Anti-disassembly high-performance butterfly valve

Abstract

The utility model provides an anti-disassembly high-performance butterfly valve, which relates to the technical field of butterfly valves and comprises a valve body, an actuator is arranged at the top of the valve body, and a protective component is arranged on the outer surface of the actuator. And the protection assembly comprises a hand wheel, an annular block and a fixing frame, the outer surface of the fixing frame is connected with a protection cover through a hinge, and the outer surface of one side of the protection cover is fixedly connected with a connecting block. After the protective cover and the protective frame are combined and connected through the bolts and the fixing blocks, the hand wheel can be protected, mistaken touch of irrelevant personnel is reduced, and when the irrelevant personnel need to detach the hand wheel, the bolts need to be rotated down through a specific tool to open the protective cover, and therefore the hand wheel can be detached conveniently. In addition, under the combined design of the anti-dismantling rope, the connecting rod and the rolling wheel, additional safety guarantee is provided, the behavior of trying to dismantle the hand wheel can be physically hindered by the anti-dismantling rope, and the anti-dismantling performance of the hand wheel is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field especially relates to a kind of anti-disassembly high-performance butterfly valve. BACKGROUND

[0002] The butterfly valve is also called flap valve, it is a kind of simple structure regulating valve, can be used for low-pressure pipeline medium on-off control, butterfly valve is the disc that the closing piece (valve lobe or butterfly plate) is, rotate around valve shaft to reach the opening and closing of a kind of valve, valve can be used to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium and so on various types fluid flow, mainly play cut-off and throttling effect on pipeline.

[0003] In prior art, such as Chinese patent CN222085171U discloses a butterfly valve limiting locking device, including valve body, the upper end of valve body is equipped with actuator, actuator is equipped with driving valve body inside valve rod of rotating rod, rotating rod is fixedly provided with rotating wheel at the end away from actuator, actuator is fixedly provided with sleeve on the side close to rotating rod, sleeve is equipped with through slot on the side facing rotating wheel, rotating rod penetrates through through slot;When the valve body does not need to be opened in the utility model, in order to prevent the rotating wheel from rotating and opening the valve plate in the valve body due to accidental touch, the worker can directly pull the moving block, the moving block will drive the bottom fixedly connected gear ring to move towards gear, at this time, the gear ring will be stably inserted on the gear, at this time, the gear will be limited by the gear ring and will not rotate, so as to achieve the purpose of locking, avoid the butterfly valve from opening due to accidental touch when the butterfly valve is not needed to be used, affect use, and the whole operation is convenient and simple, convenient for workers to use.

[0004] In the above-mentioned patent, the gear can be limited by the gear ring, so as to avoid rotation and achieve the purpose of locking, avoid the butterfly valve from opening due to accidental touch when the butterfly valve is not needed to be used, affect use, but in the use process, the handwheel connection used by valve is relatively simple, and is exposed to the outside world, so that unrelated personnel can easily disassemble the handwheel, so that the butterfly valve cannot work at the expected opening degree. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that in the above-mentioned patent, the gear can be limited by the gear ring, so as to avoid rotation and achieve the purpose of locking, avoid the butterfly valve from opening due to accidental touch when the butterfly valve is not needed to be used, affect use, but in the use process, the handwheel connection used by valve is relatively simple, and is exposed to the outside world, so that unrelated personnel can easily disassemble the handwheel, so that the butterfly valve cannot work at the expected opening degree, and proposes a kind of anti-disassembly high-performance butterfly valve.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of anti-disassembly high-performance butterfly valve, including valve body, the top of the valve body is provided with actuator, the outer surface of the actuator is provided with protection assembly;The protection assembly includes hand wheel, annular block and fixed frame, the outer surface of the fixed frame is hingedly connected with protective cover, the outer surface of the one side of the protective cover is fixedly connected with connecting block, the outer surface of the connecting block is screwed and is penetrated with bolt, the outer surface of the one side of the fixed frame is fixedly connected with fixed block, the outer surface of the fixed block is equipped with threaded hole, one end of the hand wheel is fixedly connected with anti-disassembly rope, the bottom of the anti-disassembly rope is fixedly connected with connecting rod, the bottom of the connecting rod is rotatably connected with roller, the outer surface of the one side of the annular block is equipped with annular groove.

[0007] Preferably, the outer surface of the one side of the annular block is fixedly connected with the outer surface of the one side of the actuator, and one end of the hand wheel is fixedly connected with the output end of the actuator.

[0008] Preferably, the position of the fixed block cooperates with the position of the connecting block, and the outer surface of the bolt is threadedly connected with the inner surface of the threaded hole.

[0009] Preferably, the roller is located inside the annular groove, and the outer surface of the roller cooperates with the inner surface of the annular groove.

[0010] Preferably, the right surface of the fixed frame is equipped with sealing groove, and the inner surface of the sealing groove is provided with sealing gasket.

[0011] Preferably, the fixed frame cooperates with the protective cover, and the outer surface of the one side of the fixed frame is fixedly connected with the outer surface of the one side of the actuator.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1、In the utility model, after the protective cover and the protection frame are connected by the bolt and the fixed block, the hand wheel can be protected, and the mistaken touch of irrelevant personnel is reduced, and when the irrelevant personnel need to disassemble the hand wheel, not only the bolt needs to be rotated down by a specific tool to open the protective cover, but also the combination design of the anti-disassembly rope, the connecting rod and the roller provides additional security, and the behavior of trying to disassemble the hand wheel is physically hindered by the anti-disassembly rope, so that the anti-disassembly property of the hand wheel is further improved.

[0014] 2、In the utility model, the sealing gasket is placed in the sealing groove, when the fixed frame and the protective cover are combined, the protective cover will extrude the sealing gasket, so that the sealing gasket is deformed to fill the gap between the sealing gasket, the protective cover and the fixed frame, the sealing property after combination is guaranteed, external moisture is prevented from entering the inner wall, and the corrosion phenomenon of the hand wheel is reduced. ACCURACY OF DRAWINGS

[0015] Figure 1 A perspective view of a high-performance butterfly valve of the present application is shown in Fig. 1.

[0016] Figure 2 An expanded view of the high-performance butterfly valve of the present application is shown in Fig. 2.

[0017] Figure 3 A partial structure sectional view of the high-performance butterfly valve of the present application is shown in Fig. 3.

[0018] Figure 4 A partial structure schematic view of the high-performance butterfly valve of the present application is shown in Fig. 4.

[0019] Legend: 1, valve body; 2, actuator; 3, protection assembly; 301, hand wheel; 302, protective cover; 303, bolt; 304, anti-disassembly rope; 305, annular block; 306, fixed block; 307, connecting rod; 308, roller; 309, annular groove; 310, connecting block; 311, sealing gasket; 312, sealing groove; 313, fixed frame; 314, threaded hole. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in different ways from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0022] Example 1, as Figure 1 - Figure 4The utility model provides a kind of anti-disassembly high-performance butterfly valve, including valve body 1, the top of valve body 1 is provided with actuator 2, the outer surface of actuator 2 is provided with protection assembly 3;Protection assembly 3 includes hand wheel 301, annular block 305 and fixed frame 313, the outer surface of fixed frame 313 is hingedly connected with protective cover 302, the outer surface of one side of protective cover 302 is fixedly connected with connecting block 310, the outer surface of connecting block 310 is screwed with bolt 303, the outer surface of one side of fixed frame 313 is fixedly connected with fixed block 306, the outer surface of fixed block 306 is equipped with screw hole 314, one end of hand wheel 301 is fixedly connected with anti-disassembly rope 304, the bottom of anti-disassembly rope 304 is fixedly connected with connecting rod 307, the bottom of connecting rod 307 is rotatably connected with gyro wheel 308, the outer surface of one side of annular block 305 is equipped with annular groove 309, the outer surface of one side of annular block 305 is fixedly connected with the outer surface of one side of actuator 2, the output end of actuator 2 is fixedly connected with one end of hand wheel 301, the position of fixed block 306 cooperates with the position of connecting block 310, the outer surface of bolt 303 is threadedly connected with the inner surface of screw hole 314, gyro wheel 308 is located in the inside of annular groove 309, the outer surface of gyro wheel 308 cooperates with the inner surface of annular groove 309.

[0023] Its whole embodiment 1 reaches the effect that when needing to adjust valve body 1, by rotating hand wheel 301, under the action of actuator 2, drive valve body 1 inside valve plate to rotate, wherein actuator 2 is prior art, has been fully disclosed in CN222085171U, here too much to repeat, simultaneously hand wheel 301 when rotating, will drive anti-disassembly rope 304 to rotate, drive connecting rod 307 and gyro wheel 308 rotate in the annular groove 309 in annular block 305, eliminate motion interference, after adjusting, by rotating protective cover 302 to make it with fixed frame 313 to merge, then by special tool rotates bolt 303, make it along connecting block 310 rotate, and threadedly insert fixed block 306 in screw hole 314, complete the fixation of protective cover 302, can protect hand wheel 301 under the action of protective cover 302, reduce the mis-touch of irrelevant personnel, so when irrelevant personnel needs to disassemble hand wheel 301, not only need to be opened protective cover 302 by special tool rotating bolt 303, simultaneously under the combined design of anti-disassembly rope 304, connecting rod 307 and gyro wheel 308, provide additional security, the behavior of trying to disassemble hand wheel 301 will be physically hindered by anti-disassembly rope 304, further improve the anti-disassembly of hand wheel 301.

[0024] Embodiment 2, as Figures 1-4As shown, the right surface of the fixed frame 313 is provided with a sealing groove 312, and the inner surface of the sealing groove 312 is provided with a sealing gasket 311.

[0025] The effect of the whole embodiment 2 is that the sealing gasket 311 is placed in the sealing groove 312, when the fixed frame 313 is combined with the protective cover 302, the protective cover 302 will extrude the sealing gasket 311, so that the sealing gasket 311 is deformed to fill the gap between the sealing gasket 311 and the protective cover 302 and the fixed frame 313, so as to ensure the sealing after combination, avoid external water vapor entering the inner wall, and reduce the corrosion phenomenon of the hand wheel 301.

[0026] Working principle: when it is necessary to adjust the valve body 1, the hand wheel 301 is rotated, and under the action of the actuator 2, the valve plate inside the valve body 1 is driven to rotate, at the same time, the hand wheel 301 is rotated, the anti-disassembly rope 304 is driven to rotate, the connecting rod 307 and the roller 308 are driven to rotate in the annular groove 309 in the annular block 305, and the motion interference is eliminated, after adjustment, the protective cover 302 is rotated to combine with the fixed frame 313, then the bolt 303 is rotated by a special tool, so as to rotate along the connecting block 310 and be screwed into the threaded hole 314 in the fixed block 306, the fixing of the protective cover 302 is completed, at the same time, the protective cover 302 extrudes the sealing gasket 311, so that the sealing gasket 311 is deformed to fill the gap between the sealing gasket 311 and the protective cover 302 and the fixed frame 313, so as to ensure the sealing after combination, so that the hand wheel 301 can be protected under the action of the protective cover 302, and the mistaken touch of irrelevant personnel is reduced, therefore, when irrelevant personnel needs to disassemble the hand wheel 301, the bolt 303 needs to be rotated down by a special tool to open the protective cover 302, at the same time, under the combined design of the anti-disassembly rope 304, the connecting rod 307 and the roller 308, additional safety protection is provided, the behavior of trying to disassemble the hand wheel 301 will be physically hindered by the anti-disassembly rope 304, and the disassembly resistance of the hand wheel 301 is further improved.

[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A tamper-proof high-performance butterfly valve, characterized in that: Includes a valve body (1), an actuator (2) is provided on the top of the valve body (1), and a protective component (3) is provided on the outer surface of the actuator (2). The protective component (3) includes a handwheel (301), an annular block (305), and a fixed frame (313). The outer surface of the fixed frame (313) is hinged to a protective cover (302). A connecting block (310) is fixedly connected to one side of the outer surface of the protective cover (302). A bolt (303) is threaded through the outer surface of the connecting block (310). A fixed block (306) is fixedly connected to one side of the outer surface of the fixed frame (313). A threaded hole (314) is provided on the outer surface of the fixed block (306). An anti-tamper rope (304) is fixedly connected to one end of the handwheel (301). A connecting rod (307) is fixedly connected to the bottom of the anti-tamper rope (304). A roller (308) is rotatably connected to the bottom of the connecting rod (307). An annular groove (309) is provided on one side of the outer surface of the annular block (305).

2. The tamper-proof high-performance butterfly valve according to claim 1, characterized in that: One side of the outer surface of the annular block (305) is fixedly connected to one side of the outer surface of the actuator (2), and one end of the handwheel (301) is fixedly connected to the output end of the actuator (2).

3. The tamper-proof high-performance butterfly valve according to claim 1, characterized in that: The position of the fixing block (306) matches the position of the connecting block (310), and the outer surface of the bolt (303) is threadedly connected to the inner surface of the threaded hole (314).

4. The tamper-proof high-performance butterfly valve according to claim 1, characterized in that: The roller (308) is located inside the annular groove (309), and the outer surface of the roller (308) matches the inner surface of the annular groove (309).

5. The tamper-proof high-performance butterfly valve according to claim 1, characterized in that: A sealing groove (312) is provided on the right surface of the fixed frame (313), and a sealing gasket (311) is provided on the inner surface of the sealing groove (312).

6. The tamper-proof high-performance butterfly valve according to claim 1, characterized in that: The fixed frame (313) cooperates with the protective cover (302), and one side of the outer surface of the fixed frame (313) is fixedly connected to one side of the outer surface of the actuator (2).

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