Self-locking mechanism of one-way explosion-proof valve

Abstract

The self-locking mechanism comprises a valve body, a self-locking mechanism body is arranged on the side face of the valve body, an air inlet pipe is fixedly connected to the side face of the valve body, an air outlet pipe is fixedly connected to the side face of the valve body, a cover plate is arranged at the upper end of the valve body, and a disassembling mechanism is arranged in the valve body. The self-locking mechanism comprises a rotating column, a disc is fixedly connected to the side face of the rotating column, a balancing weight is fixedly connected to the surface of the disc, and an iron column is fixedly connected to the surface of the disc. By means of the structure, when the baffle needs to be cleaned and replaced, the cover plate arranged at the upper end of the valve body is opened firstly, then the buttons on the two sides of the clamping plate are pressed, meanwhile, the movable plates fixedly connected with the side faces of the buttons are driven to move inwards, the movable plates are made to be far away from the interior of the notch, and then the baffle is pulled out for cleaning and replacing; dust generated by explosion is prevented from entering the pipeline, and the practicability of the device is further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion isolation valve, especially relates to a one-way explosion isolation valve self locking mechanism. BACKGROUND

[0002] Explosion isolation flap valve is a kind of passive one-way explosion isolation valve for being used on the pipeline containing combustible dust, allowing one-way through of dust and gas in pipeline, preventing explosion reverse propagation, when dust explosion occurs, shock wave is in front of flame, explosion isolation valve is rapidly closed by shock wave generated by explosion.

[0003] According to prior art contrast, the installation and maintenance of explosion isolation valve self locking mechanism need precise adjustment and regular inspection, after the explosion of device once, workers need to disassemble explosion isolation valve, then clean the inside of explosion isolation valve, at the same time, it is difficult to clean baffle, and cleaning consumes a lot of time, cost is higher, so that when device is used again, the substance produced by explosion enters into pipeline. SUMMARY

[0004] The utility model discloses a one-way explosion isolation valve self locking mechanism can be quickly cleaned and replaced, prevent the dust produced by explosion from entering into pipeline.

[0005] To achieve the above object, provide a one-way explosion isolation valve self locking mechanism, including the valve body, the side of valve body is provided with self locking mechanism, the side of valve body is fixedly connected with inlet pipe, the side of valve body is fixedly connected with outlet pipe, the upper end of valve body is provided with cover plate, the inside of valve body is provided with dismounting mechanism;

[0006] The self locking mechanism includes rotating column, the side of rotating column is fixedly connected with disc, the surface of disc is fixedly connected with counterweight, the surface of disc is fixedly connected with iron column, the side of valve body is fixedly connected with hollow block, the inside of hollow block is provided with torsion spring rod, the surface of torsion spring rod is fixedly connected with door plate, the side of hollow block is fixedly connected with limit board.

[0007] According to the one-way explosion isolation valve self locking mechanism, the dismounting mechanism includes long plate, the inside of long plate is provided with slot, the inside of long plate is provided with clamping plate, the side of clamping plate is fixedly connected with baffle, the inside of clamping plate is provided with sliding slot, the inside of sliding slot is fixedly connected with telescopic rod, the side of telescopic rod is fixedly connected with spring, the side of telescopic rod is fixedly connected with moving plate, the side of moving plate is fixedly connected with button.

[0008] According to the one-way explosion-proof valve self-locking mechanism, the position of the rotating column is arranged in the interior of the valve body, the side surface of the rotating column is rotationally connected with the interior of the valve body, the rotating column is limited by the valve body when rotating, so that the rotating column is more stably rotated.

[0009] According to the one-way explosion-proof valve self-locking mechanism, the position of the iron column is arranged at the upper end of the hollow block, the iron column is clamped with the interior of the hollow block, so that the device is better fixed.

[0010] According to the one-way explosion-proof valve self-locking mechanism, the position of the moving plate is arranged in the interior of the sliding slot, the moving plate is slidingly connected with the interior of the sliding slot, the moving plate is limited by the sliding slot when moving, so that the moving plate is more stably moved left and right.

[0011] According to the one-way explosion-proof valve self-locking mechanism, the position of the moving plate is arranged at the side surface of the slot, the moving plate is clamped with the interior of the slot, so that the device is better fixed.

[0012] According to the one-way explosion-proof valve self-locking mechanism, the position of the button is arranged in the interior of the clamping plate, the button is slidingly connected with the interior of the clamping plate, so that the device is more stably operated.

[0013] According to the one-way explosion-proof valve self-locking mechanism, the position of the long plate is arranged on the surface of the rotating column, the long plate is fixedly connected with the surface of the rotating column, so that the long plate is rotated with the rotating column when the rotating column rotates.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1, compared with prior art, when the device explodes, the impact force of explosion is used to make the baffle quickly close, the rotating column is rotated, the disc fixedly connected with the side surface of the rotating column is rotated, the iron column is rotated, the iron column hits the door plate to quickly open, the iron column is arranged in the interior of the hollow block, the torsion spring rod is arranged to quickly reset the door plate, the device is fixed, the pipeline is prevented from being damaged, when the device needs to open the baffle, the door plate is pressed, the counterweight is arranged to restore the baffle, the self-locking of the device is quickly realized, and the backflow of dust caused by explosion is prevented.

[0016] 2、compared with prior art, when the baffle needs to be cleaned and replaced, first open the cover plate arranged on the upper end of the valve body, then press the buttons on both sides of the clamping plate, simultaneously drive the moving plate fixedly connected on the side of the button to move inward, so that the moving plate is away from the inside of the slot, then the baffle is pulled out, so as to be cleaned and replaced, preventing dust generated by explosion from entering the pipeline, further enhancing the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and embodiments;

[0018] Figure 1 It is three-dimensional integral structure schematic diagram of one-way explosion-proof valve self-locking mechanism of the utility model;

[0019] Figure 2 It is three-dimensional side sectional structure schematic diagram of one-way explosion-proof valve self-locking mechanism of the utility model;

[0020] Figure 3 It is clamping plate and structure schematic diagram of one-way explosion-proof valve self-locking mechanism of the utility model;

[0021] Figure 4 It is one-way explosion-proof valve self-locking mechanism of the utility model; Figure 3 It is enlarged schematic diagram of structure in A place.

[0022] Legend:

[0023] 1、valve body;2、self-locking mechanism;3、air inlet pipe;4、air outlet pipe;5、cover plate;6、disassembly mechanism;21、rotary column;22、disc;23、counterweight;24、iron column;25、hollow block;26、torsion spring rod;27、door plate;28、limiting plate;61、long plate;62、clamping plate;63、baffle;64、sliding slot;65、extension rod;66、spring;67、moving plate;68、button;69、slot. DETAILED DESCRIPTION

[0024] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are 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 overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0025] Referring to Figures 1-4 , the utility model embodiment one-way explosion-proof valve self-locking mechanism, it includes valve body 1, the side of valve body 1 is provided with self-locking mechanism 2, the side of valve body 1 is fixedly connected with air inlet pipe 3, the side of valve body 1 is fixedly connected with air outlet pipe 4, the upper end of valve body 1 is provided with cover plate 5, the inside of valve body 1 is provided with disassembly mechanism 6;

[0026] The self-locking mechanism 2 comprises a rotating column 21, which is arranged in the interior of the valve body 1 and is rotatably connected to the interior of the valve body 1. The rotatable column 21 is limited by the valve body 1 when rotating, thereby making the rotating column 21 rotate more stably. The side surface of the rotating column 21 is fixedly connected with a disc 22. The surface of the disc 22 is fixedly connected with a counterweight 23. The surface of the disc 22 is fixedly connected with an iron column 24, which is arranged at the upper end of a hollow block 25 and is connected to the interior of the hollow block 25. The iron column 24 and the hollow block 25 are better fixed through the connection. The side surface of the valve body 1 is fixedly connected with the hollow block 25. The interior of the hollow block 25 is provided with a torsion spring rod 26. The surface of the torsion spring rod 26 is fixedly connected with a door plate 27. The side surface of the hollow block 25 is fixedly connected with a limiting plate 28.

[0027] The dismounting mechanism 6 comprises a long plate 61, which is arranged on the surface of the rotating column 21 and is fixedly connected to the surface of the rotating column 21. The long plate 61 is driven to rotate simultaneously with the rotating column 21 when the rotating column 21 rotates. The interior of the long plate 61 is provided with a notch 69. The interior of the long plate 61 is provided with a clamping plate 62. The side surface of the clamping plate 62 is fixedly connected with a baffle 63. The interior of the clamping plate 62 is provided with a sliding notch 64. The interior of the sliding notch 64 is fixedly connected with a telescopic rod 65. The side surface of the telescopic rod 65 is fixedly connected with a spring 66. The side surface of the telescopic rod 65 is fixedly connected with a moving plate 67, which is arranged on the side of the notch 69 and is connected to the interior of the notch 69. The moving plate 67 is better fixed through the connection. The moving plate 67 is arranged in the interior of the sliding notch 64 and is slidingly connected to the interior of the sliding notch 64. The moving plate 67 moves through the limiting of the sliding notch 64, thereby making the moving plate 67 move more stably. The side surface of the moving plate 67 is fixedly connected with a button 68, which is arranged in the interior of the clamping plate 62 and is slidingly connected to the interior of the clamping plate 62. The device operates more stably through the sliding connection.

[0028] Working principle: when the device explodes, through the impact of explosion, so that the baffle 63 quickly closes, at the same time drive rotating column 21 rotation, at the same time rotating column 21 Side fixedly connected with disc 22 follow rotation, at the same time drive disc 22 Surface fixedly connected with iron column 24 follow rotation, so that the iron column 24 impact door plate 27 quickly open, so that the iron column 24 into the hollow block 25 inside, then through the setting of torsion spring rod 26, so that the door plate 27 quickly reset, so that the device is fixed, prevent pipeline damage, when the device needs to baffle 63 needs to open, only need to press door plate 27, then through the counterweight block 23 The setting makes the baffle 63 restore, so as to realize the self-locking of the device, prevent the dust backflow produced by explosion, when the baffle 63 needs to be cleaned and replaced, first open the cover 5 on the upper end of valve body 1, then press the button 68 on both sides of the clamping plate 62, at the same time drive the moving plate 67 fixedly connected with the button 68 on the side to move inward, so that the moving plate 67 away from the inside of the slot 69, then take out the baffle 63, so as to clean and replace, prevent the dust produced by explosion into the pipeline, further enhance the practicability of the device.

[0029] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by those skilled in the art in the technical field without departing from the purpose of the present application.

Claims

1. A one-way flameproof valve self-locking mechanism, characterized in that, The utility model relates to a valve body (1), the side of valve body (1) is equipped with self locking mechanism (2), the side of valve body (1) is fixedly connected with air inlet pipe (3), the side of valve body (1) is fixedly connected with air outlet pipe (4), the upper end of valve body (1) is equipped with cover plate (5), the inside of valve body (1) is equipped with dismounting mechanism (6), The self locking mechanism (2) includes a rotating column (21), the side of rotating column (21) is fixedly connected with a disc (22), the surface of disc (22) is fixedly connected with a counterweight (23), the surface of disc (22) is fixedly connected with an iron column (24), the side of valve body (1) is fixedly connected with a hollow block (25), the inside of hollow block (25) is provided with a torsion spring rod (26), the surface of torsion spring rod (26) is fixedly connected with a door plate (27), the side of hollow block (25) is fixedly connected with a limiting plate (28).

2. A one-way flameproof valve self-locking mechanism according to claim 1, characterized in that, The dismounting mechanism (6) includes a long plate (61), the inside of long plate (61) is provided with a notch (69), the inside of long plate (61) is provided with a clamping plate (62), the side of clamping plate (62) is fixedly connected with a baffle (63), the inside of clamping plate (62) is provided with a sliding slot (64), the inside of sliding slot (64) is fixedly connected with a telescopic rod (65), the side of telescopic rod (65) is fixedly connected with a spring (66), the side of telescopic rod (65) is fixedly connected with a moving plate (67), the side of moving plate (67) is fixedly connected with a button (68).

3. A one-way flameproof valve self-locking mechanism according to claim 1, characterized in that, The position of the rotating column (21) is arranged in the inside of the valve body (1), and the side of the rotating column (21) is rotatably connected with the inside of the valve body (1).

4. The one-way flameproof valve self-locking mechanism according to claim 1, wherein, The position of the iron column (24) is arranged at the upper end of the hollow block (25), and the iron column (24) is clamped with the inside of the hollow block (25).

5. A one-way flameproof valve self-locking mechanism according to claim 2, characterized in that, The position of the moving plate (67) is arranged in the inside of the sliding slot (64), and the moving plate (67) is slidably connected with the inside of the sliding slot (64).

6. A one-way flameproof valve self-locking mechanism according to claim 2, characterized in that, The position of the moving plate (67) is arranged at the side of the notch (69), and the moving plate (67) is clamped with the inside of the notch (69).

7. A one-way flameproof valve self-locking mechanism according to claim 2, characterized in that, The position of the button (68) is arranged in the inside of the clamping plate (62), and the button (68) is slidably connected with the inside of the clamping plate (62).

8. A one-way flameproof valve self-locking mechanism according to claim 2, characterized in that, The position of the long plate (61) is arranged on the surface of the rotating column (21), and the long plate (61) is fixedly connected with the surface of the rotating column (21).

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