Novel high-frequency butterfly valve

Abstract

The utility model discloses a novel high-frequency butterfly valve, and relates to the technical field of butterfly valves, the novel high-frequency butterfly valve comprises a valve body, the lower surface of the valve body is fixedly connected with a second limiting block, the inside of the second limiting block is rotatably connected with a second limiting snap ring, the inside of the second limiting snap ring is provided with a first filling sealing groove, and the second limiting snap ring is provided with a second filling sealing groove. According to the novel high-frequency butterfly valve, the supporting effect on the limiting rod and the rotating pad is achieved through the tapered roller bearing, and the limiting rod is axially limited through the cylindrical roller bearing, so that the position of the central axis of the limiting rod is kept unchanged all the time in the rotating process; the problem that due to the fact that the axis position of the limiting rod is changed, the position of a rotating pad is moved, and sealing of the device is not tight is solved, friction between the limiting rod and a second limiting clamping ring is reduced through a tapered roller bearing, and the effects of rapid rotation, device abrasion, influence on use of the device and increase of disassembly and maintenance cost of the device are prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field, especially in a kind of novel high-frequency butterfly valve. BACKGROUND

[0002] Butterfly valve is a kind of widely used in petroleum, chemical industry, ship, nuclear power station and other industries pipeline system for controlling pipeline medium flow valve, by butterfly plate rotation around valve shaft to reach the opening and closing of a kind of valve, can be used to control air, water, steam, corrosive medium, mud, oil, liquid metal and radioactive medium and various types of fluid flow.

[0003] Publication No.: CN220706425U discloses a kind of high-frequency butterfly valve, however the scheme is in the process of implementation, by thrust ring and rotating pad is limited to the action of valve shaft, in the process of use, frequent rotation of valve shaft can make thrust ring and rotating pad quickly wear, affect the use of device, increase the disassembly maintenance cost of device, and then propose a kind of novel high-frequency butterfly valve. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of frequent rotation of valve shaft in the prior art, which can cause rapid wear of thrust ring and rotating pad, affect the use of device and increase the disassembly maintenance cost of device, and provides a novel high-frequency butterfly valve that can solve the problem in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of novel high-frequency butterfly valve, including valve body, the lower surface of the valve body is fixedly connected with second limit block, the inside of the second limit block is rotatably connected with second limit snap ring, the inside of the second limit snap ring is equipped with first filling sealing groove, the inside of the second limit snap ring is rotatably connected with limit rod, the bottom of the limit rod is fixedly connected with convex column, the outer surface of the convex column is provided with tapered roller bearing, the bottom of the tapered roller bearing is provided with end cover, the outer surface of the limit rod is provided with screw, the outer surface of the limit rod is fixedly connected with rotating pad by screw, the inside of the valve body is fixedly connected with limit strip.

[0006] Preferably, the outer surface of the limit rod is equipped with second clamping groove, and the inside of the second clamping groove is provided with connecting block.

[0007] Preferably, the outer surface of the top end of the limit rod is provided with rotating block.

[0008] Preferably, the inside of the rotating block is equipped with first clamping groove, and the shape of the inside of the first clamping groove is matched with the connecting block.

[0009] Preferably, the upper surface of the valve body is fixedly connected with first limit block, and the upper surface of the first limit block is fixedly connected with protective box by bolt.

[0010] Preferably, the inner top wall of the protective box is fixedly connected with a motor, and the output shaft of the motor is fixedly connected with the upper surface of the rotating block.

[0011] Preferably, the first limiting block is rotatably connected with a first limiting snap ring, and the first limiting snap ring is internally provided with a second filling sealing groove.

[0012] Preferably, the valve body is fixedly connected with a connecting plate at both ends.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The novel high-frequency butterfly valve, when in use, the limiting strips are in the best sealing state when the rotating pads are reset during the process of closing the valve, so that the leakage problem caused by the too large reset rotation angle of the rotating pads is prevented, the supporting effect of the limiting rods and the rotating pads is realized through the tapered roller bearings, the limiting rods are axially limited through the cylindrical roller bearings, so that the axial position of the limiting rods is always unchanged during the rotating process, the problem of the sealing of the device is caused due to the axial position change of the limiting rods and the position change of the rotating pads, and the tapered roller bearings are used to reduce the friction between the limiting rods and the second limiting snap rings, prevent the rapid rotation of the limiting rods, the wear of the device, the use of the device, and the increase of the disassembly and maintenance cost of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and examples:

[0016] Figure 1 It is a structural schematic view of the novel high-frequency butterfly valve of the utility model;

[0017] Figure 2 It is a structural schematic view of the end cover of the utility model;

[0018] Figure 3 It is a structural schematic view of the rotating pad of the utility model;

[0019] Figure 4 It is a structural schematic view of the protective box of the utility model;

[0020] Figure 5 It is a structural schematic view of the protective box of the utility model; Figure 3 It is a structural schematic view of the protective box of the utility model;

[0021] Figure 6 It is a structural schematic view of the protective box of the utility model; Figure 3 It is a structural schematic view of the protective box of the utility model;

[0022] : 1, valve body; 2, protective box; 3, first limit block; 4, rotating pad; 5, screw; 6, connecting plate; 7, end cover; 8, second limit block; 9, motor; 10, rotating block; 11, connecting block; 12, first clamping groove; 13, second clamping groove; 14, limit rod; 15, limit strip; 16, tapered roller bearing; 17, first limit snap ring; 18, convex column; 19, second limit snap ring; 20, first filling sealing groove; 21, second filling sealing groove. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Please refer to Figures 1-6 The utility model provides a technical scheme: a novel high frequency butterfly valve, including valve body 1, the lower surface of valve body 1 is fixedly connected with second limit block 8, the inside rotationally connected with second limit snap ring 19 of second limit block 8, the inside of second limit snap ring 19 is opened with first filling sealing groove 20, the inside rotationally connected with limit rod 14 of second limit snap ring 19, the bottom of limit rod 14 is fixedly connected with convex column 18, the outer surface of convex column 18 is provided with tapered roller bearing 16, the bottom of tapered roller bearing 16 is provided with end cover 7, the outer surface of limit rod 14 is provided with screw 5, the outer surface of limit rod 14 is fixedly connected with rotating pad 4 through screw 5, the inside of valve body 1 is fixedly connected with limit strip 15, so that the cooperation of second limit snap ring 19, convex column 18 and end cover 7 plays the limiting action of tapered roller bearing 16, and the friction generated by limit rod 14 on second limit snap ring 19 in the rotating process is reduced through tapered roller bearing 16, the abrasion between second limit snap ring 19 and limit rod 14 is reduced, and limit rod 14 and rotating pad 4 are supported through tapered roller bearing 16, so that limit rod 14 is always in the central position of second limit snap ring 19, the problem that rotating pad 4 is displaced due to the rotation of limit rod 14 to cause the sealing of the device to be not strict is reduced, and limit strip 15 is used to limit the action of rotating pad 4, so that rotating pad 4 reaches the accurate sealing position after rotating, plays the role of reducing the abrasion of the device, increasing the precision and sealing property of the device.

[0025] The outer surface of limit rod 14 is provided with second clamping groove 13, and the inside of second clamping groove 13 is provided with connecting block 11, so that second clamping groove 13 plays the role of limiting connecting block 11.

[0026] The outer surface of the top end of the limiting rod 14 is provided with a rotating block 10, so that the rotating block 10 cooperates with the connecting block 11 to drive the limiting rod 14 to rotate.

[0027] The first clamping groove 12 is arranged in the rotating block 10, and the shape of the first clamping groove 12 is matched with the connecting block 11, so that the connecting block 11 is used to connect the rotating block 10 and the limiting rod 14, and the rotating block 10 drives the limiting rod 14 to rotate.

[0028] The upper surface of the valve body 1 is fixedly connected with a first limiting block 3, and the upper surface of the first limiting block 3 is fixedly connected with a protection box 2 through bolts, so that the first limiting block 3 is used to limit and fix the protection box 2.

[0029] The inner top wall of the protection box 2 is fixedly connected with a motor 9, and the output shaft of the motor 9 is fixedly connected with the upper surface of the rotating block 10, so that the motor 9 is used to drive the rotating block 10 to rotate.

[0030] The first limiting block 3 is rotatably connected with a first limiting clamping ring 17, and the first limiting clamping ring 17 is provided with a second filling sealing groove 21 in the inside, so that the second filling sealing groove 21 is used as a sealing device.

[0031] Both ends of the valve body 1 are fixedly connected with connecting plates 6, so that the connecting plates 6 are used as quick mounting devices.

[0032] The implementation principle of the novel high-frequency butterfly valve is as follows: in use, the motor 9 is started, the rotating block 10 is driven to rotate through the forward and reverse rotation of the output end of the motor 9, the rotating block 10 cooperates with the connecting block 11 through the first clamping groove 12 in the inside, the limiting rod 14 is driven to rotate, the rotating pad 4 fixedly connected with the outer surface of the limiting rod 14 is driven to rotate, and the inside of the valve body 1 is completed to be turned on and off, at this time, the conical roller bearing 16 at the bottom of the limiting rod 14 supports and positions the limiting rod 14, so that the limiting rod 14 is always located at the center position of the conical roller bearing 16, at this time, the rotating pad 4 is located at the center position of the valve body 1, the rotating pad 4 and the inside of the valve body 1 are in a tight sealing state, and the leakage of materials caused by the deviation of the position of the rotating pad 4 is avoided, meanwhile, the limiting strip 15 is used to limit the rotating pad 4 when the valve is closed, so that the rotating pad 4 is reset at the most appropriate position each time, and the problem of loose sealing caused by the excessive rotation angle of the rotating pad 4 when the rotating pad 4 is reset is prevented.

[0033] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A new high frequency butterfly valve comprising a valve body (1), characterized in that, The lower surface of the valve body (1) is fixedly connected with a second limiting block (8), the inside of the second limiting block (8) is rotatably connected with a second limiting snap ring (19), the inside of the second limiting snap ring (19) is provided with a first filling sealing groove (20), the inside of the second limiting snap ring (19) is rotatably connected with a limiting rod (14), the bottom end of the limiting rod (14) is fixedly connected with a convex column (18), the outer surface of the convex column (18) is provided with a tapered roller bearing (16), the bottom end of the tapered roller bearing (16) is provided with an end cover (7), the outer surface of the limiting rod (14) is provided with a screw (5), the outer surface of the limiting rod (14) is fixedly connected with a rotating pad (4) through the screw (5), and the inside of the valve body (1) is fixedly connected with a limiting strip (15).

2. A new high frequency butterfly valve according to claim 1, characterized in that: The outer surface of the limiting rod (14) is provided with a second clamping groove (13), and the inside of the second clamping groove (13) is provided with a connecting block (11).

3. A new high frequency butterfly valve according to claim 1, characterized in that: The top end of the limiting rod (14) is provided with a rotating block (10).

4. A novel high frequency butterfly valve according to claim 3, characterized in that: The inside of the rotating block (10) is provided with a first clamping groove (12), and the inside of the first clamping groove (12) is matched with the shape of the connecting block (11).

5. A new high frequency butterfly valve according to claim 1, characterized in that: The upper surface of the valve body (1) is fixedly connected with a first limiting block (3), and the upper surface of the first limiting block (3) is fixedly connected with a protective box (2) through a bolt.

6. A novel high frequency butterfly valve as claimed in claim 5, wherein: The inner top wall of the protective box (2) is fixedly connected with a motor (9), and the output shaft of the motor (9) is fixedly connected with the upper surface of the rotating block (10).

7. A new high frequency butterfly valve according to claim 5, characterized in that: The inside of the first limiting block (3) is rotatably connected with a first limiting snap ring (17), and the inside of the first limiting snap ring (17) is provided with a second filling sealing groove (21).

8. A new high frequency butterfly valve according to claim 1, characterized in that: Both ends of the valve body (1) are fixedly connected with a connecting plate (6).

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