Butterfly valve protection device

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve protection device which comprises a butterfly valve body assembly, the butterfly valve body assembly comprises a valve body, the bottom of the valve body is fixedly connected with a connecting pipe, the bottom of the connecting pipe is fixedly connected with a valve pipe, one end of the valve body is rotationally connected with a rotating handle, and the other end of the valve body is fixedly connected with a valve rod. A limiting assembly used in cooperation with the rotating handle is arranged at the top of the valve pipe and comprises a movable box, the bottom of the movable box is fixedly connected with the top of the valve pipe, a spring is fixedly arranged at the bottom of an inner cavity of the movable box, one end of the spring is fixedly connected with a movable block, and one face of the movable block is fixedly connected with a shifting piece. The surface of the movable box is provided with a groove used in cooperation with the shifting piece, when the rotating handle is limited, the movable block is driven to move through the elastic force of the spring, the sliding block and the sliding groove are matched with the movable block to move, and the movable block moves to drive the limiting rod to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field, concretely is a butterfly valve protection device. BACKGROUND

[0002] The butterfly valve is also called flap valve, is a simple structure regulating valve, is widely used in many fields, in the water supply and drainage system, is used for controlling the flow and on-off of water, in the heating ventilation air conditioning system, regulates the flow of air or water, realizes temperature regulation function etc, in the chemical industry, is used for the pipeline control of various corrosive or non-corrosive fluid, in the gas delivery pipeline, also often is used to control the flow and switch of gas.

[0003] Butterfly valve needs to rotate the handle to drive the valve core when using, thereby controls the size of water flow and cuts off water flow, but the handle will appear misrotation when the butterfly valve cuts off water flow, thereby drives the valve core to rotate, causes the valve core sealing protection effect to be bad, appears the condition of leakage. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a butterfly valve protection device, has the advantages such as limiting butterfly valve handle, solves the problem of misrotation of butterfly valve handle.

[0005] The utility model discloses a butterfly valve protection device, including butterfly valve body assembly, butterfly valve body assembly includes valve body, the bottom fixedly connected with the connecting pipe of valve body, the bottom fixedly connected with the valve pipe of connecting pipe, one end of valve body is rotatably connected with handle, the top of valve pipe is provided with the limiting assembly of handle cooperation, limiting assembly includes movable box, the bottom of movable box is fixedly connected with the top of valve pipe, the bottom fixed setting of movable box inner chamber has spring, one end of spring is fixedly connected with movable block, one side of movable block is fixedly connected with the paddle of surface, the surface of movable box is set up with the recess of paddle cooperation, the top of sliding block is fixedly connected with the limiting rod, and one end of limiting rod penetrates and extends to the outside of movable box, the surface of handle is set up with the limiting hole of limiting rod cooperation, the both sides of valve pipe surface are provided with sealing assembly.When limiting handle, movable block is removed by the elastic force of spring, sliding block and sliding slot cooperate movable block removal, movable block removal drives limiting rod to move, when limiting rod is inserted into the limiting hole on the surface of handle, can limit the protection of handle, avoid the misrotation of handle in the process of work, thereby drives the valve core to rotate, causes the sealing effect of valve core to be bad, appears the condition of leakage, when needing to rotate handle, the paddle is actuated, movable block is removed by the paddle removal, sliding block and sliding slot cooperate movable block removal, movable block removal can drive limiting rod to move, when limiting rod moves out of limiting hole, can remove the limiting of handle, simple operation, convenient for user to use.

[0006] The utility model discloses a butterfly valve protection device, wherein the sealing assembly includes metal protection ring, the metal protection ring fixed cover is established in the surface of valve pipe, the inner chamber of metal protection ring is opened with annular recess, the inner chamber of annular recess is embedded with rubber seal ring, and rubber seal ring is in close contact with the surface of valve pipe, and the surface of metal protection ring is opened with threaded hole. By setting sealing assembly at both ends of valve pipe, the connecting place of sealing assembly and pipeline is protected, the sealing property of the connection between valve pipe and pipeline is increased, and the situation that water flow leaks from the connecting place of valve pipe and pipeline is avoided.

[0007] The utility model discloses a butterfly valve protection device, wherein one side of the handle and the inner chamber of the valve body are fixedly connected with a rotating rod, one end of the rotating rod movably covers an activity cover, and the activity cover is fixedly arranged in the inner chamber of the other end of the valve body, the surface of the rotating rod movably covers a driving gear, the surface of the driving gear is movably connected with a driven gear, the inner chamber of the driven gear is fixedly connected with a rotating rod, one end of the rotating rod penetrates the valve body and the connecting pipe and extends into the inner chamber of the valve pipe and is movably connected with the bottom of the inner chamber of the valve pipe, and the surface of the rotating rod and the inner chamber of the valve pipe are fixedly covered with a valve core. When blocking the water flow, rotate the handle, drive the rotating rod to rotate through the handle rotation, drive the driving gear to rotate through the rotating rod rotation, drive the driven gear to rotate through the driving gear rotation, drive the rotating rod to rotate through the driven gear rotation, drive the valve core to rotate through the rotating rod rotation, and when the valve core is rotated to closely adhere to the inner wall of the valve pipe, the water flow can be blocked. When water is discharged, reverse the handle, which is convenient to use.

[0008] The utility model discloses a butterfly valve protection device, wherein the number of the limiting hole is multiple, and the multiple limiting holes are equidistantly arranged on the surface of the handle. By setting multiple limiting holes and limiting rods for use together, the flexibility of the limiting rod is increased, so that the limiting rod can adapt to different limiting requirements.

[0009] The utility model discloses a butterfly valve protection device, wherein the number of the threaded hole is twelve, and the twelve threaded holes are equidistantly arranged on the surface of the metal protection ring. By setting twelve threaded holes and limiting bolts for use together, the fixing effect between the valve pipe and the pipeline is increased, so that the connection between the valve pipe and the pipeline is prevented from loosening and causing leakage.

[0010] The utility model discloses a butterfly valve protection device, wherein the left and right sides of the movable block are fixedly provided with sliding blocks, and the two sides of the inner chamber of the movable box are provided with sliding grooves matched with the sliding blocks. By setting sliding blocks and sliding grooves to move the movable block, the stability of the movable block is increased, so that the movable block is prevented from being stuck during movement and affecting the limiting or releasing of the handle.

[0011] Compared with the prior art, the utility model have the advantages that:

[0012] 1、 The utility model discloses a limit the rotation of the handle when the spring's elasticity drives the movable block to move, and the movable block moves through the cooperation of the sliding block and the sliding slot, and the movable block moves to drive the limiting rod to move, when the limiting rod is clamped into the limiting hole on the surface of the handle, the handle can be limited and protected, avoiding the misoperation of the handle during the work, and the valve core is driven to rotate, resulting in the poor sealing effect of the valve core and the leakage, when the handle needs to be rotated, the pusher is pushed, the movable block moves through the movement of the pusher, the movable block moves through the cooperation of the sliding block and the sliding slot, and the movable block moves to drive the limiting rod to move, when the limiting rod moves out of the limiting hole, the handle can be released, which is simple to operate and convenient for users to use.

[0013] 2、 The utility model discloses a sealing assembly is arranged at the both ends of the valve pipe, and the connecting portion of the sealing assembly and the pipeline is protected, the sealing property of the connection between the valve pipe and the pipeline is improved, and the leakage of water flow from the connecting portion of the valve pipe and the pipeline is avoided.

[0014] When the water flow is blocked, the handle is rotated, the rotating rod is driven to rotate through the rotation of the handle, the driven gear is driven to rotate through the rotation of the rotating rod, the rotating rod is driven to rotate through the rotation of the handle, the valve core is driven to rotate through the rotation of the rotating rod, and the water flow can be blocked when the valve core is tightly combined with the inner wall of the valve pipe.

[0015] The plurality of limiting holes are arranged, and the limiting rods are used in cooperation, the flexibility of the limiting rods is improved, and the limiting rods can adapt to different limiting requirements.

[0016] The twelve threaded holes are arranged, and the limiting bolts are used in cooperation, the fixing effect between the valve pipe and the pipeline is improved, and the leakage caused by the loose connection between the valve pipe and the pipeline is avoided.

[0017] The sliding block and the sliding slot are arranged, and the movable block moves through the cooperation of the sliding block and the sliding slot, the stability of the movable block is improved, and the movable block is prevented from being stuck during the movement, thereby affecting the limiting or releasing of the handle. DETAILED DESCRIPTION

[0018] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application.

[0019] Figure 1 The drawings described herein are used to provide further understanding of the present application, and form a part of the present application.

[0020] Figure 2The utility model discloses a position limiting assembly structure schematic drawing.

[0021] Figure 3 The utility model discloses a movable box internal section view structure schematic drawing.

[0022] Figure 4 The utility model discloses a butterfly valve body assembly structure schematic drawing.

[0023] Figure 5 The utility model discloses a sealing assembly structure schematic drawing.

[0024] Figure 6 The utility model discloses a rubber sealing ring structure schematic drawing.

[0025] In the drawing: 1, butterfly valve body assembly;101, valve body;102, connecting pipe;103, valve pipe;104, handle;105, rotating rod;106, driving gear;107, movable sleeve;108, driven gear;109, rotating rod;110, valve core;2, position limiting assembly;201, movable box;202, spring;203, movable block;204, sliding block;205, sliding slot;206, push piece;207, position limiting rod;208, recess;3, sealing assembly;301, metal protection ring;302, annular recess;303, rubber sealing ring;304, screw hole;4, position limiting hole. DETAILED DESCRIPTION

[0026] The utility model will disclose a plurality of implementation manners of the utility model with the drawing, and many practical details will be described together in the following description for the purpose of clear illustration. However, it should be appreciated that these practical details should not be used to limit the utility model. That is to say, in some implementation manners of the utility model, these practical details are unnecessary. In addition, for the purpose of simplifying the drawing, some conventional structures and components will be drawn in the simple schematic way in the drawing.

[0027] Please refer to Figures 1-6The utility model discloses a butterfly valve protection device, including butterfly valve body subassembly 1, butterfly valve body subassembly 1 includes valve body 101, the bottom fixed connection of valve body 101 has the connecting pipe 102, the bottom fixed connection of connecting pipe 102 has valve pipe 103, and one end of valve body 101 is rotatably connected with the handle 104, and the top of valve pipe 103 is provided with the limiting component 2 of cooperation with handle 104, limiting component 2 includes movable box 201, and the bottom of movable box 201 is fixedly connected with the top of valve pipe 103, and the bottom of movable box 201 inner chamber is fixedly provided with spring 202, and one end of spring 202 is fixedly connected with movable block 203, and one side of movable block 203 is fixedly connected with the paddle 206, and the surface of movable box 201 is provided with the recess 208 of cooperation with paddle 206, and the top of sliding block 204 is fixedly connected with the limiting rod 207, and one end of limiting rod 207 penetrates and extends to the outside of movable box 201, and the surface of handle 104 is provided with the limiting hole 4 of cooperation with limiting rod 207, and the both sides of valve pipe 103 surface are provided with sealing assembly 3, when limiting handle 104, through the elastic force of spring 202 drive movable block 203 moves, through sliding block 204 and sliding slot 205 cooperation movable block 203 moves, through movable block 203 moves drive limiting rod 207 moves, when limiting rod 207 is inserted into the limiting hole 4 on the surface of handle 104, can limit protection handle 104, avoid the mistake of handle 104 in the process of working, and then drive valve core 110 rotates, cause valve core 110 sealing effect is not good, appears the situation of leakage, when needing to rotate handle 104, the paddle 206 is dithered, through the paddle 206 movement drive movable block 203 moves, through sliding block 204 and sliding slot 205 cooperation movable block 203 moves, through movable block 203 moves can drive limiting rod 207 moves, when limiting rod 207 moves out of limiting hole 4, can remove the limiting of handle 104, simple operation, convenient for user to use.

[0028] Sealing assembly 3 includes metal protection ring 301, and the metal protection ring 301 is fixedly covered on the surface of valve pipe 103, and the inner cavity of metal protection ring 301 is provided with annular groove 302, and the inner cavity of annular groove 302 is embedded with rubber sealing ring 303, and the rubber sealing ring 303 is in close contact with the surface of valve pipe 103, and the surface of metal protection ring 301 is provided with threaded hole 304, and the sealing assembly 3 is arranged at the both ends of valve pipe 103, to protect the connecting part of sealing assembly 103 and pipeline, increase the sealing property between valve pipe 103 and pipeline, avoid the leakage of water flow from the connecting part of valve pipe 103 and pipeline.

[0029] One side of the rotating handle 104 is fixedly connected with a rotating rod 105 in the inner cavity of the valve body 101, one end of the rotating rod 105 is movably sleeved with a movable sleeve 107, and the movable sleeve 107 is fixedly arranged in the inner cavity of the other end of the valve body 101. The surface of the rotating rod 105 is fixedly sleeved with a driving gear 106, the surface of the driving gear 106 is movably connected with a driven gear 108, the inner cavity of the driven gear 108 is fixedly connected with a rotating rod 109, one end of the rotating rod 109 penetrates the valve body 101 and the connecting pipe 102 and extends into the inner cavity of the valve pipe 103 and is movably connected with the bottom of the inner cavity of the valve pipe 103, and the surface of the rotating rod 109 and the inner cavity of the valve pipe 103 are fixedly sleeved with a valve core 110. When the water flow is blocked, the rotating handle 104 is rotated, the rotating handle 104 is rotated to drive the rotating rod 105 to rotate, the rotating rod 105 is rotated to drive the driving gear 106 to rotate, the driving gear 106 is rotated to drive the driven gear 108 to rotate, the driven gear 108 is rotated to drive the rotating rod 109 to rotate, and the rotating rod 109 is rotated to drive the valve core 110 to rotate. When the valve core 110 is rotated to tightly fit with the inner wall of the valve pipe 103, the water flow can be blocked. When the water is discharged, the rotating handle 104 is reversed, which is convenient to use.

[0030] The number of the limiting holes 4 is multiple, and the multiple limiting holes 4 are arranged at equal distances on the surface of the rotating handle 104. The multiple limiting holes 4 are used in cooperation with the limiting rods 207, the flexibility of the limiting rods 207 is increased, and the limiting rods 207 can adapt to different limiting requirements.

[0031] The number of the threaded holes 304 is twelve, and the twelve threaded holes 304 are arranged at equal distances on the surface of the metal protection ring 301. The twelve threaded holes 304 are used in cooperation with the limiting bolts, the fixing effect between the valve pipe 103 and the pipeline is increased, and the connection loosening between the valve pipe 103 and the pipeline is avoided, so that the leakage is avoided.

[0032] The left and right sides of the movable block 203 are fixedly provided with sliding blocks 204, and the inner cavities of the movable boxes 201 are provided with sliding grooves 205 used in cooperation with the sliding blocks 204. The sliding blocks 204 and the sliding grooves 205 are arranged to move the movable block 203, the stability of the movable block 203 is increased, the movable block 203 is prevented from being stuck during movement, and the limiting or releasing of the rotating handle 104 is affected.

[0033] When the handle 104 is limited, the spring 202 drives the movable block 203 to move, the sliding block 204 and the sliding groove 205 cooperate with the movable block 203 to move, the movable block 203 drives the limiting rod 207 to move, when the limiting rod 207 is clamped into the limiting hole 4 on the surface of the handle 104, the handle 104 can be limited and protected, the handle 104 is prevented from being misturned in the working process, the valve core 110 is prevented from being rotated, the sealing effect of the valve core 110 is prevented from being poor, and the leakage is prevented, when the handle 104 needs to be rotated, the pusher 206 is pushed, the pusher 206 drives the movable block 203 to move, the sliding block 204 and the sliding groove 205 cooperate with the movable block 203 to move, the movable block 203 drives the limiting rod 207 to move, when the limiting rod 207 moves out of the limiting hole 4, the handle 104 can be limited, the operation is simple, and the user can use conveniently, when the water flow is blocked, the handle 104 is rotated, the handle 104 drives the rotating rod 105 to rotate, the rotating rod 105 drives the driving gear 106 to rotate, the driving gear 106 drives the driven gear 108 to rotate, the driven gear 108 drives the rotating rod 109 to rotate, the rotating rod 109 drives the valve core 110 to rotate, when the valve core 110 is tightly combined with the inner wall of the valve pipe 103, the water flow can be blocked, when the water is discharged, the handle 104 is reversed, and the use is convenient.

[0034] The above merely illustrates the embodiments of the utility model, and does not serve for limiting the utility model. For the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the claim range of the utility model.

Claims

1. A butterfly valve protection device, comprising a butterfly valve body assembly (1), characterized in that: The butterfly valve body assembly (1) includes a valve body (101), a connecting pipe (102) is fixedly connected to the bottom of the valve body (101), a valve pipe (103) is fixedly connected to the bottom of the connecting pipe (102), a handle (104) is rotatably connected to one end of the valve body (101), and a limiting assembly (2) is provided on the top of the valve pipe (103) for use with the handle (104). The limiting assembly (2) includes a movable box (201), the bottom of the movable box (201) is fixedly connected to the top of the valve pipe (103), and a spring (202) is fixedly provided at the bottom of the inner cavity of the movable box (201). One end of the spring (202) is fixedly... A movable block (203) is fixedly connected to one side of the movable block (203), and a lever (206) is fixedly connected to one side of the movable block (203). A groove (208) is opened on the surface of the movable box (201) to cooperate with the lever (206). A slider (204) is fixedly provided on both the left and right sides of the movable block (203). A limit rod (207) is fixedly connected to the top of the slider (204), and one end of the limit rod (207) passes through and extends to the outside of the movable box (201). A limit hole (4) is opened on the surface of the rotating handle (104) to cooperate with the limit rod (207). A sealing assembly (3) is provided on both sides of the surface of the valve pipe (103).

2. The butterfly valve protection device according to claim 1, characterized in that: The sealing assembly (3) includes a metal protective ring (301), which is fixedly sleeved on the surface of the valve tube (103). The inner cavity of the metal protective ring (301) is provided with an annular groove (302), and a rubber sealing ring (303) is embedded in the inner cavity of the annular groove (302). The rubber sealing ring (303) is in close contact with the surface of the valve tube (103). The surface of the metal protective ring (301) is provided with a threaded hole (304).

3. The butterfly valve protection device according to claim 1, characterized in that: A rotating rod (105) is fixedly connected to one side of the rotating handle (104) and inside the valve body (101). A movable sleeve (107) is movably sleeved at one end of the rotating rod (105), and the movable sleeve (107) is fixedly set in the inner cavity of the other end of the valve body (101). A driving gear (106) is fixedly sleeved on the surface of the rotating rod (105). A driven gear (108) is meshed on the surface of the driving gear (106). A rotating rod (109) is fixedly connected to the inner cavity of the driven gear (108). One end of the rotating rod (109) passes through the valve body (101) and the connecting pipe (102) and extends to the inner cavity of the valve tube (103) and is movably connected to the bottom of the inner cavity of the valve tube (103). A valve core (110) is fixedly sleeved on the surface of the rotating rod (109) and inside the valve tube (103).

4. The butterfly valve protection device according to claim 1, characterized in that: The number of limiting holes (4) is multiple, and the multiple limiting holes (4) are equally spaced on the surface of the handle (104).

5. A butterfly valve protection device according to claim 2, characterized in that: The number of threaded holes (304) is twelve, and the twelve threaded holes (304) are arranged at equal intervals on the surface of the metal protective ring (301).

6. A butterfly valve protection device according to claim 1, characterized in that: The inner cavity of the movable box (201) is provided with grooves (205) on both sides for use with the slider (204).

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