CN215567991U - Butterfly valve with locking function - Google Patents
Butterfly valve with locking function Download PDFInfo
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- CN215567991U CN215567991U CN202121636047.9U CN202121636047U CN215567991U CN 215567991 U CN215567991 U CN 215567991U CN 202121636047 U CN202121636047 U CN 202121636047U CN 215567991 U CN215567991 U CN 215567991U
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- valve
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- rotating rod
- butterfly valve
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Abstract
The utility model discloses a butterfly valve with a locking function, which comprises a valve body, a pneumatic actuator and a locking mechanism arranged on the valve body, wherein an output end of the pneumatic actuator is fixedly provided with a gas rod, a rod shaft surface of the gas rod is vertically provided with a guide rod, the middle part of the pneumatic actuator is provided with a conversion box, a first rotating rod is rotatably inserted in the conversion box, the surface of the first rotating rod is fixedly sleeved with a clamping plate, the clamping plate is clamped with the guide rod in a sliding manner, the locking mechanism comprises a clamping box and a connecting ring, the clamping box and the connecting ring are matched for use, the worm and the fan-shaped worm wheel are meshed for rotation, the fan-shaped worm wheel drives the block to move towards one end of the fixing block along the arc-shaped groove, the arc-shaped groove arranged on the connecting ring is convenient for limiting the rotation angle of the butterfly valve, and the block is tightly contacted with the fixing block, the movement of the fixed block and the second rotating rod is limited, and the butterfly valve is locked.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a butterfly valve with a locking function.
Background
The butterfly valve is a valve which is opened and closed by a closing member which is a disk and rotates around a valve shaft, and mainly plays a role in cutting and throttling on a pipeline. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. The butterfly valve is normally less than 90 ° wide open to full closed.
The existing butterfly valve is rarely provided with a locking function, the butterfly valve and the butterfly rod are not self-locking, the butterfly valve is frequently loosened due to combination between the butterfly valve and the butterfly rod under the action of external force in the long-term use process, the normal use of the whole butterfly valve is affected, a corresponding locking structure is urgently needed to protect the butterfly valve, and therefore the butterfly valve with the locking function is provided for solving the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a butterfly valve with a locking function, which aims to solve the technical problem that the butterfly valve cannot be effectively locked in the background.
In order to achieve the purpose, the utility model provides the following technical scheme: a butterfly valve with a locking function comprises a valve body, a pneumatic actuator and a locking mechanism arranged on the valve body, wherein an output end of the pneumatic actuator is fixedly provided with a gas rod, a rod shaft surface of the gas rod is vertically provided with a guide rod, the middle part of the pneumatic actuator is provided with a conversion box, a first rotating rod parallel to the guide rod 23 is inserted in the conversion box in a rotating mode, the surface of the first rotating rod is fixedly sleeved with a clamping plate vertical to the axis direction of the first rotating rod, and one end, far away from a first rotating rod 25, of the clamping plate is provided with a rod inserting port in sliding clamping connection with the guide rod;
the clamping and locking mechanism comprises a clamping box and a connecting ring, a second rotating rod connected with the other end of the first rotating rod is inserted in the clamping box in a rotating mode, the connecting ring is fixed in the clamping box and surrounds the outer side of the second rotating rod, a gap is reserved between the inner side of the connecting ring and the outer side of the clamping box, a fixed block located above the connecting ring is arranged on the outer peripheral side of the second rotating rod, a fan-shaped worm wheel located below the connecting ring is fixedly sleeved on the outer peripheral side of the second rotating rod in a sleeved mode, an arc-shaped groove is formed in the circumferential direction of a ring body of the connecting ring, a stop block is arranged at the top of the fan-shaped worm wheel, and the stop block is arranged in the arc-shaped groove in a sliding mode; when the valve body just closes, the fixed block with the dog is located respectively the both ends of arc wall cell body, one side meshing of fan-shaped worm wheel has the worm, the both ends of worm rotate respectively and insert and establish on the corresponding inner wall of card box.
Preferably, the butterfly valve with the locking function further comprises an adjusting component, the adjusting component comprises a worm pipe communicated with the clamping box, a protective cap is detachably mounted at one end, away from the clamping box, of the worm pipe, a rotary head is fixedly arranged at one end, penetrating through the worm pipe, of the worm screw, and a screw hole is formed in the radial direction of the rotary head.
Preferably, an external thread is arranged on the outer peripheral side of one end, opposite to the rotating head, of the worm, an internal thread matched with the external thread is arranged on the helmet body of the protective helmet, a supporting block is fixedly arranged in the protective helmet, and the supporting block is in contact with the rotating head.
Preferably, the stop block rotates along the arc-shaped groove by ninety degrees, and the fixed block is in sliding contact with the stop block.
Preferably, a valve hole is formed in the valve body, a valve plate is rotatably mounted in the valve hole, two opposite connecting plates are fixedly mounted on a plate body at one end of the valve plate, a valve rod is fixedly inserted between the two connecting plates, a valve port communicated with the valve rod is radially formed in one end of the valve body, and the valve rod penetrates through the valve port and is fixedly connected with the bottom end of the second rotating rod.
Preferably, the valve body is further provided with a fixing assembly, the fixing assembly comprises a screw, one end of the screw is fixedly provided with a cross bar, a plurality of sleeves communicated with the valve hole are fixedly arranged on the valve body, each sleeve is in threaded penetrating connection with the screw, and one end, far away from the connecting plate, of the valve plate is fixedly provided with a blocking piece in threaded clamping connection with the screw.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the cooperation use of worm, fan-shaped worm wheel, fixed block, dog and linking ring etc. that set up, rotate in the meshing of worm and fan-shaped worm wheel, can make fan-shaped worm wheel drive dog move to the one end of fixed block in the arc wall, link up the arc wall of offering on the ring, be convenient for restrict butterfly valve pivoted angle, dog and fixed block in close contact with, restriction fixed block and the removal of second bull stick realize shutting the butterfly valve.
2. The protective cap is sleeved with the thread of the worm, so that the rotary head is protected, the rotary head is prevented from being damaged by external factors, the screw thread penetrates through the sleeve and is clamped with the blocking piece thread, the valve plate can be limited, the valve plate is prevented from rotating, and the secondary locking effect is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a butterfly valve with a locking function according to the present invention.
Fig. 2 is a partially cut-away structural schematic view of the butterfly valve with the locking function in fig. 1.
Fig. 3 is a schematic view showing the detailed structure of the inside of the latch mechanism in fig. 2.
Fig. 4 is a rear view of the valve body of fig. 1.
In the figure: 1. a valve body; 11. a valve plate; 12. a connecting plate; 13. a valve stem; 14. a sleeve; 15. a baffle plate; 16. a valve port; 2. a pneumatic actuator; 21. a conversion box; 22. a gas lever; 23. a guide bar; 24. a splint; 25. a first rotating lever; 3. a latch mechanism; 31. a card box; 32. a worm; 33. a second rotating rod; 34. an adaptor ring; 35. a fixed block; 36. a sector worm gear; 37. an arc-shaped slot; 38. a stopper; 4. a fixing assembly; 41. a screw; 5. an adjustment assembly; 51. a protective cap; 52. turning the head; 53. a resisting block; 54. a screw hole; 55. an external thread; 56. a worm pipe.
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. 1-4, the present invention provides a technical solution: a butterfly valve with a locking function comprises a valve body 1, a pneumatic actuator 2 and a locking mechanism 3 arranged on the valve body 1, wherein an air rod 22 is fixedly arranged at the output end of the pneumatic actuator 2, a guide rod 23 is vertically arranged on the rod shaft surface of the air rod 22, a conversion box 21 is arranged in the middle of the pneumatic actuator 2, a first rotating rod 25 parallel to the guide rod 23 is rotatably inserted in the conversion box 21, a clamping plate 24 vertical to the axis direction of the first rotating rod 25 is fixedly sleeved on the surface of the first rotating rod 25, and a rod inserting opening in sliding clamping connection with the guide rod 23 is formed in one end, far away from the first rotating rod 25, of the clamping plate 24;
the locking mechanism 3 comprises a card box 31 and a connecting ring 34, the connecting ring 34 connected with a second rotating rod 33 at the other end of the first rotating rod 25 is rotatably inserted in the card box 31 and fixed in the card box 31 and surrounds the outer side of the second rotating rod 33, a gap is left between the inner side of the connecting ring 34 and the outer side of the card box 31, a fixed block 35 positioned above the connecting ring 34 is arranged on the outer peripheral side of the second rotating rod 33, a fan-shaped worm wheel 36 positioned below the connecting ring 34 is fixedly sleeved on the outer peripheral side of the second rotating rod 33, an arc-shaped groove 37 is circumferentially arranged on the ring body of the connecting ring 34, a stop block 38 is arranged at the top of the fan-shaped worm wheel 36, and the stop block 38 is slidably clamped in the arc-shaped groove 37; when the valve body 1 is just closed, the fixed block 35 and the stop block 38 are respectively positioned at two ends of the groove body of the arc-shaped groove 37, one side of the fan-shaped worm wheel 36 is engaged with the worm 32, two ends of the worm 32 are respectively rotatably inserted on corresponding inner walls of the card box 31, the pneumatic actuator 2 is driven to drive the air rod 22 to horizontally move, so that the air rod 22 is driven to synchronously move, the guide rod 23 is driven to synchronously move by the pneumatic actuator, the clamping plate 24 is in sliding fit with the guide rod 23, the first rotating rod 25 is driven to rotate, the first rotating rod 25 is fixedly connected with the second rotating rod 33, the rotation of the second rotating rod 33 is finally realized, the rotating second rotating rod 33 drives the fixed block 35 at one end to slide along the inner wall of the arc-shaped groove 37, the butterfly valve is driven to work, the worm 32 is rotated to drive the fan-shaped worm wheel 36 engaged at one end to rotate, so that the rotating fan-shaped worm wheel 36 drives the stop block 38 to move towards one end of the fixed block 35 along the arc-shaped groove 37, the stopper 38 is in close contact with the fixing block 35, so that the butterfly valve can be locked.
The butterfly valve with the locking function further comprises an adjusting component 5, the adjusting component 5 comprises a worm pipe 56 communicated with the clamping box 31, a protective cap 51 is detachably mounted at one end, away from the clamping box 31, of the worm pipe 56, a rotary head 52 is fixedly arranged at one end, penetrating through the worm pipe 56, of the worm 32 in a threaded mode, a screw hole 54 is formed in the radial direction of the rotary head 52, the rotary head 52 is adjusted and driven to drive the worm 32, fixedly connected with one end of the worm 32 to rotate along the worm pipe 56, and therefore power is provided for the worm 32.
The outer periphery of one end, opposite to the rotor 52, of the worm 32 is provided with an external thread 55, the cap body of the protective cap 51 is provided with an internal thread matched with the external thread 55, the protective cap 51 is internally and fixedly provided with a resisting block 53, the resisting block 53 is in contact with the rotor 52, and the protective cap 51 is in threaded sleeve connection with the worm 56, so that the rotor 52 is protected conveniently, and the rotor 52 is prevented from being damaged by external factors.
The valve hole has been seted up in valve body 1, valve plate 11 is installed to the valve hole internal rotation, fixed mounting has two relative connecting plates 12 on the end plate body of valve plate 11, it is equipped with valve rod 13 to fix inserting between two connecting plates 12, valve port 16 with valve rod 13 intercommunication is seted up in the one end of valve body 1 footpath, valve rod 13 runs through valve port 16, and with the bottom fixed connection of second bull stick 33, settle the week side of valve plate 11 has the sealing ring of laminating mutually with the valve hole, be convenient for guarantee the leakproofness of butterfly valve, pivoted second bull stick 33 drives fixed connection's valve rod 13, thereby drive valve plate 11 along the ninety degrees of corresponding valve hole internal rotation in the valve body 1, reach the closure to the butterfly valve.
Still settle on the valve body 1 and have fixed subassembly 4, fixed subassembly 4 includes screw rod 41, the fixed horizontal bar that is equipped with of one end of screw rod 41, fixed a plurality of sleeve pipes 14 with the valve opening intercommunication of being equipped with on the valve body 1, every sleeve pipe 14 and the alternate connection of screw rod 41 screw thread, valve plate 11 is kept away from the fixed separation blade 15 that is equipped with screw rod 41 screw thread joint of one end of connecting plate 12, screw rod 41 screw thread passes sleeve pipe 14, and with separation blade 15 joint, can restrict valve plate 11, prevent the rotation of valve plate 11, thereby reach the effect of secondary shutting.
The working principle is as follows: when the valve is used, an operator drives the pneumatic actuator 2 to drive the air rod 22 to move horizontally so as to drive the guide rod 23 to move synchronously, the clamping plate 24 is in sliding fit with the guide rod 23 so as to drive the first rotating rod 25 to rotate, the first rotating rod 25 is fixedly connected with the second rotating rod 33 so as to facilitate the rotation of the second rotating rod 33, the rotating second rotating rod 33 drives the fixedly connected valve rod 13 so as to drive the valve plate 11 to rotate ninety degrees along the corresponding valve hole in the valve body 1, so as to close a butterfly valve, when the butterfly valve needs to be closed, the screw 41 is inserted into the screw hole 54 on the rotating head 52, so that the screw 41 is rotated to drive the rotating head 52 to rotate, the rotating head 52 drives the worm 32 with one end fixedly connected, then the worm 32 is rotated to drive the sector worm wheel 36 with one end meshed, and the rotating sector worm wheel 36 drives the stop block 38 to move towards one end of the arc-shaped groove 37, make dog 38 along the ninety degrees of arc 37 internal rotations, be convenient for dog 38 and fixed block 35 in close contact with, restriction fixed block 35 and second bull stick 33's removal realize the closure of restriction butterfly valve, finally reach the shutting to the butterfly valve, screw rod 41 screw thread passes sleeve pipe 14 and with 15 thread clamping of separation blade, can restrict valve plate 11, prevent the rotation of valve plate 11 to reach the effect of secondary shutting.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The butterfly valve with the locking function is characterized by comprising a valve body (1), a pneumatic actuator (2) and a locking mechanism (3) mounted on the valve body (1), wherein an air rod (22) is fixedly mounted at the output end of the pneumatic actuator (2), a guide rod (23) is vertically arranged on the surface of a rod shaft of the air rod (22), a conversion box (21) is mounted in the middle of the pneumatic actuator (2), a first rotating rod (25) parallel to the guide rod 23 is rotatably inserted in the conversion box (21), a clamping plate (24) vertical to the axis direction of the first rotating rod (25) is fixedly sleeved on the surface of the first rotating rod (25), and a rod socket in sliding clamping connection with the guide rod (23) is formed in one end, far away from the first rotating rod (25), of the clamping plate (24);
the clamping and locking mechanism (3) comprises a clamping box (31) and an engaging ring (34), a second rotating rod (33) connected with the other end of the first rotating rod (25) is rotatably inserted into the clamping box (31), the engaging ring (34) is fixed in the clamping box (31) and surrounds the outer side of the second rotating rod (33), a gap is left between the inner side of the connecting ring (34) and the outer side of the card box (31), a fixed block (35) positioned above the connecting ring (34) is arranged on the outer peripheral side of the second rotating rod (33), a sector worm wheel (36) positioned below the connecting ring (34) is fixedly sleeved on the outer peripheral side of the second rotating rod (33), an arc-shaped groove (37) is formed in the circumferential direction of a ring body of the connecting ring (34), a stop block (38) is arranged at the top of the fan-shaped worm wheel (36), and the stop block (38) is clamped in the arc-shaped groove (37) in a sliding mode; when valve body (1) just closed, fixed block (35) with dog (38) are located respectively the both ends of arc wall (37) cell body, one side meshing of fan-shaped worm wheel (36) has worm (32), the both ends of worm (32) are rotated respectively and are inserted and establish on the corresponding inner wall of card case (31).
2. The butterfly valve with a locking function according to claim 1, wherein: the butterfly valve with the locking function further comprises an adjusting component (5), the adjusting component (5) comprises a worm pipe (56) communicated with the clamping box (31), a protective cap (51) is detachably mounted at one end, away from the clamping box (31), of the worm pipe (56), a rotating head (52) is fixedly arranged at one end, penetrating through the worm pipe (56), of the worm (32) in a threaded mode, and a screw hole (54) is formed in the radial direction of the rotating head (52).
3. The butterfly valve with a locking function according to claim 2, wherein: an external thread (55) is arranged on the outer peripheral side of one end, opposite to the rotating head (52), of the worm (32), an internal thread matched with the external thread (55) is arranged on the protective cap (51), a resisting block (53) is fixedly arranged in the protective cap (51), and the resisting block (53) is in contact with the rotating head (52).
4. The butterfly valve with a locking function according to claim 1, wherein: the stop block (38) rotates along the arc-shaped groove (37) for ninety degrees, and the fixed block (35) is in sliding contact with the stop block (38).
5. The butterfly valve with a locking function according to claim 1, wherein: the improved rotary valve is characterized in that a valve hole is formed in the valve body (1), a valve plate (11) is rotatably mounted in the valve hole, two opposite connecting plates (12) are fixedly mounted on a plate body at one end of the valve plate (11), a valve rod (13) is fixedly inserted between the two connecting plates (12), a valve port (16) communicated with the valve rod (13) is radially formed in one end of the valve body (1), and the valve rod (13) penetrates through the valve port (16) and is fixedly connected with the bottom end of the second rotary rod (33).
6. The butterfly valve with a locking function according to claim 5, wherein: still settle on the valve body (1) and fix subassembly (4), fixed subassembly (4) include screw rod (41), the fixed horizontal bar that is equipped with in one end of screw rod (41), fixed in valve body (1) go up be equipped with a plurality of with sleeve pipe (14) of valve opening intercommunication, every sleeve pipe (14) with screw rod (41) screw thread interlude is connected, valve plate (11) keep away from the one end of connecting plate (12) is fixed be equipped with separation blade (15) of screw rod (41) screw thread joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121636047.9U CN215567991U (en) | 2021-07-19 | 2021-07-19 | Butterfly valve with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121636047.9U CN215567991U (en) | 2021-07-19 | 2021-07-19 | Butterfly valve with locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567991U true CN215567991U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121636047.9U Active CN215567991U (en) | 2021-07-19 | 2021-07-19 | Butterfly valve with locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006699A (en) * | 2023-03-28 | 2023-04-25 | 安徽省白湖阀门厂有限责任公司 | Butterfly valve capable of locking valve plate |
-
2021
- 2021-07-19 CN CN202121636047.9U patent/CN215567991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006699A (en) * | 2023-03-28 | 2023-04-25 | 安徽省白湖阀门厂有限责任公司 | Butterfly valve capable of locking valve plate |
| CN116006699B (en) * | 2023-03-28 | 2023-06-09 | 安徽省白湖阀门厂有限责任公司 | Butterfly valve capable of locking valve plate |
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