CN113833898A - Stroke transmission mechanism of valve electric actuating mechanism - Google Patents
Stroke transmission mechanism of valve electric actuating mechanism Download PDFInfo
- Publication number
- CN113833898A CN113833898A CN202111246982.9A CN202111246982A CN113833898A CN 113833898 A CN113833898 A CN 113833898A CN 202111246982 A CN202111246982 A CN 202111246982A CN 113833898 A CN113833898 A CN 113833898A
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- bevel gear
- transmission part
- rotating shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 127
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F16K31/53—Mechanical actuating means with toothed gearing
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of electric actuating mechanisms, and discloses a stroke transmission mechanism of a valve electric actuating mechanism, which comprises a shell, a transmission component, a rotating component and a limiting component, wherein a transmission rod is arranged in the shell, the transmission component comprises a first transmission part and a second transmission part, the first transmission part and the second transmission part are both used for controlling the rotation of the transmission rod, and the second transmission part is used for controlling the rotation of the transmission rod when the first transmission part cannot be used. The service life of the electric actuating mechanism can be effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of electric actuating mechanisms, and particularly relates to a stroke transmission mechanism of a valve electric actuating mechanism.
Background
An electric actuator is a drive device that provides linear or rotational motion and operates using some form of driving power and under some form of control signal, and uses liquid, gas, electricity or other power source and converts it into driving action by a motor, cylinder or other means. The basic types of the electric actuator are three driving modes of partial rotation, multi-rotation and straight stroke, wherein a stroke transmission part is an indispensable part of the electric actuator.
But there is certain defect at present in current stroke drive mechanism, and traditional stroke drive mechanism mostly is single drive assembly carries out the drive of transfer line, and after using for a long time, the gear is easy wearing and tearing, and then influences driven smoothness nature, changes and comparatively wastes time and energy, and in addition, traditional stroke drive mechanism does not set up effectual limit structure, and the transfer line easily takes place crooked when rotating, and then increases transfer line pivoted resistance easily, and easily influences the thoroughness that the valve was opened and close.
Disclosure of Invention
The invention aims to provide a stroke transmission mechanism of an electric actuating mechanism of a valve, which aims to solve the problems that the traditional method provided by the background art uses a single transmission assembly to drive a transmission rod, the transmission rod is difficult to replace after being damaged and cannot be used, and in addition, an effective limiting structure is not arranged, and the transmission rod is easy to skew when rotating.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a valve electric actuator's stroke drive mechanism, includes casing, drive assembly, runner assembly and spacing subassembly, the inside of casing is equipped with the transfer line, drive assembly includes first drive division and second drive division, first drive division and second drive division all are used for controlling the rotation of transfer line, and the second drive division is used for carrying out the rotation control of transfer line when first drive division can't use, the runner assembly is used for realizing combination and separation between the second drive division part, spacing subassembly is used for spacing the transfer line when drive assembly drives the transfer line and rotates.
Preferably, the first transmission part comprises a first bevel gear, a second bevel gear and a first rotating shaft, the first bevel gear is fixed on the transmission rod, the second bevel gear is in meshed connection with the first bevel gear, the first rotating shaft is connected with the second bevel gear, and the first rotating shaft penetrates through the shell and extends to the outside of the side wall of the shell;
the second transmission part is arranged above the first transmission part and comprises a third bevel gear, a fourth bevel gear and a second rotating shaft, the third bevel gear is fixed on the transmission rod, the fourth bevel gear is meshed with the third bevel gear, the second rotating shaft is connected with the fourth bevel gear, the second rotating shaft penetrates through the shell and extends to the outer portion of the side wall of the shell, a notch is formed in the side wall of the shell, and the diameter of the notch is larger than that of the second rotating shaft.
Preferably, the rotating assembly comprises a first bearing, a connecting block, a second bearing and a screw rod, the first bearing is fixed outside the second rotating shaft, the connecting block is connected to the outer wall of the first bearing, the second bearing is fixed at the top end of the connecting block, the screw rod is fixed on the inner shaft of the second bearing, and the screw rod penetrates through the shell and extends to the outside of the top end of the shell.
Preferably, spacing subassembly includes the chock, lagging and two stoppers, spacing logical groove has been seted up to the last wall of chock, the lagging is located inside spacing logical groove, and the lagging fixes in the outside of transfer line, two the stopper symmetric connection is on the outer wall of lagging, the spacing groove with stopper looks adaptation is seted up to the inside wall symmetry in spacing logical groove.
Preferably, the casing includes half casing of first half casing and second, the tip integrated into one piece of half casing of first has first chimb, the tip integrated into one piece of half casing of second has the second chimb, the outward appearance wall of second chimb closes soon and is connected with fastening screw, fastening screw closes soon and is connected to the inside of first chimb.
Preferably, positioning blocks are symmetrically fixed to two ends of one side, facing the second half shell, of the first half shell, and positioning grooves are symmetrically formed in two ends of one side, facing the first half shell, of the second half shell.
Preferably, the positioning grooves are matched with the positioning blocks, and the number of the positioning grooves is the same as that of the positioning blocks.
Preferably, the inner diameter of the upper and lower port positions of the limiting through groove is smaller than the inner diameter of the middle part of the limiting through groove.
Preferably, the hand wheel is all installed to the one end that first pivot and second pivot are located the casing outside, the outside cover of hand wheel is equipped with the rubber sleeve.
Preferably, the top end of the screw rod is provided with a holding block, and the outer wall of the holding block is provided with anti-skid grains.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, two groups of transmission parts at different positions are arranged, the traditional mode that a single transmission assembly drives the transmission rod is abandoned, the second transmission part can be used for continuing to rotate the transmission rod after the first transmission part is damaged, the whole mechanism is not required to be replaced, resources are saved, in addition, the first transmission part and the second transmission part can also be alternately matched for use, and the service life of the electric actuating mechanism can be effectively prolonged.
(2) According to the invention, by additionally arranging the first bearing, the connecting block, the second bearing and the screw rod, when the second transmission part is not needed, the screw rod can be rotated to lift one end of the second rotating shaft close to the fourth conical gear, so that the fourth conical gear is separated from the third conical gear, and the second transmission part can be effectively prevented from blocking when the first transmission part is utilized to drive the transmission rod to rotate.
(3) According to the invention, by additionally arranging the limiting component, when the transmission component drives the transmission rod to rotate, the sleeve plate can rotate in the limiting through groove, so that the rotating range of the transmission rod can be effectively limited, and then, when the transmission rod rotates, the limiting block can linearly rotate along the limiting groove, so that the transmission rod can be effectively prevented from being skewed when rotating, the rotating resistance of the transmission rod is prevented from being increased, and the opening and closing thoroughness of the valve is ensured.
(4) The shell is composed of the first half shell and the second half shell, a traditional integrated shell is abandoned, when the internal components of the shell need to be overhauled, the shell can be quickly separated, the overhauling is convenient and quick, in addition, when the first half shell and the second half shell are butted, the positioning blocks can be embedded into the positioning grooves corresponding to the positioning blocks, the butting accuracy of the first half shell and the second half shell can be effectively improved, and the subsequent screwing of fastening screws is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an external view of the present invention;
FIG. 3 is a front view of the first housing half of the present invention;
fig. 4 is a side view of the second housing half of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 1;
in the figure: 1. a housing; 101. a first housing half; 102. a second half-shell; 2. a transmission rod; 3. a first bevel gear; 4. a second bevel gear; 5. a first rotating shaft; 6. a chock block; 7. a limiting through groove; 8. a limiting groove; 9. sheathing; 10. a third bevel gear; 11. a fourth bevel gear; 12. a first bearing; 13. a second rotating shaft; 14. connecting blocks; 15. a second bearing; 16. a screw; 17. a first flange; 18. a second flange; 19. fastening screws; 20. positioning blocks; 21. positioning a groove; 22. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a valve electric actuator's stroke drive mechanism which characterized in that: comprises a shell 1, a transmission component, a rotating component and a limiting component, wherein a transmission rod 2 is arranged in the shell 1, the transmission component comprises a first transmission part and a second transmission part, the first transmission part and the second transmission part are used for controlling the rotation of the transmission rod 2, the second transmission part is used for controlling the rotation of the transmission rod 2 when the first transmission part cannot be used, the rotating component is used for realizing the combination and separation of the parts of the second transmission part, the limiting component is used for limiting the transmission rod 2 when the transmission component drives the transmission rod 2 to rotate, after the first transmission part is damaged, the second transmission part can be used for continuing the rotation of the transmission rod 2 without replacing the whole mechanism, thereby saving resources, in addition, the first transmission part and the second transmission part can be alternately matched for use, so that the service life of the electric actuating mechanism can be effectively prolonged.
Further, the first transmission part comprises a first bevel gear 3, a second bevel gear 4 and a first rotating shaft 5, the first bevel gear 3 is fixed on the transmission rod 2, the second bevel gear 4 is engaged with the first bevel gear 3, the first rotating shaft 5 is connected with the second bevel gear 4, the first rotating shaft 5 penetrates through the shell 1 and extends to the outside of the side wall of the shell, the second transmission part is arranged above the first transmission part, the second transmission part comprises a third bevel gear 10, a fourth bevel gear 11 and a second rotating shaft 13, the third bevel gear 10 is fixed on the transmission rod 2, the fourth bevel gear 11 is engaged with the third bevel gear 10, the second rotating shaft 13 is connected with the fourth bevel gear 11, the second rotating shaft 13 penetrates through the shell 1 and extends to the outside of the side wall of the shell, the side wall of the shell 1 is provided with a notch, the diameter of the notch is larger than that of the second rotating shaft, the gap is used for the second pivot 13 to pass through, when utilizing first transmission part to rotate transfer line 2, can rotate first pivot 5 and make second conical gear 4 rotate, and then can rotate with first conical gear 3 of second conical gear 4 meshing, and then can take transfer line 2 to rotate, in addition, the theory of use of second transmission part is the same with first transmission part, and it is not repeated here again, and the second transmission part can be used after first transmission part damages, also can alternate use with first transmission part.
Further, the rotating assembly comprises a first bearing 12, a connecting block 14, a second bearing 15 and a screw 16, the first bearing 12 is fixed outside the second rotating shaft 13, the connecting block 14 is connected to the outer wall of the first bearing 12, the second bearing 15 is fixed at the top end of the connecting block 14, the screw 16 is fixed on the inner shaft of the second bearing 15, the screw 16 penetrates through the shell 1 and extends to the outside of the top end of the shell, when the second transmission part is not needed, the screw 16 can be rotated to lift one end, close to the fourth bevel gear 11, of the second rotating shaft 13, so that the fourth bevel gear 11 is separated from the third bevel gear 10, and the second transmission part can be effectively prevented from being blocked when the first transmission part is used for driving the transmission rod 2 to rotate.
Further, spacing subassembly includes chock 6, lagging 9 and two stopper 22, spacing logical groove 7 has been seted up to the last wall of chock 6, lagging 9 is located inside spacing logical groove 7, and lagging 9 fixes the outside at transfer line 2, two stopper 22 symmetric connection are on the outer wall of lagging 9, spacing groove 8 with stopper 22 looks adaptation is seted up to the inside wall symmetry of spacing logical groove 7, when transmission subassembly drive transfer line 2 rotates, lagging 9 can rotate at spacing logical groove 7 inside, can effectively prescribe a limit to the rotation range of transfer line 2, secondly, when transfer line 2 rotates, stopper 22 can carry out rectilinear rotation along spacing groove 8, can effectively avoid transfer line 2 to take place crooked when rotating, prevent to increase transfer line 2 pivoted resistance, the thoroughness that the valve was opened and close has been guaranteed.
Further, casing 1 includes half casing 101 and the half casing 102 of second, the tip integrated into one piece of half casing 101 of first has first chimb 17, the tip integrated into one piece of half casing 102 of second has second chimb 18, the exterior wall of second chimb 18 closes soon and is connected with fastening screw 19, fastening screw 19 closes soon and is connected to the inside of first chimb 17, through setting up casing 1 of constituteing by half casing 101 of first and the half casing 102 two parts of second, the casing 1 of traditional integral type has been abandoned, when casing 1 internal component need be overhauld, can separate the casing fast, overhaul convenient and fast.
Furthermore, the positioning blocks 20 are symmetrically fixed at two ends of one side of the first half shell 101 facing the second half shell 102, the positioning grooves 21 are symmetrically formed at two ends of one side of the second half shell 102 facing the first half shell 101, the positioning grooves 21 are matched with the positioning blocks 20, the number of the positioning grooves 21 is the same as that of the positioning blocks 20, when the first half shell 101 and the second half shell 102 are butted, the positioning blocks 20 can be embedded into the corresponding positioning grooves 21, the butting accuracy of the first half shell 101 and the second half shell 102 can be effectively improved, and the subsequent screwing of the fastening screws 19 is facilitated.
Further, the inner diameter of the upper and lower port positions of the limiting through groove 7 is smaller than the inner diameter of the middle part of the limiting through groove 7, the sleeve plate 9 is located in the limiting through groove 7 and rotates along with the transmission rod 2, and the sleeve plate 9 can be prevented from moving out of the limiting through groove 7.
Further, the hand wheels are arranged at the ends, located outside the shell 1, of the first rotating shaft 5 and the second rotating shaft 13, rubber sleeves are sleeved outside the hand wheels, and the hand wheels sleeved with the rubber sleeves rotate the first rotating shaft 5 or the second rotating shaft 13, so that force is applied to the hands.
Furthermore, the top end of the screw rod 16 is provided with a holding block, the outer wall of the holding block is provided with anti-skid grains, and the screw rod 16 is rotated by the holding block provided with the anti-skid grains, so that the device is convenient and labor-saving.
The working principle and the using process of the invention are as follows: when the transmission rod 2 is rotated by the first transmission part, the first rotating shaft 5 can be rotated to rotate the second bevel gear 4, then the first bevel gear 3 meshed with the second bevel gear 4 can be rotated, and further the transmission rod 2 can be driven to rotate, secondly, the use principle of the second transmission part is the same as that of the first transmission part, which is not described herein again, when the second transmission part is not needed, the screw 16 can be rotated to lift one end of the second rotating shaft 13 close to the fourth bevel gear 11, so that the fourth bevel gear 11 is separated from the third bevel gear 10, which can effectively avoid the blockage of the second transmission part when the transmission rod 2 is driven to rotate by the first transmission part, furthermore, when the transmission rod 2 is driven to rotate by the transmission assembly, the sleeve plate 9 can rotate inside the limiting through groove 7, which can effectively limit the rotation range of the transmission rod 2, secondly, when the transmission rod 2 rotates, the limiting block 22 can rotate linearly along the limiting groove 8, so that the transmission rod 2 can be effectively prevented from being inclined when rotating, the rotating resistance of the transmission rod 2 is prevented from being increased, the opening and closing thoroughness of the valve is ensured, in addition, when the first half shell 101 and the second half shell 102 are butted, the positioning block 20 can be embedded into the positioning groove 21 corresponding to the row of the positioning block, the butting accuracy of the first half shell 101 and the second half shell 102 can be effectively improved, and the subsequent screwing of the fastening screw 19 is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A stroke transmission mechanism of an electric actuating mechanism of a valve is characterized by comprising:
the device comprises a shell (1), wherein a transmission rod (2) is arranged inside the shell (1);
the transmission assembly comprises a first transmission part and a second transmission part, the first transmission part and the second transmission part are used for controlling the rotation of the transmission rod (2), and the second transmission part is used for controlling the rotation of the transmission rod (2) when the first transmission part cannot be used;
the rotating assembly is used for realizing the combination and separation of the components of the second transmission part;
and the limiting assembly is used for limiting the transmission rod (2) when the transmission assembly drives the transmission rod (2) to rotate.
2. The stroke transmission mechanism of the electric actuator of the valve according to claim 1, wherein: the first transmission part comprises a first bevel gear (3), a second bevel gear (4) and a first rotating shaft (5), the first bevel gear (3) is fixed on the transmission rod (2), the second bevel gear (4) is in meshed connection with the first bevel gear (3), the first rotating shaft (5) is connected with the second bevel gear (4), and the first rotating shaft (5) penetrates through the shell (1) and extends to the outside of the side wall of the shell;
the second transmission part is arranged above the first transmission part and comprises a third bevel gear (10), a fourth bevel gear (11) and a second rotating shaft (13), the third bevel gear (10) is fixed on the transmission rod (2), the fourth bevel gear (11) is meshed with the third bevel gear (10), the second rotating shaft (13) is connected with the fourth bevel gear (11), the second rotating shaft (13) penetrates through the shell (1) and extends to the outer side of the side wall of the shell, a notch is formed in the side wall of the shell (1), and the diameter of the notch is larger than that of the second rotating shaft.
3. The stroke transmission mechanism of the electric actuator of the valve according to claim 2, wherein: the rotating assembly comprises a first bearing (12), a connecting block (14), a second bearing (15) and a screw rod (16), the first bearing (12) is fixed to the outer portion of the second rotating shaft (13), the connecting block (14) is connected to the outer wall of the first bearing (12), the second bearing (15) is fixed to the top end of the connecting block (14), the screw rod (16) is fixed to the inner shaft of the second bearing (15), and the screw rod (16) penetrates through the shell (1) and extends to the outer portion of the top end of the shell.
4. The stroke transmission mechanism of the electric actuator of the valve according to claim 1, wherein: spacing subassembly includes chock (6), lagging (9) and two stopper (22), spacing logical groove (7) have been seted up to the last wall of chock (6), lagging (9) are located inside spacing logical groove (7), and lagging (9) are fixed in the outside of transfer line (2), two stopper (22) symmetric connection is on the outer wall of lagging (9), spacing groove (8) with stopper (22) looks adaptation are seted up to the inside wall symmetry of spacing logical groove (7).
5. The stroke transmission mechanism of the electric actuator of the valve according to claim 1, wherein: casing (1) includes half first casing (101) and half second casing (102), the tip integrated into one piece of half first casing (101) has first chimb (17), the tip integrated into one piece of half second casing (102) has second chimb (18), the outward appearance wall of second chimb (18) closes soon and is connected with fastening screw (19), fastening screw (19) close soon is connected to the inside of first chimb (17).
6. The stroke transmission mechanism of the electric actuator of the valve according to claim 5, wherein: positioning blocks (20) are symmetrically fixed at two ends of one side, facing the second half shell (102), of the first half shell (101), and positioning grooves (21) are symmetrically formed at two ends of one side, facing the first half shell (101), of the second half shell (102).
7. The stroke transmission mechanism of the electric actuator of the valve according to claim 6, wherein: the positioning grooves (21) are matched with the positioning blocks (20), and the number of the positioning grooves (21) is the same as that of the positioning blocks (20).
8. The stroke transmission mechanism of the electric actuator of the valve according to claim 4, wherein: the inner diameter of the upper and lower port positions of the limiting through groove (7) is smaller than that of the middle part of the limiting through groove.
9. The stroke transmission mechanism of the electric actuator of the valve according to claim 2, wherein: the hand wheel is all installed to first pivot (5) and second pivot (13) one end that is located casing (1) outside, the outside cover of hand wheel is equipped with the rubber sleeve.
10. The stroke transmission mechanism of the electric actuator of the valve according to claim 3, wherein: the top end of the screw rod (16) is provided with a holding block, and the outer wall of the holding block is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246982.9A CN113833898A (en) | 2021-10-26 | 2021-10-26 | Stroke transmission mechanism of valve electric actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246982.9A CN113833898A (en) | 2021-10-26 | 2021-10-26 | Stroke transmission mechanism of valve electric actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113833898A true CN113833898A (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111246982.9A Pending CN113833898A (en) | 2021-10-26 | 2021-10-26 | Stroke transmission mechanism of valve electric actuating mechanism |
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| Country | Link |
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| CN (1) | CN113833898A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962763A (en) * | 2022-07-28 | 2022-08-30 | 常州兰控阀门控制有限公司 | Manual and electric integrated intelligent electric actuator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB763513A (en) * | 1953-07-06 | 1956-12-12 | Shell Refining & Marketing Co | Improvements in or relating to valves |
| CN208778807U (en) * | 2018-08-14 | 2019-04-23 | 无锡市瑞球科技有限公司 | Ball valve body |
| CN210034474U (en) * | 2019-04-26 | 2020-02-07 | 恒广消防科技有限公司 | Novel adjustable pressure reducing valve |
| CN212480295U (en) * | 2020-06-23 | 2021-02-05 | 扬州华通电动阀门制造有限公司 | Intelligent regulation type electric actuator |
| CN212868546U (en) * | 2020-07-27 | 2021-04-02 | 河南高中压阀门有限公司 | Worm-drive double-eccentric half-ball valve |
-
2021
- 2021-10-26 CN CN202111246982.9A patent/CN113833898A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB763513A (en) * | 1953-07-06 | 1956-12-12 | Shell Refining & Marketing Co | Improvements in or relating to valves |
| CN208778807U (en) * | 2018-08-14 | 2019-04-23 | 无锡市瑞球科技有限公司 | Ball valve body |
| CN210034474U (en) * | 2019-04-26 | 2020-02-07 | 恒广消防科技有限公司 | Novel adjustable pressure reducing valve |
| CN212480295U (en) * | 2020-06-23 | 2021-02-05 | 扬州华通电动阀门制造有限公司 | Intelligent regulation type electric actuator |
| CN212868546U (en) * | 2020-07-27 | 2021-04-02 | 河南高中压阀门有限公司 | Worm-drive double-eccentric half-ball valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962763A (en) * | 2022-07-28 | 2022-08-30 | 常州兰控阀门控制有限公司 | Manual and electric integrated intelligent electric actuator |
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