754191 A CN 114754191A
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- China
- Prior art keywords
- nut sleeve
- fixedly connected
- threaded
- limiting plate
- valve rod
- Prior art date
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- 230000001105 regulatory effect Effects 0.000 claims description 18
- 230000006978 adaptation Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
Abstract
The invention discloses a detachable valve rod nut locking device, which relates to the technical field of valves and comprises a valve body and a valve rod main body movably arranged on the valve body, wherein a nut sleeve and an adjusting wheel are movably arranged at the top of the valve rod main body, a locking assembly is arranged between the nut sleeve and the adjusting wheel, a cavity is formed in the nut sleeve, the locking assembly comprises a clamping part and a positioning part, the clamping part comprises a threaded section, a pull rod, a limiting plate, a clamping column and a butting spring, the diameter of the threaded section is smaller than that of the valve rod main body, the nut sleeve is in threaded connection with the threaded section, the threaded section is fixedly connected with the top end of the valve rod main body, the limiting plate is movably arranged in the cavity, and one side of the limiting plate is fixedly connected with the pull rod. The invention relates to a detachable valve rod nut locking device, which can stably connect a nut sleeve, an adjusting wheel and a valve rod main body by arranging a locking assembly, prevent looseness and simultaneously facilitate the disassembly of the valve rod main body.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a detachable valve rod nut locking device.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, stabilizing pressure, shunting, overflowing and pressure relief and the like, can be used for controlling various types of fluid flowing valves of air, water, steam, various corrosive media, slurry, liquid metal and the like, is widely used due to the advantages of small fluid flowing resistance, labor-saving opening and closing of the valve, high action sensitivity, strong reliability and the like, and is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium. According to their function, they can be classified into shut-off valves, stop valves, regulating valves, and the like.
The stop valve is also called a gate valve and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to prevent the leakage of a forced sealing surface. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod bending can occur.
On the existing market, the valve-stem nut that the stop valve includes, generally there is to constitute by nut cap and valve rod, carry out threaded connection through nut cap and valve rod, thereby carry out the chucking with the regulating wheel of stop valve and fix, make things convenient for the regulating wheel to drive the valve rod and rotate, however, current stop valve is at long-time during operation because multiple reasons, such as the flow resistance, the velocity of flow, the change of pressure etc. can make the stop valve produce the vibration, cause easily to produce axial displacement between nut cap and the valve rod, thereby lead to the regulating wheel to take place to become flexible, influence the use, therefore, now provide a detachable valve-stem nut locking device.
Disclosure of Invention
The invention mainly aims to provide a detachable valve rod nut locking device which can effectively solve the problem that the existing stop valve in the background art can cause the stop valve to vibrate due to various reasons such as flow resistance, flow velocity, pressure change and the like when working for a long time, and axial movement is easily generated between a nut cap and a valve rod, so that a regulating wheel is loosened and the use is influenced.
In order to realize the purpose, the invention adopts the technical scheme that: a detachable valve rod nut locking device comprises a valve body and a valve rod main body movably arranged on the valve body, wherein a nut sleeve and an adjusting wheel are movably arranged at the top of the valve rod main body, a locking assembly is arranged between the nut sleeve and the adjusting wheel, and a cavity is formed in the nut sleeve;
the locking assembly comprises a clamping component and a positioning component;
the clamping component comprises a threaded section, a pull rod, a limiting plate, a clamping column and a collision spring, the diameter of the threaded section is smaller than that of the valve rod main body, the nut sleeve is in threaded connection with the threaded section, the threaded section is fixedly connected with the top end of the valve rod main body, the limiting plate is movably arranged in the cavity, one side of the limiting plate is fixedly connected with the pull rod, the other end of the limiting plate is fixedly connected with the clamping column, a fixing groove matched with the clamping column is formed in the side face of the threaded section, when the nut sleeve is in threaded connection with the threaded section and rotates to be in contact with the top of the adjusting wheel, the clamping column can be exactly aligned with the fixing groove, one end of the collision spring is fixedly connected with the side face of the limiting plate, the other end of the collision spring is fixedly connected with the inner wall of the cavity, and the nut sleeve and the threaded section can be locked;
The positioning component comprises a threaded ring, an extension spring and a clamping block, the threaded ring is fixedly connected with the bottom of the nut sleeve, a limiting groove matched with the threaded ring is formed in the top of the adjusting wheel, the clamping block can be just clamped with the clamping groove when the threaded ring rotates to the bottom of the limiting groove, the mounting groove is formed in the inner wall of the limiting groove, one end of the extension spring is fixedly connected with the inner wall of the mounting groove, the other end of the extension spring is fixedly connected with the clamping block, the clamping groove matched with the clamping block is formed in the side face of the threaded ring, and the threaded ring and the adjusting wheel can be positioned.
Preferably, the side of limiting plate is provided with the pulley, the spout with pulley looks adaptation is seted up to the cavity inner wall, can improve the flexibility that the limiting plate removed.
Preferably, the quantity of chucking part has two sets ofly, and two sets of chucking part is the symmetric distribution along the vertical axis of screw thread section, wherein every group calorie post quantity in the chucking part has two, and two the card post is the symmetric distribution along the horizontal axis of limiting plate, can improve the stability of locking between nut cover and the screw thread section.
Preferably, the number of the positioning parts is two, and the two positioning parts are symmetrically distributed along the vertical central axis of the thread section, so that the connection stability between the thread ring and the adjusting wheel can be improved.
Preferably, one end of the pull rod, which is far away from the limiting plate, extends out of the nut sleeve, a check bolt is arranged on the pull rod, and a threaded hole matched with the nut sleeve is formed in the outer side of the nut sleeve, so that the pull rod is conveniently locked, and the pull rod is prevented from moving.
Preferably, the bottom fixedly connected with holding ring of regulating wheel, the constant head tank with holding ring looks adaptation is seted up at the top of valve rod body, can fix a position the regulating wheel.
Preferably, the bottom fixedly connected with chucking ring of nut cover, the chucking groove with chucking ring looks adaptation is seted up at the top of regulating wheel, can fix a position the thread bush to carry out mutual block to the regulating wheel.
Preferably, an oil filling port is formed in the top of the nut sleeve, a sealing plug is arranged on the oil filling port, the oil filling port is communicated with the inner side of the nut sleeve, so that oil can be filled into the nut sleeve conveniently, and the thread section can be lubricated.
Preferably, an annular groove is formed in the outer ring side of the threaded ring, the longitudinal section of the annular groove is in a right-angled triangle shape, and the clamping block can conveniently slide on the outer side of the threaded ring through the annular groove.
Compared with the prior art, the invention has the following beneficial effects:
1. In the invention, through arranging the clamping component, the adjusting wheel is firstly sleeved on the outer ring side of the threaded section, the pull rod is pulled, so that the pull rod drives the limiting block to move, thereby driving the clamp column to move, enabling the clamp column to be separated from the inner side of the nut sleeve, enabling the abutting spring to be in a compressed state under the extrusion of the limiting block, connecting the nut sleeve with the thread section in a threaded manner, loosening the pull rod until the nut sleeve rotates until the bottom of the nut sleeve is attached to the top of the adjusting wheel, enabling the limiting block to move under the reset action of the abutting spring, thereby driving the clamping column to move until the clamping column is clamped with the fixed groove, completing the positioning between the nut sleeve and the thread section, preventing the nut sleeve and the thread section from rotating, through screwing up the check bolt, can fix the pull rod, prevent that the kelly from taking place to remove, cause to be connected not hard up between nut cover and the screw thread section.
2. According to the invention, through arranging the positioning component, when the nut sleeve moves downwards, the threaded ring can be clamped with the limiting groove, when the bottom end of the threaded ring is contacted with the clamping block, the clamping ring can move towards the mounting groove under the action of the annular groove, at the moment, the tension spring is in a compression state until the threaded ring moves to the bottom of the limiting groove, and at the moment, the clamping groove is over against the clamping block, so that the clamping block can be clamped with the clamping groove under the reset action of the tension spring, the connection positioning between the threaded ring and the adjusting wheel is completed, and the nut sleeve can be clamped with the adjusting nut through arranging the clamped threaded ring, so that the connection stability among the adjusting wheel, the nut sleeve and the threaded section is further improved, and the looseness is prevented.
Drawings
FIG. 1 is an elevation view of a removable stem nut locking device of the present invention;
FIG. 2 is a front cross-sectional view of a removable stem nut locking device of the present invention;
FIG. 3 is an enlarged view of the structure of the removable stem nut locking device of the present invention at location A in FIG. 2;
FIG. 4 is an enlarged view of the removable stem nut locking apparatus of the present invention shown at B in FIG. 3;
FIG. 5 is an enlarged view of the structure of the removable stem nut locking device of the present invention at C of FIG. 3;
fig. 6 is a perspective view of an adjusting wheel structure of the detachable stem nut locking device of the present invention.
In the figure: 1. a valve body; 2. a valve stem body; 3. a nut sleeve; 4. an adjustment wheel; 5. a cavity; 6. a threaded segment; 7. a pull rod; 8. a limiting plate; 9. clamping the column; 10. against the spring; 11. a threaded ring; 12. an extension spring; 13. a clamping block; 14. a limiting groove; 15. mounting grooves; 16. a pulley; 17. a lock bolt; 18. a positioning ring; 19. positioning a groove; 20. a clamping ring; 21. a clamping groove; 22. an oil filling port; 23. and (4) sealing the plug.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1-6, the invention is a detachable valve rod nut locking device, comprising a valve body 1 and a valve rod main body 2 movably arranged on the valve body 1, wherein a nut sleeve 3 and an adjusting wheel 4 are movably arranged on the top of the valve rod main body 2, a locking assembly is arranged between the nut sleeve 3 and the adjusting wheel 4, and a cavity 5 is arranged in the nut sleeve 3;
the locking assembly comprises a clamping component and a positioning component;
the clamping component comprises a threaded section 6, a pull rod 7, a limiting plate 8, a clamping column 9 and a butting spring 10, the diameter of the threaded section 6 is smaller than that of the valve rod main body 2, the nut sleeve 3 is in threaded connection with the threaded section 6, the threaded section 6 is fixedly connected with the top end of the valve rod body, the limiting plate 8 is movably arranged in the cavity 5, one side of the limiting plate 8 is fixedly connected with the pull rod 7, the other end of the limiting plate 8 is fixedly connected with the clamping column 9, a fixing groove matched with the clamping column 9 is formed in the side surface of the threaded section 6, when the nut sleeve 3 is in threaded connection with the threaded section 6 and rotates to be in contact with the top of the adjusting wheel 4, the clamping column 9 can be exactly aligned with the fixing groove, one end of the butting spring 10 is fixedly connected with the side surface of the limiting plate 8, the other end of the butting spring 10 is fixedly connected with the inner wall of the cavity 5, and the nut sleeve 3 and the threaded section 6 can be locked;
The locating part includes threaded ring 11, extension spring 12 and fixture block 13, threaded ring 11 and nut cover 3's bottom fixed connection, spacing groove 14 with threaded ring 11 looks adaptation is seted up at the top of regulating wheel 4, threaded ring 11 rotates when spacing groove 14 bottom, fixture block 13 can just with draw-in groove looks block, mounting groove 15 has been seted up to spacing groove 14's inner wall, extension spring 12's one end and mounting groove 15's inner wall fixed connection, extension spring 12's the other end and fixture block 13 fixed connection, the draw-in groove with fixture block 13 looks adaptation is seted up to threaded ring 11's side, can fix a position between threaded ring 11 and the regulating wheel 4.
The side of limiting plate 8 is provided with pulley 16, and the spout with 16 looks adaptations of pulley is seted up to 5 inner walls of cavity, can improve the flexibility that limiting plate 8 removed.
The quantity of chucking part has two sets ofly, and two sets of chucking parts are the symmetric distribution along the vertical axis of screw thread section 6, and wherein the card post 9 quantity in every group chucking part has two, and two card posts 9 are the symmetric distribution along the horizontal axis of limiting plate 8, can improve the stability of locking between nut cover 3 and the screw thread section 6.
The quantity of locating component has two sets ofly, and two sets of locating component are the symmetric distribution along the vertical axis of screw thread section 6, can improve the connection stability between threaded ring 11 and the regulating wheel 4.
One end of the pull rod 7, which is far away from the limiting plate 8, extends to the outside of the nut sleeve 3, a locking bolt 17 is arranged on the pull rod 7, and a threaded hole matched with the nut sleeve 3 is formed in the outer side of the nut sleeve 3, so that the pull rod 7 is conveniently locked, and the pull rod is prevented from moving.
The bottom of regulating wheel 4 is fixedly connected with holding ring 18, and the top of valve rod body is seted up the constant head tank 19 with holding ring 18 looks adaptation, can fix a position regulating wheel 4.
The bottom fixedly connected with chucking ring 20 of nut cover 3, the chucking groove 21 with chucking ring 20 looks adaptation is seted up at the top of regulating wheel 4, can fix a position the thread bush to carry out mutual block to regulating wheel 4.
An oil filling port 22 is formed in the top of the nut sleeve 3, a sealing plug 23 is arranged on the oil filling port 22, and the oil filling port 22 is communicated with the inner side of the nut sleeve 3, so that oil can be filled into the nut sleeve 3 conveniently, and the threaded section 6 can be lubricated.
An annular groove is formed in the outer ring side of the threaded ring 11, the longitudinal section of the annular groove is in a right-angled triangle shape, and the clamping block 13 can conveniently slide on the outer side of the threaded ring 11 through the annular groove.
The working principle of the invention is as follows: when the nut sleeve is used, firstly, the adjusting wheel 4 is sleeved on the outer ring side of the threaded section 6, the pull rod 7 is pulled to enable the pull rod 7 to drive the limiting block to move, so that the clamping column 9 is driven to move, the clamping column 9 can be separated from the inner side of the nut sleeve 3, at the moment, the abutting spring 10 is in a compression state under the extrusion of the limiting block, the nut sleeve 3 is in threaded connection with the threaded section 6, the pull rod 7 is loosened until the bottom of the nut sleeve 3 is rotated to be attached to the top of the adjusting wheel 4, at the moment, the limiting block moves under the reset action of the abutting spring 10 to drive the clamping column 9 to move until the clamping column 9 is clamped with the fixed groove, meanwhile, when the nut sleeve 3 moves downwards, the threaded ring 11 can be clamped with the limiting groove 14, when the bottom end of the threaded ring 11 is in contact with the clamping block 13, the clamping ring can move towards the installation groove 15 under the action of the annular groove, at the moment, the extension spring 12 is in a compression state, until the threaded ring 11 moves to the bottom of the limiting groove 14, the clamping groove is opposite to the position of the clamping block 13, so that the clamping block 13 can be clamped with the clamping groove under the reset action of the extension spring 12, and the connection and the positioning between the threaded ring 11 and the adjusting wheel 4 are completed.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a detachable valve-stem nut locking device, includes valve body (1) and the valve rod main part (2) of activity setting on valve body (1), its characterized in that: a nut sleeve (3) and an adjusting wheel (4) are movably arranged at the top of the valve rod main body (2), a locking assembly is arranged between the nut sleeve (3) and the adjusting wheel (4), and a cavity (5) is formed in the nut sleeve (3);
the locking assembly comprises a clamping component and a positioning component;
the clamping component comprises a threaded section (6), a pull rod (7), a limiting plate (8), a clamping column (9) and an abutting spring (10), the nut sleeve (3) is in threaded connection with the threaded section (6), the threaded section (6) is fixedly connected with the top end of the valve rod body, the limiting plate (8) is movably arranged in the cavity (5), one side of the limiting plate (8) is fixedly connected with the pull rod (7), the other end of the limiting plate (8) is fixedly connected with the clamping column (9), a fixing groove matched with the clamping column (9) is formed in the side surface of the threaded section (6), one end of the abutting spring (10) is fixedly connected with the side surface of the limiting plate (8), and the other end of the abutting spring (10) is fixedly connected with the inner wall of the cavity (5);
The positioning component comprises a threaded ring (11), an extension spring (12) and a clamping block (13), the threaded ring (11) is fixedly connected with the bottom of the nut sleeve (3), a limiting groove (14) matched with the threaded ring (11) is formed in the top of the adjusting wheel (4), a mounting groove (15) is formed in the inner wall of the limiting groove (14), one end of the extension spring (12) is fixedly connected with the inner wall of the mounting groove (15), the other end of the extension spring (12) is fixedly connected with the clamping block (13), and a clamping groove matched with the clamping block (13) is formed in the side surface of the threaded ring (11).
2. The removable stem nut locking apparatus of claim 1, wherein: the side of limiting plate (8) is provided with pulley (16), the spout with pulley (16) looks adaptation is seted up to cavity (5) inner wall.
3. The removable stem nut locking apparatus of claim 1, wherein: the quantity of chucking part has two sets ofly, and two sets of chucking part is the symmetric distribution along the vertical axis of screw thread section (6), wherein every group card post (9) quantity in the chucking part has two, and two card post (9) are the symmetric distribution along the horizontal axis of limiting plate (8).
4. The removable stem nut locking apparatus of claim 1, wherein: the number of the positioning parts is two, and the two positioning parts are symmetrically distributed along the vertical central axis of the thread section (6).
5. The removable stem nut locking apparatus of claim 1, wherein: one end, far away from the limiting plate (8), of the pull rod (7) extends out of the nut sleeve (3), a check bolt (17) is arranged on the pull rod (7), and a threaded hole matched with the nut sleeve (3) is formed in the outer side of the nut sleeve (3).
6. The removable stem nut locking apparatus of claim 1, wherein: the bottom of regulating wheel (4) is fixedly connected with holding ring (18), constant head tank (19) with holding ring (18) looks adaptation is seted up at the top of valve rod body.
7. The removable stem nut locking apparatus of claim 1, wherein: the bottom fixedly connected with chucking ring (20) of nut cover (3), chucking groove (21) with chucking ring (20) looks adaptation is seted up at the top of regulating wheel (4).
8. The removable stem nut locking apparatus of claim 1, wherein: an oil filling port (22) is formed in the top of the nut sleeve (3), a sealing plug (23) is arranged on the oil filling port (22), and the oil filling port (22) is communicated with the inner side of the nut sleeve (3).
9. The removable stem nut locking apparatus of claim 1, wherein: an annular groove is formed in the outer ring side of the threaded ring (11), and the longitudinal section of the annular groove is in a right-angled triangle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210429936.0A CN114754191B (en) | 2022-04-22 | 2022-04-22 | Detachable valve rod nut locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210429936.0A CN114754191B (en) | 2022-04-22 | 2022-04-22 | Detachable valve rod nut locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114754191A true CN114754191A (en) | 2022-07-15 |
| CN114754191B CN114754191B (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210429936.0A Active CN114754191B (en) | 2022-04-22 | 2022-04-22 | Detachable valve rod nut locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114754191B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234564A (en) * | 2022-08-03 | 2022-10-25 | 管小敏 | Anti-loosening nut |
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| CN103574070A (en) * | 2013-09-09 | 2014-02-12 | 自贡华西泵阀制造有限公司 | Stop valve |
| CN108561564A (en) * | 2018-04-28 | 2018-09-21 | 黄宇松 | A kind of water conservancy multi-functional control water valve device |
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| CN212960144U (en) * | 2020-08-03 | 2021-04-13 | 天津市三星技术开发有限责任公司 | Novel waterproof two-way solenoid valve |
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| CN213271090U (en) * | 2020-08-07 | 2021-05-25 | 温州山维阀门制造有限公司 | High-strength gate valve |
| CN213393745U (en) * | 2020-03-16 | 2021-06-08 | 普斐特油气工程(江苏)股份有限公司 | FC valve with sealing structure and convenient to replace |
| CN214838212U (en) * | 2021-03-09 | 2021-11-23 | 盐城东洁石油机械有限公司 | High-fastening wear-resistant valve rod nut |
| CN215172281U (en) * | 2021-06-01 | 2021-12-14 | 浙江时代铸造有限公司 | Nodular cast iron valve |
-
2022
- 2022-04-22 CN CN202210429936.0A patent/CN114754191B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB215593A (en) * | 1923-05-29 | 1924-05-15 | John Henry Rowlands | Improved means for locking nuts |
| CN103574070A (en) * | 2013-09-09 | 2014-02-12 | 自贡华西泵阀制造有限公司 | Stop valve |
| CN108561564A (en) * | 2018-04-28 | 2018-09-21 | 黄宇松 | A kind of water conservancy multi-functional control water valve device |
| CN213393745U (en) * | 2020-03-16 | 2021-06-08 | 普斐特油气工程(江苏)股份有限公司 | FC valve with sealing structure and convenient to replace |
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| CN212960144U (en) * | 2020-08-03 | 2021-04-13 | 天津市三星技术开发有限责任公司 | Novel waterproof two-way solenoid valve |
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| CN215172281U (en) * | 2021-06-01 | 2021-12-14 | 浙江时代铸造有限公司 | Nodular cast iron valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234564A (en) * | 2022-08-03 | 2022-10-25 | 管小敏 | Anti-loosening nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114754191B (en) | 2023-11-14 |
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