CN210566368U

CN210566368U - Butterfly valve with sundry cutting function

Info

Publication number: CN210566368U
Application number: CN201920916276.2U
Authority: CN
Inventors: 钱俊
Original assignee: Jiangsu Ourkam Automation Equipment Technology Co ltd
Current assignee: Jiangsu Ourkam Automation Equipment Technology Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-05-19
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a butterfly valve with sundries cutting function, including front cover and back cover, front cover and back cover are through a plurality of bolt threaded connection, rotate through the valve shaft between front cover and the back cover and be connected with the valve block, the valve shaft rotates with the inner wall first bearing of front cover to be connected, the valve shaft rotates through the second bearing with the inner wall of back cover to be connected, be equipped with corresponding opening on front cover, back cover and the valve block, be equipped with the curved surface mounting panel that corresponds with the opening on the inner wall of front cover, curved surface mounting panel passes through a plurality of hexagon socket head cap screws and self-locking nut threaded connection with the inner wall of front cover and back cover; the rear cover is kept away from front shroud one side and is equipped with the cylinder mounting panel, and the cylinder mounting panel passes through first quick-operation joint threaded connection with the rear cover, and the bottom of cylinder mounting panel is fixed to be inserted and is equipped with the blow off pipe that is linked together with the opening. The utility model discloses in through the setting of cutter formula valve block, can be at the in-process of dashing just, cut up the filth to effectively prevent that the filth from plugging up sewage pipes, arouse the problem that the butterfly valve can't close.

Description

Butterfly valve with sundry cutting function

Technical Field

The utility model relates to a butterfly valve technical field especially relates to the butterfly valve of debris function is cut off in area.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

However, the butterfly valve used on the toilet waste collector of the railway locomotive is often jammed in the valve when the valve is closed by foreign matters in the using process, so that the butterfly valve cannot be closed and cannot be instructed next step, and finally the system alarms.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the butterfly valve that uses among the prior art on the railway locomotive bathroom excrement collector, often the foreign matter blocks into the valve when the valve is closed inside in the use, leads to the butterfly valve can't close and can't carry out the problem of instruction on next step, and the butterfly valve of debris function is cut off in the area that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the butterfly valve with the sundries cutting function comprises a front cover and a rear cover, wherein the front cover and the rear cover are in threaded connection through a plurality of bolts, a valve plate is rotationally connected between the front cover and the rear cover through a valve shaft, the valve shaft is rotationally connected with a first bearing on the inner wall of the front cover, the valve shaft is rotationally connected with the inner wall of the rear cover through a second bearing, corresponding through holes are formed in the front cover, the rear cover and the valve plate, a curved surface mounting plate corresponding to the through holes is arranged on the inner wall of the front cover, and the curved surface mounting plate is in threaded connection with the inner walls of the front cover and the rear cover through a plurality of hexagon socket head;

a cylinder mounting plate is arranged on one side, away from the front cover, of the rear cover, the cylinder mounting plate is in threaded connection with the rear cover through a first quick connector, a blow-off pipe communicated with the through hole is fixedly inserted at the bottom of the cylinder mounting plate, one side, away from the rear cover, of the cylinder mounting plate is rotatably connected with a cylinder through a rotating shaft, and a plurality of second quick connectors are in threaded connection with the cylinder;

the output end threaded connection of cylinder has U type pole, and the one end that the cylinder was kept away from to U type pole is rotated through the pivot and is connected with towards the just valve rod, and the valve shaft passes through the bearing with towards the inner wall of just valve rod and rotates and be connected, and the one end fixed cover that the valve shaft is close to the cylinder mounting panel has connect the pole stop collar, and the pole stop collar contacts with the outer wall of towards the just valve rod, and the pole stop collar passes through screw and nut threaded connection with the outer wall of cylinder mounting.

Preferably, the outer wall of the valve plate is sleeved with a first O-shaped ring, and the first O-shaped ring is fixedly connected with the inner wall of the front cover.

Preferably, the inner wall of the end, close to the front cover, of the port is fixedly connected with a first sealing ring, and the inner wall of the end, close to the rear cover, of the port is fixedly connected with a second sealing ring.

Preferably, the two ends of the rotating shaft are fixedly sleeved with rotating shaft retainer rings.

Preferably, one end of the valve shaft, which is positioned in the flushing valve rod, is rotatably sleeved with a valve shaft retainer ring.

Preferably, one end of the screw, which is close to the nut, is slidably sleeved with the second flat washer, and one end of the screw, which is far away from the second flat washer, is slidably sleeved with the third flat washer.

Preferably, the first flat washer is sleeved on the inner hexagonal screw in a sliding manner.

Preferably, one end of the sewage draining pipe positioned in the through hole is fixedly sleeved with a second O-shaped ring.

Preferably, one end of the air cylinder close to the U-shaped rod is sleeved with a sealing gasket in a sliding mode.

Has the advantages that:

when the toilet flushing valve rod is rotated to flush toilet, the valve block can be driven through the valve shaft to cut sundries, so that the sewage is effectively prevented from blocking a sewage discharge pipe, meanwhile, the arrangement of the cylinder is convenient to strengthen the gas impact force of sewage discharge, meanwhile, the arrangement of the first quick joint is convenient to disassemble the front cover and the rear cover, and meanwhile, the arrangement of the second quick joint can be convenient to disassemble the cylinder;

2. simultaneously the setting of first O type circle can strengthen the sealing performance between front shroud and the back shroud, and the setting of second O type circle, first sealing washer and second sealing washer can strengthen the leakproofness between blow off pipe and the opening simultaneously, and the setting of first flat packing ring can effectively prevent not hard up of hexagon socket head cap screw simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a butterfly valve with a function of cutting sundries, which is provided by the utility model.

In the figure: 10-a cylinder mounting plate; 15-a nut; 20-a second flat gasket; 25-a second O-ring; 30-socket head cap screw; 35-a first flat gasket; 40-self-locking nut; 50-bolt; 55-a second bearing; 60-a second seal ring; 65-rear cover; 70-a first O-ring; 75-a first quick coupling; 80-valve plate; 85-valve shaft retainer ring; 90-a valve shaft; 95-a bearing; 100-flush valve stem; 105-a stem stop; 110-a screw; 115-a third flat gasket; 125-a first bearing; 130-curved mounting plate; 135-a first sealing ring; 140-a front cover; 145-rotating shaft; 151-rotating shaft retainer ring; 152-a rotating shaft; 153-U-shaped rod; 154-a sealing gasket; 155-cylinder; 160-a second quick coupling; 165-a sewage drain.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, the butterfly valve with sundries cutting function comprises a front cover 140 and a rear cover 65, wherein the front cover 140 and the rear cover 65 are in threaded connection through a plurality of bolts 50, the front cover 140 and the rear cover 65 are convenient to detach, a valve plate 80 is rotatably connected between the front cover 140 and the rear cover 65 through a valve shaft 90 and used for controlling discharge of sewage and cutting of dirt, the valve shaft 90 is rotatably connected with a first bearing 125 on the inner wall of the front cover 140, the valve shaft 90 is rotatably connected with the inner wall of the rear cover 65 through a second bearing 55, corresponding through holes are formed in the front cover 140, the rear cover 65 and the valve plate 80 and used for passing through sewage, a curved surface mounting plate 130 corresponding to the through holes is arranged on the inner wall of the front cover 140 and used for supporting the valve plate 80, the curved surface mounting plate 130 is in threaded connection with the inner walls of the front cover 140 and the rear cover 65 through a plurality of;

in the embodiment, one side of the rear cover 65, which is far away from the front cover 140, is provided with a cylinder mounting plate 10 for supporting the cylinder 155, the cylinder mounting plate 10 is in threaded connection with the rear cover 65 through a first quick coupling 75, so that the cylinder mounting plate 10 is convenient to disassemble, a drain pipe 165 communicated with a through hole is fixedly inserted at the bottom of the cylinder mounting plate 10 for draining sewage, one side of the cylinder mounting plate 10, which is far away from the rear cover 65, is rotatably connected with the cylinder 155 through a rotating shaft 145 for pressurizing the drainage of sewage, and the cylinder 155 is in threaded connection with a plurality of second quick couplings 160 for conveniently connecting the cylinder 155;

in this embodiment, the output end of the cylinder 155 is connected with the U-shaped rod 153 through a screw thread for connecting the defecation flushing valve rod 100, one end of the U-shaped rod 153, which is far away from the cylinder 155, is rotatably connected with the defecation flushing valve rod 100 through the rotating shaft 152 for controlling the opening and closing of the cylinder 155, the valve shaft 90 is rotatably connected with the inner wall of the defecation flushing valve rod 100 through the bearing 95, one end of the valve shaft 90, which is close to the cylinder mounting plate 10, is fixedly sleeved with the rod stop sleeve 105 for limiting the rotating angle of the valve shaft 90, the rod stop sleeve 105 is in contact with the outer wall of the defecation flushing valve rod 100, the rod stop sleeve 105 is in threaded connection with the outer wall of the cylinder mounting.

In this embodiment, the outer wall of the valve plate 80 is sleeved with a first O-ring 70 to enhance the sealing performance of the valve plate 80, the first O-ring 70 is fixedly connected with the inner wall of the front cover 140, the inner wall of the end of the port close to the front cover 140 is fixedly connected with a first sealing ring 135 for enhancing the sealing performance of the port, the inner wall of the end of the port close to the rear cover 65 is fixedly connected with a second sealing ring 60 for enhancing the sealing performance of the port, and both ends of the rotating shaft 152 are fixedly sleeved with rotating shaft retaining rings 151 to enhance the sealing performance of the rotating shaft 152;

in this embodiment, the valve shaft retainer 85 is rotationally sleeved at one end of the valve shaft 90 located in the excrement flushing valve rod 100, the sealing effect at the position of the valve shaft 90 is enhanced, the second flat gasket 20 is slidably sleeved at one end, close to the nut, of the screw 110, the screw 110 is prevented from loosening, the third flat gasket 115 is slidably sleeved at one end, far away from the second flat gasket 20, of the screw 110, the screw 110 is prevented from loosening, the first flat gasket 35 is slidably sleeved on the socket head cap screw 30, the loosening of the socket head cap screw 30 is prevented, the second O-ring 25 is fixedly sleeved at one end, located in the through hole, of the sewage discharge pipe 165, the sealing performance at the position of the sewage discharge pipe 165 is enhanced, the sealing washer 154 is slidably sleeved at one end, close to the.

In this embodiment, when the toilet flushing valve rod 100 is rotated to flush the toilet, the valve plate 80 is driven by the valve shaft 90, the sundries are cut up, so that the sewage is effectively prevented from blocking the sewage discharge pipe 165, meanwhile, the arrangement of the air cylinder 155 is convenient to enhance the gas impact force of sewage discharge, meanwhile, the arrangement of the first quick coupling 75 facilitates the disassembly of the front cover 140 and the rear cover 65, meanwhile, the second quick coupling 160 is arranged to facilitate the disassembly of the cylinder 155, and the self-locking nut 40 and the socket head cap screw 30 are arranged to facilitate the disassembly of the curved surface mounting plate 130, meanwhile, the arrangement of the first O-ring 70 can enhance the sealing performance between the front cover 140 and the rear cover 65, meanwhile, the arrangement of the second O-shaped ring 25, the first sealing ring 135 and the second sealing ring 60 can enhance the sealing performance between the drain pipe 165 and the through opening, meanwhile, the first flat washer 35 is arranged, so that the inner hexagon screw 30 can be effectively prevented from loosening.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The butterfly valve with the sundries cutting function comprises a front cover (140) and a rear cover (65), and is characterized in that the front cover (140) and the rear cover (65) are in threaded connection through a plurality of bolts (50), a valve plate (80) is rotatably connected between the front cover (140) and the rear cover (65) through a valve shaft (90), the valve shaft (90) is rotatably connected with a first bearing (125) on the inner wall of the front cover (140), the valve shaft (90) is rotatably connected with the inner wall of the rear cover (65) through a second bearing (55), corresponding through holes are formed in the front cover (140), the rear cover (65) and the valve plate (80), a curved surface mounting plate (130) corresponding to the through holes is arranged on the inner wall of the front cover (140), and the curved surface mounting plate (130) is in threaded connection with the inner walls of the front cover (140) and the rear cover (65) through a plurality of inner hexagon screws (30) and a self-locking;

an air cylinder mounting plate (10) is arranged on one side, away from the front cover (140), of the rear cover (65), the air cylinder mounting plate (10) is in threaded connection with the rear cover (65) through a first quick connector (75), a drain pipe (165) communicated with the through hole is fixedly inserted in the bottom of the air cylinder mounting plate (10), an air cylinder (155) is rotatably connected to one side, away from the rear cover (65), of the air cylinder mounting plate (10) through a rotating shaft (145), and a plurality of second quick connectors (160) are in threaded connection with the air cylinder (155);

the output end of the air cylinder (155) is in threaded connection with a U-shaped rod (153), one end, far away from the air cylinder (155), of the U-shaped rod (153) is rotatably connected with a flushing valve rod (100) through a rotating shaft (152), a valve shaft (90) is rotatably connected with the inner wall of the flushing valve rod (100) through a bearing (95), one end, close to the air cylinder mounting plate (10), of the valve shaft (90) is fixedly sleeved with a rod stopping sleeve (105), the rod stopping sleeve (105) is in contact with the outer wall of the flushing valve rod (100), and the rod stopping sleeve (105) is in threaded connection with the outer wall of the air cylinder mounting plate (10) through a screw (110) and a nut.

2. The butterfly valve with the sundry cutting function according to claim 1, wherein a first O-shaped ring (70) is sleeved on the outer wall of the valve plate (80), and the first O-shaped ring (70) is fixedly connected with the inner wall of the front cover (140).

3. The butterfly valve with debris blocking function according to claim 1, wherein a first sealing ring (135) is fixedly connected to an inner wall of the port near an end of the front cover (140), and a second sealing ring (60) is fixedly connected to an inner wall of the port near an end of the rear cover (65).

4. The butterfly valve with the function of cutting impurities as claimed in claim 1, wherein the shaft retainer rings (151) are fixedly sleeved at both ends of the shaft (152).

5. The butterfly valve with the debris cutting function according to claim 1, wherein one end of the valve shaft (90) positioned in the flushing valve rod (100) is rotatably sleeved with a valve shaft retainer ring (85).

6. The butterfly valve with the debris cutting function according to claim 1, wherein a second flat washer (20) is slidably sleeved on one end of the screw (110) close to the nut, and a third flat washer (115) is slidably sleeved on one end of the screw (110) far away from the second flat washer (20).

7. The butterfly valve with the debris cutting function according to claim 1, wherein the first flat washer (35) is slidably sleeved on the socket head cap screw (30).

8. The butterfly valve with the debris cutting function according to claim 1, wherein a second O-ring (25) is fixedly sleeved on an end of the drain pipe (165) positioned in the through hole.

9. The butterfly valve with the debris cutting function according to claim 1, wherein a sealing washer (154) is slidably sleeved on one end of the air cylinder (155) close to the U-shaped rod (153).