CN211082962U

CN211082962U - Flap valve for environmental protection system

Info

Publication number: CN211082962U
Application number: CN201922322500.8U
Authority: CN
Inventors: 夏长松
Original assignee: Yangzhou Shengxia Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Yangzhou Shengxia Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-24
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to the technical field of flap valves, and discloses a flap valve for an environmental protection system, which comprises a flap valve seat and a flap valve cover hinged on the flap valve seat, wherein a sealing ring is arranged between the flap valve seat and the flap valve cover, the sealing ring is fixedly connected at the inner side of the flap valve cover, a cross-shaped support frame is fixedly connected in the flap valve seat, and a buffer mechanism is fixedly connected at the center of one end of the support frame close to the flap valve cover; buffer gear includes one end open-ended buffer tube, and fixed connection is on the support frame at the bottom of the outer tube of buffer tube, and buffer gear still includes striking piece, transmission post, piston, trapezoidal piece, dashpot, buffer beam, spring, two buffering rings, two transfer lines and two triangle blocks, and the dashpot is seted up at the bottom of the inner tube of buffer tube along vertical direction, and the buffer beam is along vertical direction fixed connection on the cell wall of dashpot. The utility model discloses reduced the impact that the flap gate closed the in-process and caused the sealing ring, reduced the noise, improved the protection effect to the sealing ring simultaneously.

Description

Flap valve for environmental protection system

Technical Field

The utility model relates to a clap door technical field, especially relate to environmental protection system is with clapping door.

Background

The flap valve is suitable for various pipelines and water outlet pipes of water pumps in various water supply and drainage and sewage treatment projects, and the outflow well and the water channel in the pump station have the functions of overflowing and non-return.

In the present flap valve practical application, the sealing mode that generally adopts is line contact sealing, and when the flap valve fell to the flap valve seat, can produce the noise, and the impact force to the sealing strip is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the flap valve in the prior art can generate noise when falling to the flap valve seat and has a large impact force on the sealing strip, and the flap valve for the environmental protection system is provided.

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

the flap valve for the environmental protection system comprises a flap valve seat and a flap valve cover hinged on the flap valve seat, wherein a sealing ring is arranged between the flap valve seat and the flap valve cover, the sealing ring is fixedly connected to the inner side of the flap valve cover, a cross-shaped support frame is fixedly connected in the flap valve seat, and a buffer mechanism is fixedly connected at the center of one end, close to the flap valve cover, of the support frame;

the buffer mechanism comprises a buffer tube with an opening at one end, the outer tube bottom of the buffer tube is fixedly connected to the support frame, the buffer mechanism further comprises an impact block, a transmission column, a piston, a trapezoidal block, a buffer groove, a buffer rod, a spring, two buffer rings, two transmission rods and two triangular blocks, the buffer groove is vertically arranged at the inner tube bottom of the buffer tube, the buffer rod is vertically and fixedly connected to the groove wall of the buffer groove, the spring is sleeved on the buffer rod, two ends of the spring are respectively connected with the two buffer rings, the two buffer rings are slidably connected to the buffer rod, one end of the transmission rod is fixedly connected to one end of the buffer ring far away from the groove bottom of the buffer groove, the other end of the transmission rod penetrates through the notch of the buffer groove and is connected with the corresponding triangular block, the two triangular blocks are symmetrically arranged relative to the trapezoidal block, and the inclined plane of the trapezoidal block is slidably connected to, one end of the transmission column is fixedly connected with one end, far away from the buffer rod, of the trapezoidal block, the other end of the transmission column penetrates through the pipe orifice of the buffer pipe and is connected with the impact block, one end, far away from the transmission column, of the impact block is arranged on the inner side of the flap door cover, the piston is sleeved on the column wall of the transmission column, and the piston is connected to the inner pipe wall of the buffer pipe in a sliding mode.

Preferably, the pipe wall that the buffer tube is close to the buffer tube bottom one end position is gone up the intercommunication and is had the air duct, the other end of air duct runs through and claps a seat and outwards extends, install the check valve in the air duct, the output of check valve sets up towards the buffer tube.

Preferably, the inclined plane of the trapezoidal block is symmetrically embedded with balls, and the balls are in rolling connection with the inclined plane of the triangular block.

Preferably, one side of the impact block close to the flap cover is provided with an inclined surface.

Preferably, a pressure gauge is arranged on the pipe wall of the air guide pipe outside the flap valve seat.

Preferably, the inner pipe wall of the buffer pipe at the position close to one end of the pipe orifice is symmetrically and fixedly connected with limiting blocks relative to the transmission column.

Compared with the prior art, the utility model provides an environmental protection system is with clapping the door, possesses following beneficial effect:

1. this environmental protection system is with clapping door, through setting up the buffer tube, the striking piece, the drive post, the piston, the trapezoidal piece, the buffer beam, a spring, buffer ring and three hornblocks constitute a buffer gear, the clapping door closure is closed in-process, the clapping door closure is to striking piece application of force, strike and drive piston and trapezoidal piece through the drive post and move to support frame one side after the piece atress, compress the air in the buffer tube during piston motion, consume some pressure, promote two three hornblocks and do the back-to-back motion in the time of the trapezoidal piece motion, through the effect of transfer line, two buffer rings do the back-to-back motion and the spring is stretched on the buffer beam, make the spring atress take place deformation, consume some vibrations power once more, the impact force that causes the sealing ring in-process is closed to the clapping door closure has been reduced, the noise has been reduced, the protective effect to the sealing ring has been.

2. This environmental protection system is with clapping door, through setting up air duct and check valve, when the air reduces in the cushion tube, be linked together air duct and external air pump, supply the air in to the cushion tube through the air duct, make the air in the air duct can only one-way flow through the check valve, avoid the air in the cushion tube to take place to leak through the air duct.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses reduced the impact that causes the sealing ring of flap closure in-process, reduced the noise, improved the protection effect to the sealing ring simultaneously.

Drawings

Fig. 1 is a schematic structural view of a flap valve for an environmental protection system according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a door slapping seat, a door slapping cover 2, a sealing ring 3, a supporting frame 4, a buffering mechanism 5, a buffer tube 51, an impact block 52, a transmission column 53, a piston 54, a trapezoidal block 55, a buffer rod 56, a spring 57, a buffering ring 58, a triangular block 59, an air duct 6, a check valve 7, a ball 8, a pressure gauge 9 and a limiting block 10.

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. 1-2, the flap valve for the environmental protection system comprises a flap valve seat 1 and a flap valve cover 2 hinged on the flap valve seat 1, wherein a sealing ring 3 is arranged between the flap valve seat 1 and the flap valve cover 2, the sealing ring 3 is fixedly connected to the inner side of the flap valve cover 2, a cross-shaped support frame 4 is fixedly connected in the flap valve seat 1, and a buffer mechanism 5 is fixedly connected at the center of one end of the support frame 4 close to the flap valve cover 2;

the buffer mechanism 5 comprises a buffer tube 51 with an opening at one end, the outer tube bottom of the buffer tube 51 is fixedly connected to the support frame 4, the buffer mechanism 5 further comprises an impact block 52, a transmission column 53, a piston 54, a trapezoidal block 55, a buffer groove, a buffer rod 56, a spring 57, two buffer rings 58, two transmission rods and two triangular blocks 59, the buffer groove is arranged at the bottom of the inner tube of the buffer tube 51 along the vertical direction, the buffer rod 56 is fixedly connected to the groove wall of the buffer groove along the vertical direction, the spring 57 is sleeved on the buffer rod 56, two ends of the spring 57 are respectively connected with the two buffer rings 58, the two buffer rings 58 are connected to the buffer rod 56 in a sliding manner, one end of the transmission rod is fixedly connected to one end of the buffer ring 58 far away from the groove bottom of the buffer groove, the other end of the transmission rod penetrates through the groove opening of the buffer groove and is connected with, the inclined plane of the trapezoidal block 55 is slidably connected to the inclined plane of the triangular block 59, one end of the transmission column 53 is fixedly connected to one end of the trapezoidal block 55 far away from the buffer rod 56, the other end of the transmission column 53 passes through the orifice of the buffer tube 51 and is connected with the striking block 52, one end of the striking block 52 far away from the transmission column 53 is arranged on the inner side of the flap valve cover 2, the piston 54 is sleeved on the column wall of the transmission column 53, the piston 54 is slidably connected to the inner tube wall of the buffer tube 51, the flap valve cover 2 applies force to the striking block 52 in the closing process of the flap valve cover 2, the striking block 52 drives the piston 54 and the trapezoidal block 55 to move towards one side of the support frame 4 through the transmission column 53 after being applied with force, the piston 54 compresses air in the buffer tube 51 when moving, consumes a part of pressure, the two triangular blocks 59 move oppositely while the trapezoidal block 55 moves, the two buffer rings 58 move oppositely on the buffer rod 56 under the action of the transmission rod, make spring 57 atress take place to deform, consume some vibrations power once more, reduced the impact that the in-process was closed to the flap door 2 caused sealing ring 3, reduced the noise, improved the protection effect to sealing ring 3 simultaneously.

The intercommunication has air duct 6 on the pipe wall that buffer tube 51 is close to buffer tube 51 socle end position, and the other end of air duct 6 runs through and claps a seat 1 and outwards extends, installs check valve 7 in the air duct 6, and the output of check valve 7 sets up towards buffer tube 51, when buffer tube 51 air reduction, is linked together air duct 6 and external air pump, through air duct 6 to buffer tube 51 in supplementary air, make 6 interior air of air duct can only one-way flow through check valve 7, avoid 6 interior air of buffer tube to take place to leak through air duct 51.

The inclined plane symmetry of trapezoidal piece 55 is inlayed and is had ball 8, and ball 8 roll connection is at the inclined plane of triangle-shaped piece 59, reduces the frictional force when moving between trapezoidal piece 55 and the triangle-shaped piece 59 through ball 8.

The side of the striking block 52 close to the flap cover 2 is provided with a slope, so that the striking block 52 is better stressed.

The pressure gauge 9 is arranged on the pipe wall of the air duct 6 positioned outside the door slapping seat 1, and the air pressure in the air duct 6 and the buffer pipe 51 is displayed through the pressure gauge 9.

The inner pipe wall of the buffer pipe 51 near one end of the pipe orifice is symmetrically and fixedly connected with a limiting block 10 relative to the transmission column 53, so that the piston 54 is prevented from being separated from the buffer pipe 51.

The utility model discloses in, flap door 2 closes the in-process, flap door 2 is to striking piece 52 application of force, strike piece 52 atress back through transmission post 53 drive piston 54 and trapezoidal piece 55 to support frame 4 one side motion, compress the air in the buffer tube 51 when piston 54 moves, consume a part of pressure, trapezoidal piece 55 promotes two triangular blocks 59 and does back-to-back motion when moving, through the effect of transfer line, two cushion rings 58 do back-to-back motion and spring 57 stretches on buffer rod 56, make spring 57 atress take place to deform, consume a part of shaking force once more, reduced the impact force that causes sealing ring 3 in flap door 2 closing the in-process, the noise is reduced, the protection effect to sealing ring 3 has been improved simultaneously; when the air in the buffer tube 51 is reduced, the air duct 6 is communicated with an external air pump, the air is supplemented into the buffer tube 51 through the air duct 6, the air in the air duct 6 can only flow in one direction through the one-way valve 7, and the air in the buffer tube 6 is prevented from leaking through the air duct 51.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The flap valve for the environmental protection system comprises a flap valve seat (1) and a flap valve cover (2) hinged on the flap valve seat (1), wherein a sealing ring (3) is arranged between the flap valve seat (1) and the flap valve cover (2), and the sealing ring (3) is fixedly connected to the inner side of the flap valve cover (2), and is characterized in that a cross-shaped support frame (4) is fixedly connected in the flap valve seat (1), and a buffer mechanism (5) is fixedly connected at the center of one end, close to the flap valve cover (2), of the support frame (4);

the buffer mechanism (5) comprises a buffer tube (51) with an opening at one end, the outer tube bottom of the buffer tube (51) is fixedly connected to the support frame (4), the buffer mechanism (5) further comprises an impact block (52), a transmission column (53), a piston (54), a trapezoidal block (55), a buffer groove, a buffer rod (56), a spring (57), two buffer rings (58), two transmission rods and two triangular blocks (59), the buffer groove is arranged at the bottom of the inner tube of the buffer tube (51) along the vertical direction, the buffer rod (56) is fixedly connected to the groove wall of the buffer groove along the vertical direction, the spring (57) is sleeved on the buffer rod (56), two ends of the spring (57) are respectively connected with the two buffer rings (58), the two buffer rings (58) are slidably connected to the buffer rod (56), one end of the transmission rod is fixedly connected to one end, far away from the bottom of the buffer groove, of the buffer ring (58), the other end of the transmission rod penetrates through a notch of the buffer groove and is connected with a corresponding triangular block (59), the two triangular blocks (59) are symmetrically arranged relative to the trapezoidal block (55), the inclined surface of the trapezoidal block (55) is connected to the inclined surface of the triangular block (59) in a sliding mode, one end of the transmission column (53) is fixedly connected to one end, far away from the buffer rod (56), of the trapezoidal block (55) and is connected with the other end of the transmission column (53), the other end of the transmission column (53) penetrates through a pipe opening of the buffer pipe (51) and is connected with the impact block (52), one end, far away from the transmission column (53), of the impact block (52) is arranged on the inner side of the flap valve cover (2), the piston (54) is sleeved on the column wall of the transmission column (53), and the piston (54) is connected to the inner pipe wall of.

2. Flap valve for environmental protection system according to claim 1, characterized in that the tube wall of the buffer tube (51) near the bottom end of the buffer tube (51) is connected with an air duct (6), the other end of the air duct (6) passes through the flap valve seat (1) and extends outwards, a one-way valve (7) is installed in the air duct (6), and the output end of the one-way valve (7) is arranged towards the buffer tube (51).

3. Flap valve for environmental protection system according to claim 1, characterized in that the inclined plane of the trapezoidal block (55) is symmetrically embedded with balls (8), and the balls (8) are roll-connected to the inclined plane of the triangular block (59).

4. Flap valve for an eco-friendly system according to claim 1, characterized in that the side of the impact block (52) close to the flap valve cover (2) is provided as a ramp.

5. Flap valve for environmental protection system according to claim 2, characterized in that a pressure gauge (9) is installed on the tube wall of the air duct (6) outside the flap valve seat (1).

6. Flap valve for an eco-friendly system according to claim 1, characterized in that the inner wall of the buffer tube (51) near the end of the orifice is fixedly connected with a stopper (10) symmetrically with respect to the transmission post (53).