Integrated pneumatic flap emptying valve

Abstract

The utility model relates to an integrated pneumatic flap emptying valve applied to the field of material conveying, which comprises a valve body arranged below a barrel wall, the valve body comprises an emptying bin, the outer surface of the emptying bin is fixedly connected with two mounting brackets, the upper ends of the mounting brackets are provided with mounting base plates, and a rotating shaft is pushed to rotate through an air cylinder. In the closing process, axial and radial two-way sealing is formed through an O-shaped sealing ring and a trapezoidal sealing ring, meanwhile, the turning plate cover is self-adjusted through a self-adjusting assembly, and therefore the phenomenon that the turning plate cover is blocked in the moving process is effectively avoided, it is effectively guaranteed that the turning plate cover runs in place, and the working efficiency is improved. Therefore, the stability of connection between the turning plate cover and the wedge-shaped discharging flange is improved, the situation that the sealing performance of the turning plate cover is abraded under long-time washing is effectively avoided, and the situation that materials above the valve overflow is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a discharge valve, in particular to a one-piece pneumatic flap discharge valve applied to the field of material conveying. BACKGROUND

[0002] The discharge valve is mainly used for discharging, sampling and shutting down the dead zone of the bottom of the reactor, the storage tank and other containers, and the flange at the bottom of the valve is welded to the bottom of the reactor and other containers, so that the internal medium can flow cleanly and the residual phenomenon at the outlet can be eliminated.

[0003] The utility model discloses a kind of pneumatic double-layer flap valves, the utility model in use process always have a group of flap mechanism is closed state and upper alternative fuel accumulation, so as to achieve the effect of locking wind, when feeding, high-temperature flue gas in decomposition furnace enters alternative fuel delivery channel, avoid high-temperature flue gas to ignite alternative fuel to form fire to burn conveying equipment, and installation space is small, low in cost, not easy to jam equipment.

[0004] But the above-mentioned patent will appear the following problems in use process: after installing the above-mentioned valve, the material above flap can cause great pressure to flap, so that discharge valve is in high pressure state when using, the material above valve can be washed to flap under the action of pressure, to cause abrasion to the sealing property of discharge valve, cause the material overflow above valve, shorten the service life of discharge valve. UTILITY MODEL CONTENTS

[0005] For the above prior art, the technical problem to be solved by the utility model is that the material above valve can cause washing to flap when using discharge valve, after long time use, can cause abrasion to the sealing property of discharge valve, cause the material overflow above valve, shorten the service life of discharge valve.

[0006] In order to solve the above problems, the utility model provides a kind of integrated pneumatic flap discharge valve, including the valve body being arranged below cylinder wall, valve body includes discharge bin, the outer surface of discharge bin is fixedly connected with two installation supports, the upper end of installation support is equipped with mounting pad, the lower end of cylinder wall is fixedly connected with two positioning frame corresponding with two installation supports, installation support, mounting pad and positioning frame are fixedly connected by multiple bolts, the upper end of discharge bin is excavated with discharge slot, discharge slot is fixedly connected with wedge-shaped discharge flange, O-shaped sealing ring is fixedly connected between wedge-shaped discharge flange and discharge slot, the inner chamber of discharge bin is rotatably connected with shaft, both ends of shaft are rotatably penetrated through discharge bin, the lower end of cylinder wall is rotatably connected with cylinder, the end of cylinder away from cylinder is rotatably connected with adjusting rod, adjusting rod is fixedly connected with shaft, the outer surface of shaft is fixedly provided with connecting rod, the upper end of connecting rod is fixedly connected with fixed pin, the upper end of fixed pin is fixedly connected with flap cover, the lower end of flap cover is fixedly connected with two self-adjusting components, the outer surface of flap cover is fixedly embedded with trapezoidal sealing ring, and flap cover and wedge-shaped discharge flange are completely matched.

[0007] In the above-mentioned integrated pneumatic flap discharge valve, the shaft is driven to rotate by the cylinder, thereby moving the flap cover, thereby closing the wedge-shaped discharge flange. In the closing process, the O-shaped sealing ring and the trapezoidal sealing ring form axial and radial double sealing, and the self-adjusting components are used for self-adjusting the flap cover, thereby effectively avoiding the jam phenomenon of the flap cover during movement, effectively ensuring that the flap cover is in place, thereby improving the stability of the connection between the flap cover and the wedge-shaped discharge flange, and effectively avoiding the wear of the sealing performance of the flap cover under long-time flushing, and effectively reducing the overflow of the material above the valve.

[0008] As a further improvement of the present application, the self-adjusting component includes a top rod located below the flap cover, the upper end of the connecting rod is excavated with a receiving hole, the receiving hole is fixedly connected with a compression spring, the outer surface of the top rod is fixedly provided with a positioning plate, and the end of the connecting rod away from the flap cover is movably penetrated through the compression spring and extends into the receiving hole.

[0009] As a further improvement of the present application, the top rod is fixedly connected with the flap cover by bolts, the receiving hole is T-shaped, and the lower end of the positioning plate is fixedly connected with the upper end of the compression spring.

[0010] As a further improvement of the present application, the connecting rod is L-shaped, and two jacking screws are threadedly connected at the connection between the connecting rod and the shaft.

[0011] As another improvement of the present application, the wedge-shaped discharge flange is not coaxial with the discharge bin, and the height of the discharge bin is greater than the length of the connecting rod.

[0012] As a further improvement of the application, the number of valve bodies is two, the two valve bodies are mirror images, the number of cylinders is one, the adjusting rod is fixedly connected with one of the rotating shafts, the outer surface of the rotating shaft is fixedly sleeved with a gear, and the two gears are meshed.

[0013] To sum up, in actual application, the cylinder can be started to extend and push the adjusting rod to change the angle, thereby driving the rotating shaft to rotate, so that the flap cover rotates around the rotating shaft as the center, thereby closing and opening the wedge-shaped discharge flange, when closing, the O-shaped sealing ring and the trapezoidal sealing ring form axial and radial double sealing, and the flap cover is self-adjusted through the self-adjusting assembly, thereby effectively avoiding the jamming phenomenon of the flap cover during movement, effectively ensuring that the flap cover is in place, thereby improving the stability of the connection between the flap cover and the wedge-shaped discharge flange, and effectively avoiding the sealing of the flap cover from being worn by long-term erosion, and effectively reducing the overflow of the material above the valve. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure sectional view of the discharge bin of the first embodiment of the application.

[0015] Figure 2 It is a structure sectional view of the discharge bin of the first embodiment of the application. Figure 1 It is an enlarged view of A in the above figure.

[0016] Figure 3 It is a structure sectional view of the discharge bin of the first embodiment of the application.

[0017] Figure 4 It is a structure sectional view of the discharge bin of the first embodiment of the application.

[0018] Figure 5 It is a structure sectional view of the discharge bin of the first embodiment of the application.

[0019] Figure 6 It is a structure sectional view of the discharge bin of the first embodiment of the application.

[0020] Explanation of figure marks:

[0021] 1 discharge bin, 2 mounting support, 3 mounting base plate, 4 positioning frame, 5 wedge-shaped discharge flange, 6 O-shaped sealing ring, 7 rotating shaft, 8 cylinder, 9 adjusting rod, 10 connecting rod, 11 fixed pin, 12 flap cover, 13 trapezoidal sealing ring, 14 jacking rod, 15 accommodating hole, 16 positioning plate, 17 gear, 18 compression spring, 19 jacking screw. DETAILED DESCRIPTION

[0022] The two embodiments of the application will be described in detail below with reference to the accompanying drawings.

[0023] First embodiment:

[0024] Figure 1 、 Figure 2 and Figure 3 It is shown that: a one-piece pneumatic flap discharge valve, including a valve body arranged below the cylinder wall, the cylinder wall is a stirring cylinder, the discharge valve is located below the stirring cylinder, the valve body includes a discharge bin 1, the outer surface of the discharge bin 1 is fixedly connected with two mounting brackets 2, the upper end of the mounting bracket 2 is provided with a mounting pad 3, the lower end of the cylinder wall is fixedly connected with two positioning racks 4 corresponding to the two mounting brackets 2 respectively, the mounting bracket 2, the mounting pad 3 and the positioning rack 4 are fixedly connected through a plurality of bolts, which is convenient for workers to disassemble and assemble the valve body, and is convenient for later replacement, maintenance and daily maintenance. By inserting mounting pads 3 of different thicknesses, the longitudinal position of the discharge bin 1 can be adjusted. The upper end of the discharge bin 1 is drilled with a discharge notch, the discharge notch is fixedly connected with a wedge-shaped discharge flange 5, the wedge-shaped flange makes the discharge notch residue-free, and the wedge-shaped discharge flange 5 and the discharge notch are fixedly connected with an O-shaped sealing ring 6. The O-shaped sealing ring 6 can effectively improve the sealing between the wedge-shaped discharge flange 5 and the discharge notch. The outer surface of the shaft 7 is fixedly sleeved with a connecting rod 10, the upper end of the connecting rod 10 is fixedly connected with a fixed pin 11, the connecting rod 10 is L-shaped, and the connecting portion of the connecting rod 10 and the shaft 7 is threadedly connected with two jacking screws 19. The position of the connecting rod 10 on the shaft 7 can be adjusted by the jacking screws 19, thereby effectively improving the equipment installation precision. The upper end of the fixed pin 11 is fixedly connected with a flap cover 12, the lower end of the flap cover 12 is fixedly connected with two self-adjusting assemblies, the outer surface of the flap cover 12 is fixedly embedded with a trapezoidal sealing ring 13, and the flap cover 12 is completely matched with the wedge-shaped discharge flange 5. The trapezoidal sealing ring 13 forms a bidirectional sealing in the axial and radial directions between the flap cover 12 and the wedge-shaped discharge flange 5, thereby effectively improving the sealing effect of the valve. The self-adjusting assembly includes a jack 14 located below the flap cover 12, the upper end of the connecting rod 10 is drilled with a receiving hole 15, the receiving hole 15 is fixedly connected with a compression spring 18, the outer surface of the jack 14 is fixedly sleeved with a positioning plate 16, one end of the connecting rod 10 away from the flap cover 12 is movably penetrated through the compression spring 18 and extends into the receiving hole 15, the jack 14 is fixedly connected with the flap cover 12 through bolts, the receiving hole 15 is T-shaped, and the lower end of the positioning plate 16 is fixedly connected with the upper end of the compression spring 18. When the flap cover 12 contacts the wedge-shaped discharge flange 5, the flap cover 12 moves downward under pressure, thereby causing extrusion of the compression spring 18. The jack 14 and the positioning plate 16 move downward, so that the flap cover 12 can be self-adjusted by four degrees, until the flap cover 12 is completely attached to the wedge-shaped discharge flange 5, thereby effectively avoiding the jamming of the flap cover 12 during movement, effectively ensuring that the flap cover 12 is in place, and thereby effectively improving the sealing of the valve. B in the figure is the cylinder wall.

[0025] Figure 3 、 Figure 4 and Figure 5The inner cavity of the discharging bin 1 is rotationally connected with a rotating shaft 7, the inner side of the two ends of the rotating shaft 7 is provided with an oil seal, the two ends of the rotating shaft 7 rotationally penetrate the discharging bin 1, are convenient for being connected with the adjusting rod 9, the lower end of the cylinder wall is rotationally connected with a gas cylinder 8, and the person skilled in the art can select a suitable model of the gas cylinder 8 according to actual needs, for example, SCD50x100-100-LB, the end, away from the cylinder wall, of the gas cylinder 8 is rotationally connected with the adjusting rod 9, the adjusting rod 9 is fixedly connected with the rotating shaft 7, the extension and contraction of the gas cylinder 8 can drive the adjusting rod 9 to rotate, so that the angle of the rotating shaft 7 and the connecting rod 10 is adjusted, the wedge-shaped discharging flange 5 is not coaxial with the discharging bin 1, and the height of the discharging bin 1 is greater than the length of the connecting rod 10, so that the rotation of the connecting rod 10 is facilitated, and the connecting rod 10 is effectively prevented from being hindered during rotation.

[0026] When the flap cover 12 is adjusted, the gas cylinder 8 can be started to extend, the adjusting rod 9 is pushed to change the angle, the rotating shaft 7 is driven to rotate, the flap cover 12 is rotated with the rotating shaft 7 as the center, the flap cover 12 is closed and opened to the wedge-shaped discharging flange 5, when closed, the O-shaped sealing ring 6 and the trapezoidal sealing ring 13 form axial and radial double sealing, and the flap cover 12 is self-adjusted through the self-adjusting assembly, so that the jamming position of the flap cover 12 during movement is effectively avoided, the flap cover 12 is effectively ensured to be in place, the stability of the connection between the flap cover 12 and the wedge-shaped discharging flange 5 is improved, and the sealing of the flap cover 12 is effectively prevented from being worn by long-time erosion, and the overflow of the material above the valve is effectively reduced.

[0027] The second embodiment is as follows:

[0028] The embodiment adds a valve body and a gear 17 on the basis of the first embodiment, and the remaining parts remain the same as the first embodiment.

[0029] Figure 6 It is shown that the number of valve bodies is two, the two valve bodies are mirror images, the number of gas cylinders 8 is one, the adjusting rod 9 is fixedly connected with one of the rotating shafts 7, the outer surface of the rotating shaft 7 is fixedly provided with a gear 17, and the two gears 17 are engaged.

[0030] When the valve body is connected with the double-cylinder cylinder, the adjusting rod 9 is driven to rotate by the gas cylinder 8, the rotating shaft 7 connected with the adjusting rod 9 rotates, the two gears 17 rotate, the two rotating shafts 7 are simultaneously driven to rotate, the two flap covers 12 are synchronously rotated, one gas cylinder 8 can simultaneously operate the two valve bodies, and the power loss is effectively reduced.

[0031] The above-mentioned embodiments of the present application are combined with the current actual demand, and the protection scope is not limited thereto, various changes made within the knowledge of those skilled in the art without departing from the concept of the present application still fall within the protection scope of the present application.

Claims

1. An integrated pneumatic flap discharge valve comprising a valve body disposed below a cylinder wall, characterized by: The valve body includes a discharge bin (1), the outer surface of the discharge bin (1) is fixedly connected with two mounting brackets (2), the upper end of the mounting bracket (2) is provided with a mounting base plate (3), the lower end of the cylinder wall is fixedly connected with two positioning racks (4) corresponding to the two mounting brackets (2), the mounting bracket (2), the mounting base plate (3) and the positioning rack (4) are fixedly connected by a plurality of bolts; The upper end of the discharge bin (1) is excavated with a discharge notch, the discharge notch is fixedly connected with a wedge-shaped discharge flange (5), the wedge-shaped discharge flange (5) and the discharge notch are fixedly connected with an O-shaped sealing ring (6), the inner cavity of the discharge bin (1) is rotatably connected with a rotating shaft (7), both ends of the rotating shaft (7) rotatably penetrate the discharge bin (1), the lower end of the cylinder wall is rotatably connected with a gas cylinder (8), the end of the gas cylinder (8) away from the cylinder wall is rotatably connected with an adjusting rod (9), the adjusting rod (9) is fixedly connected with the rotating shaft (7), the outer surface of the rotating shaft (7) is fixedly sleeved with a connecting rod (10), the upper end of the connecting rod (10) is fixedly connected with a fixed pin (11), the upper end of the fixed pin (11) is fixedly connected with a flap cover (12), the lower end of the flap cover (12) is fixedly connected with two self-adjusting assemblies, the outer surface of the flap cover (12) is fixedly embedded with a trapezoidal sealing ring (13), and the flap cover (12) is completely matched with the wedge-shaped discharge flange (5).

2. The one-piece, air-operated, flapper discharge valve of claim 1, wherein: The self-adjusting assembly includes a top rod (14) below the flap cover (12), the upper end of the connecting rod (10) is excavated with a containing hole (15), the containing hole (15) is fixedly connected with a compression spring (18) inside, the outer surface of the top rod (14) is fixedly sleeved with a positioning plate (16), the end of the connecting rod (10) away from the flap cover (12) movably penetrates the compression spring (18) and extends into the containing hole (15).

3. An integrated pneumatic flap drain valve according to claim 2, characterized in that: The top rod (14) is fixedly connected with the flap cover (12) by a bolt, the containing hole (15) is T-shaped, and the lower end of the positioning plate (16) is fixedly connected with the upper end of the compression spring (18).

4. The one-piece, air-operated, flapper discharge valve of claim 1 wherein: The connecting rod (10) is L-shaped, and two jacking screws (19) are threadedly connected at the connection between the connecting rod (10) and the rotating shaft (7).

5. The one-piece, air-operated, flapper discharge valve of claim 1 wherein: The wedge-shaped discharge flange (5) is not coaxial with the discharge bin (1), and the height of the discharge bin (1) is greater than the length of the connecting rod (10).

6. The one-piece, air-operated, flapper discharge valve of claim 1, wherein: The number of the valve body is two, the two valve bodies are mirror image distributed, the number of the gas cylinder (8) is one, the adjusting rod (9) is fixedly connected with one of the rotating shafts (7), the outer surface of the rotating shaft (7) is fixedly sleeved with a gear (17), and the two gears (17) are engaged.

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