CN114719078B - Valve rod protection clutch device - Google Patents
Valve rod protection clutch device Download PDFInfo
- Publication number
- CN114719078B CN114719078B CN202210409930.7A CN202210409930A CN114719078B CN 114719078 B CN114719078 B CN 114719078B CN 202210409930 A CN202210409930 A CN 202210409930A CN 114719078 B CN114719078 B CN 114719078B
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- China
- Prior art keywords
- jacket
- sleeve
- groove
- positioning block
- valve rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000033001 locomotion Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a valve rod protection clutch device which comprises a driving motor, a driving motor arranged on the driving motor, positioning plates arranged at two ends of a valve rod body and guide sliding rods arranged at two sides of the positioning plates, wherein a concave embedding groove is formed in the outer wall of the upper end of a shock-proof sleeve, and a buffer assembly is arranged at the upper end of the concave embedding groove. Through setting up the movable storehouse on the scour protection cover top, the linkage piece, extend the post, locking screw, the locating piece, V type hole and horizontal logical groove mutually support, after the locating piece receives the impact force of locating plate and produces horizontal slip along the horizontal logical groove on the first cover of upper jacket, let V type downthehole extension post drive the linkage piece along the upward movement of movable storehouse simultaneously, when the linkage piece moves to the movable storehouse top, the linkage piece stroke will lock to the extension post effect on the locating piece can the linkage piece also locks the stroke simultaneously, thereby make upper jacket second drive scour protection cover and valve rod body lock stroke, thereby can directly avoid the scour protection cover directly to receive the problem that the striking produced the damage.
Description
Technical Field
The invention relates to the technical field of valve rod protection, in particular to a valve rod protection clutch device.
Background
The valve rod is one of important parts of the valve, is used for valve core transmission of the valve, is connected with an actuating mechanism or a handle, and directly drives the valve core to move or rotate along the surface of the valve core so as to realize the valve opening and closing or adjusting function.
In the valve opening and closing process, the valve rod is not only a moving part and a stressed part, but also a sealing part, and meanwhile, because the valve rod is impacted and corroded by a medium and also rubs with a filler, when the valve rod material is selected, the valve rod material must be ensured to have enough strength, good impact toughness, scratch resistance and corrosion resistance at a specified temperature.
In the running process of the existing valve rod in the market, the thread on the surface of the valve rod drives the thread bush to move, and when the thread bush moves to the two ends of the valve rod under the action of the valve rod, as the device with the protection function is not installed on the thread bush, the thread bush can drive the valve core to collide to the end part of the valve rod, so that the parts of the device are damaged, and therefore, the valve rod protection clutch device is provided for solving the problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the valve rod protection clutch device, which is characterized in that the buffer component is arranged at the top end of the anti-collision sleeve, when the linkage block moves to the top end of the movable bin, the stroke of the linkage block is locked, and meanwhile, the stroke of the positioning block is also locked under the action of the extending column on the linkage block, so that the upper jacket II drives the anti-collision sleeve and the valve rod body to lock the stroke, the anti-collision sleeve can be directly prevented from being directly impacted, and the problem that the valve core is driven by the threaded sleeve to impact the end part of the valve rod in the background technology, so that the parts of the device are damaged is solved.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a valve rod protection clutch, includes driving motor, installs driving motor on driving motor, installs the locating plate at valve rod body both ends and installs the direction slide bar in the locating plate both sides, the outside threaded connection of locating plate has the scour protection cover, the scour protection cover outside is provided with the sheath subassembly, and the scour protection cover passes through the sheath subassembly and connect with two sets of locating plates, the concave caulking groove has been seted up to scour protection cover upper end outer wall, concave caulking groove upper end is provided with buffer assembly.
As a preferable technical scheme of the invention, the sheath assembly comprises an upper first sheath and an upper second sheath which are arranged on two sides of the upper end of the anti-collision sheath, a lower first sheath and a guide chute which are arranged on two sides of the lower end of the anti-collision sheath, and mounting screws which are in threaded connection with the lower first sheath and the lower second sheath;
the upper clamping sleeve I, the upper clamping sleeve II, the lower clamping sleeve I and the lower clamping sleeve II are respectively provided with a guide chute, two groups of guide sliding rods penetrate through the guide chute, and the upper clamping sleeve I, the upper clamping sleeve II, the lower clamping sleeve I and the lower clamping sleeve II are connected to the outside of the anti-collision sleeve through a plurality of groups of mounting screws.
As a preferable technical scheme of the invention, the buffer component comprises a linkage block arranged in the concave embedding groove, an extension column fixed outside the linkage block, a positioning block sleeved outside the extension column and a V-shaped hole arranged on the positioning block;
the movable bin is arranged at one end opposite to the upper jacket II and the upper jacket I, the linkage block is arranged in the movable bin, a transverse through groove is formed in one side, facing the positioning block, of the upper jacket I, and the positioning block is located in the transverse through groove.
As a preferable technical scheme of the invention, the top end of the linkage block is provided with a locking screw hole, the top end of the movable bin is provided with a movable hole, the locking screw hole is internally connected with a locking screw in a threaded manner, and the upper end of the locking screw penetrates through the inside of the movable hole.
As a preferable technical scheme of the invention, the extending column at the outer end of the linkage block is inserted into the V-shaped hole on the positioning block, and the outer wall of the extending column is fully attached to the inner wall of the V-shaped hole.
As a preferable technical scheme of the invention, the outer surfaces of the movable bin, the linkage block, the extension column, the positioning block, the V-shaped hole and the transverse through groove are polished.
As a preferable technical scheme of the invention, the height of the positioning block is the same as the height of the inner part of the transverse through groove on the upper jacket, and both ends of the positioning block extend out of both sides of the transverse through groove.
Compared with the prior art, the invention has the following beneficial effects:
1. through the mutual matching of the movable bin, the linkage block, the extension column, the locking screw hole, the positioning block, the V-shaped hole and the transverse through groove which are arranged at the top end of the anti-collision sleeve, when the positioning block is impacted by the positioning plate and horizontally slides along the transverse through groove on the first upper jacket, the extension column in the V-shaped hole drives the linkage block to move upwards along the movable bin, when the linkage block moves to the top end of the movable bin, the stroke of the linkage block is locked, and meanwhile, the positioning block is also locked with the stroke under the action of the extension column on the linkage block, so that the second upper jacket drives the anti-collision sleeve and the valve rod body to be locked, and the problem that the anti-collision sleeve is directly impacted to be damaged can be directly avoided;
2. through the buffer module that sets up on the anti-collision sleeve top, let the locating piece receive the impact force of locating plate and produce horizontal slip along the horizontal logical groove on the last clamp sleeve one, let the locating piece release along the X axle with the impact force that receives, V type hole intermediate position department extension post that is located on the locating piece can slide along V type hole inside at the procedural of locating piece horizontal movement simultaneously for the linkage piece can slide upwards along the movable storehouse under the effect of extension post, and can guide a part locating piece to transmit to extension post department effort and release along the Y axle at the gliding in-process of linkage piece, through the rectilinear motion of perpendicular crisscross locating piece and linkage piece, can effectively reduce the impact force that each part of device received, effectively improve the life of device.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic view of a second perspective structure of the present invention;
FIG. 3 is a schematic view of the structure of the anti-collision sleeve of the present invention;
FIG. 4 is a schematic view of a partial explosion outside the anti-collision sleeve of the present invention;
FIG. 5 is a schematic diagram of a complete explosion outside the anti-collision sleeve of the present invention;
fig. 6 is an enlarged schematic view of fig. 1 at a in accordance with the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a driving motor; 2. a valve stem body; 3. a positioning plate; 4. a guide slide bar; 5. a scour protection sleeve; 6. a concave embedding groove; 7. a first jacket is arranged; 8. a second jacket is arranged; 9. a first jacket is arranged; 10. a second jacket is arranged; 11. a guide chute; 12. installing a screw; 13. a movable bin; 14. a linkage block; 15. an extension column; 16. locking the screw hole; 17. a positioning block; 18. a V-shaped hole; 19. a transverse through groove; 20. a movable hole; 21. locking screws.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present invention are obtained will become readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples:
as shown in fig. 1-6, a valve rod protection clutch device comprises a driving motor 1, a driving motor 1 arranged on the driving motor 1, positioning plates 3 arranged at two ends of a valve rod body 2 and guide sliding rods 4 arranged at two sides of the positioning plates 3, wherein an anti-collision sleeve 5 is connected to the outer part of the positioning plates 3 in a threaded manner, a sheath assembly is arranged outside the anti-collision sleeve 5, the anti-collision sleeve 5 is connected with two groups of positioning plates 3 through the sheath assembly, the sheath assembly comprises an upper clamping sleeve I7 and an upper clamping sleeve II 8 which are arranged at two sides of the upper end of the anti-collision sleeve 5, a lower clamping sleeve I9 and a guide sliding groove 11 which are arranged at two sides of the lower end of the anti-collision sleeve 5, and mounting screws 12 which are connected to the lower clamping sleeve I9 and the lower clamping sleeve II 10 in a threaded manner;
the upper clamping sleeve I7, the upper clamping sleeve II 8, the lower clamping sleeve I9 and the lower clamping sleeve II 10 are provided with guide sliding grooves 11, two groups of guide sliding rods 4 penetrate through the inside of the guide sliding grooves 11, the upper clamping sleeve I7, the upper clamping sleeve II 8, the lower clamping sleeve I9 and the lower clamping sleeve II 10 are connected with the outside of the anti-collision sleeve 5 through a plurality of groups of mounting screws 12,
through fixed connection at the sheath subassembly of scour protection cover 5 surface, when valve rod body 2 rotates, can let sheath subassembly drive scour protection cover 5 slide along direction slide bar 4, form simultaneously to scour protection cover 5 holistic angle limiting displacement for scour protection cover 5 self can't produce the rotation, and carries out horizontal movement along valve rod body 2 surface.
The outer wall of the upper end of the anti-flushing sleeve 5 is provided with a concave embedding groove 6, the upper end of the concave embedding groove 6 is provided with a buffer component, and the buffer component comprises a linkage block 14 arranged in the concave embedding groove 6, an extension column 15 fixed outside the linkage block 14, a positioning block 17 sleeved outside the extension column 15 and a V-shaped hole 18 arranged on the positioning block 17;
the movable bin 13 is arranged at the opposite end of the upper jacket II 8 and the upper jacket I7, the linkage block 14 is arranged in the movable bin 13, a transverse through groove 19 is arranged at one side of the upper jacket I7 facing the positioning block 17, and the positioning block 17 is positioned in the transverse through groove 19;
through the buffer assembly of setting in the scour protection cover 5 upper end, avoided scour protection cover 5 direct impact locating plate 3, effectively reduced the impact dynamics that scour protection cover 5 received, improved the holistic life of device.
Working principle: when the driving motor 1 works to drive the valve rod body 2 to rotate, the anti-collision sleeve 5 moves to two sides under the action of threads, when the anti-collision sleeve 5 moves to the positioning plate 3, the outer wall positioning block 17 contacts the outer wall of the positioning plate 3, the positioning block 17 horizontally slides along the transverse through groove 19 on the upper jacket 7 after being impacted by the positioning plate 3, the impact force borne by the positioning block 17 is released along the X axis, meanwhile, the extending column 15 positioned at the middle position of the V-shaped hole 18 on the positioning block 17 slides along the inside of the V-shaped hole 18 in the process of the horizontal movement of the positioning block 17, the linkage block 14 can slide upwards along the movable bin 13 under the action of the extending column 15, part of the acting force transmitted to the extending column 15 by the linkage block 14 is released along the Y axis in the process of sliding of the linkage block 14, and when the linkage block 14 moves to the top end of the movable bin 13, the stroke of the linkage block 14 is dead by locking, and meanwhile, the extending column 15 on the linkage block 14 also locks the stroke under the action of the extending column 15, so that the anti-collision sleeve 5 can be directly avoided, and simultaneously, the anti-collision sleeve 5 can be damaged by itself, and the service life of the anti-collision sleeve 5 can be effectively prolonged by the cross-collision sleeve 5.
In other embodiments, the top end of the linkage block 14 is provided with a locking screw hole 16, the top end of the movable bin 13 is provided with a movable hole 20, the locking screw hole 16 is internally connected with a locking screw 21 in a threaded manner, and the upper end of the locking screw 21 penetrates through the inside of the movable hole 20;
through the design, when the linkage block 14 moves up and down along the movable bin 13, the locking screw 21 can move up and down along the movable hole 20 at the top end of the movable bin 13 under the drive of the linkage block 14, so that the movement track of the linkage block 14 can be observed externally through the locking screw 21, and the observation of the movement state of the linkage block 14 is indirectly formed.
In other embodiments, the extension column 15 at the outer end of the linkage block 14 is inserted into the V-shaped hole 18 on the positioning block 17, and the outer wall of the extension column 15 is fully attached to the inner wall of the V-shaped hole 18;
through the design, when the extending column 15 at the outer end of the linkage block 14 moves along the V-shaped hole 18 on the positioning block 17, larger shake of the extending column 15 and the positioning block 17 in the moving process is avoided, and stability and fluency of the positioning block 17 and the linkage block 14 during movement are ensured.
In other embodiments, the outer surfaces of the movable bin 13, the linkage block 14, the extension column 15, the positioning block 17, the V-shaped hole 18 and the transverse through groove 19 are polished;
through the design, the friction force among the movable bin 13, the linkage block 14, the extension column 15, the positioning block 17, the V-shaped hole 18 and the transverse through groove 19 is effectively reduced, the abrasion among all parts is reduced, and the parts can be effectively matched for use.
In other embodiments, the height of the positioning block 17 is the same as the height of the inside of the transverse through groove 19 on the upper jacket 7, and two ends of the positioning block 17 extend out of two sides of the transverse through groove 19;
through the design, when the anti-collision sleeve 5 drives the positioning block 17 to move to the positioning plate 3, the positioning block 17 is ensured to be in contact with the positioning plate 3 in advance, and the positioning block 17 is ensured to slide stably along the transverse through groove 19 on the upper jacket 7.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a valve rod protection clutch, includes driving motor (1), installs driving motor (1) on driving motor (1), installs locating plate (3) at valve rod body (2) both ends and installs direction slide bar (4) in locating plate (3) both sides, its characterized in that: the positioning plates (3) are externally connected with a shock-proof sleeve (5) in a threaded manner, a sheath assembly is arranged outside the shock-proof sleeve (5), the shock-proof sleeve (5) is connected with the two groups of positioning plates (3) through the sheath assembly, a concave embedding groove (6) is formed in the outer wall of the upper end of the shock-proof sleeve (5), and a buffer assembly is arranged at the upper end of the concave embedding groove (6);
the sheath assembly comprises an upper first jacket (7) and an upper second jacket (8) which are arranged on two sides of the upper end of the anti-collision sleeve (5), a lower first jacket (9) and a guide chute (11) which are arranged on two sides of the lower end of the anti-collision sleeve (5), and mounting screws (12) which are in threaded connection with the lower first jacket (9) and the lower second jacket (10);
the upper clamping sleeve I (7), the upper clamping sleeve II (8), the lower clamping sleeve I (9) and the lower clamping sleeve II (10) are provided with guide sliding grooves (11), two groups of guide sliding rods (4) penetrate through the guide sliding grooves (11), and the upper clamping sleeve I (7), the upper clamping sleeve II (8), the lower clamping sleeve I (9) and the lower clamping sleeve II (10) are connected to the outside of the anti-collision sleeve (5) through a plurality of groups of mounting screws (12);
the buffer assembly comprises a linkage block (14) arranged in the concave embedding groove (6), an extension column (15) fixed outside the linkage block (14), a positioning block (17) sleeved outside the extension column (15) and a V-shaped hole (18) arranged on the positioning block (17);
the movable bin (13) is arranged at one end, opposite to the upper jacket II (8) and the upper jacket I (7), of the upper jacket I, the linkage block (14) is arranged in the movable bin (13), a transverse through groove (19) is formed in one side, facing the positioning block (17), of the upper jacket I (7), and the positioning block (17) is located inside the transverse through groove (19).
2. A valve stem protection clutch device as defined in claim 1, wherein: the locking screw hole (16) has been seted up on linkage piece (14) top, movable hole (20) has been seted up on movable storehouse (13) top, locking screw (21) are connected with to locking screw (16) internal thread, and locking screw (21) upper end runs through inside movable hole (20).
3. A valve stem protection clutch device as defined in claim 1, wherein: the extending column (15) at the outer end of the linkage block (14) is inserted into the V-shaped hole (18) on the positioning block (17), and the outer wall of the extending column (15) is fully attached to the inner wall of the V-shaped hole (18).
4. A valve stem protection clutch device as defined in claim 1, wherein: the outer surfaces of the movable bin (13), the linkage block (14), the extension column (15), the positioning block (17), the V-shaped hole (18) and the transverse through groove (19) are polished.
5. A valve stem protection clutch device as defined in claim 1, wherein: the height of the positioning block (17) is the same as the internal height of the transverse through groove (19) on the upper jacket I (7), and two ends of the positioning block (17) extend out of two sides of the transverse through groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409930.7A CN114719078B (en) | 2022-04-19 | 2022-04-19 | Valve rod protection clutch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409930.7A CN114719078B (en) | 2022-04-19 | 2022-04-19 | Valve rod protection clutch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114719078A CN114719078A (en) | 2022-07-08 |
| CN114719078B true CN114719078B (en) | 2023-11-28 |
Family
ID=82243297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210409930.7A Active CN114719078B (en) | 2022-04-19 | 2022-04-19 | Valve rod protection clutch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114719078B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208497A (en) * | 1968-06-12 | 1970-10-14 | Imp Metal Ind Kynoch Ltd | Improvements in safety valves |
| US4222406A (en) * | 1978-08-07 | 1980-09-16 | Schaefer Louis C | Wedge-type gate valve |
| CN102748484A (en) * | 2012-07-23 | 2012-10-24 | 岳阳筑盛阀门管道有限责任公司 | Angle type drain valve |
| CN105987191A (en) * | 2015-02-06 | 2016-10-05 | 浙江盾安人工环境股份有限公司 | Plug valve |
| CN111001977A (en) * | 2019-12-17 | 2020-04-14 | 路秀稳 | Supersonic spray welding electric tower repairing equipment |
| CN210661465U (en) * | 2019-10-23 | 2020-06-02 | 江苏友拓精密科技有限公司 | Valve rod anti-flying-out structure for ball valve |
| CN212564462U (en) * | 2020-06-08 | 2021-02-19 | 尔约阀门科技有限公司 | Gate valve |
| CN212678696U (en) * | 2020-04-27 | 2021-03-12 | 上海浩诺供应链管理有限公司 | Anticollision angle of commodity circulation storage goods shelves |
| CN212928808U (en) * | 2020-09-11 | 2021-04-09 | 上海美科阀门有限公司 | High-temperature high-pressure needle valve with double adjusting structures |
| CN214094220U (en) * | 2020-12-08 | 2021-08-31 | 合肥辉朗电气有限责任公司 | Adjustable outdoor energy-saving lamp |
| CN216033560U (en) * | 2021-11-12 | 2022-03-15 | 郑州科技学院 | Guide seat of tractor connector |
-
2022
- 2022-04-19 CN CN202210409930.7A patent/CN114719078B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208497A (en) * | 1968-06-12 | 1970-10-14 | Imp Metal Ind Kynoch Ltd | Improvements in safety valves |
| US4222406A (en) * | 1978-08-07 | 1980-09-16 | Schaefer Louis C | Wedge-type gate valve |
| CN102748484A (en) * | 2012-07-23 | 2012-10-24 | 岳阳筑盛阀门管道有限责任公司 | Angle type drain valve |
| CN105987191A (en) * | 2015-02-06 | 2016-10-05 | 浙江盾安人工环境股份有限公司 | Plug valve |
| CN210661465U (en) * | 2019-10-23 | 2020-06-02 | 江苏友拓精密科技有限公司 | Valve rod anti-flying-out structure for ball valve |
| CN111001977A (en) * | 2019-12-17 | 2020-04-14 | 路秀稳 | Supersonic spray welding electric tower repairing equipment |
| CN212678696U (en) * | 2020-04-27 | 2021-03-12 | 上海浩诺供应链管理有限公司 | Anticollision angle of commodity circulation storage goods shelves |
| CN212564462U (en) * | 2020-06-08 | 2021-02-19 | 尔约阀门科技有限公司 | Gate valve |
| CN212928808U (en) * | 2020-09-11 | 2021-04-09 | 上海美科阀门有限公司 | High-temperature high-pressure needle valve with double adjusting structures |
| CN214094220U (en) * | 2020-12-08 | 2021-08-31 | 合肥辉朗电气有限责任公司 | Adjustable outdoor energy-saving lamp |
| CN216033560U (en) * | 2021-11-12 | 2022-03-15 | 郑州科技学院 | Guide seat of tractor connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114719078A (en) | 2022-07-08 |
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