CN213298929U - Shockproof silencing check valve - Google Patents

Shockproof silencing check valve Download PDF

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Publication number
CN213298929U
CN213298929U CN202022028902.XU CN202022028902U CN213298929U CN 213298929 U CN213298929 U CN 213298929U CN 202022028902 U CN202022028902 U CN 202022028902U CN 213298929 U CN213298929 U CN 213298929U
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CN
China
Prior art keywords
check valve
fixed cylinder
valve body
block
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022028902.XU
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Chinese (zh)
Inventor
方丹华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Huifeng Valve Co ltd
Original Assignee
Zhejiang Huifeng Valve Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Huifeng Valve Co ltd filed Critical Zhejiang Huifeng Valve Co ltd
Priority to CN202022028902.XU priority Critical patent/CN213298929U/en
Application granted granted Critical
Publication of CN213298929U publication Critical patent/CN213298929U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a shockproof silencing check valve, which comprises a valve body; the two connecting flanges are respectively fixed at two ends of the valve body, and one side of each connecting flange is symmetrically and fixedly connected with a positioning device; the plugging component is fixedly arranged at the top of the inner wall of the valve body and comprises a fixed cylinder, the fixed cylinder is fixed at the top of the inner wall of the valve body, a piston rod is arranged in the fixed cylinder, a sealing block is fixedly connected to the bottom end of the piston rod, a first magnet is fixedly arranged at the top of the inner wall of the fixed cylinder, and a second magnet is fixedly connected to the top end of the piston rod; this amortization formula check valve takes precautions against earthquakes through set up first magnet and the fixed second magnet in piston rod top at fixed section of thick bamboo inner wall top, through the repulsion between the magnet, makes sealed piece and sealing opening hug closely, improves the leakproofness, and long service life.

Description

Shockproof silencing check valve
Technical Field
The utility model particularly relates to a amortization formula check valve takes precautions against earthquakes.
Background
The silent check valve is a valve that automatically opens and closes a valve flap depending on the flow of a medium to prevent the medium from flowing backward, and is also called a check valve, a reverse flow valve, and a back pressure valve.
Check valve principle part rivers get into upwards to promote the bottom valve through pressure, flow through play water portion, when not having rivers, the bottom valve is sealed to it through self gravity, but can't closely laminate with the sealing through self gravity, can cause the condition of some water backleak, and the part is through setting up the spring to its locking, nevertheless the long-time compression spring after rivers get into, long-time the use, elastic deformation appears in the easy messenger spring, and cause the spring to corrode with the water contact easily for a long time, and when check valve both ends and pipe connection, through flange cooperation screw fixation, but need pipeline and check valve to keep the level during installation, when the pipeline is unsettled installation, just need hold the check valve with the pipeline level, install, it is troublesome to operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a amortization formula check valve takes precautions against earthquakes, improve the purpose of the leakproofness of check valve bottom valve.
In order to solve the technical problem, the utility model provides a shockproof silencing check valve, which comprises a valve body;
the two connecting flanges are respectively fixed at two ends of the valve body, and one side of each connecting flange is symmetrically and fixedly connected with a positioning device;
the sealing device comprises a sealing assembly, wherein the sealing assembly is fixedly installed at the top of the inner wall of the valve body and comprises a fixed cylinder, the fixed cylinder is fixed at the top of the inner wall of the valve body, a piston rod is arranged inside the fixed cylinder, a sealing block is fixedly connected to the bottom end of the piston rod, a first magnet is fixedly installed at the top of the inner wall of the fixed cylinder, and a second magnet is fixedly connected to the top end of the piston rod.
Through set up first magnet and the fixed second magnet in piston rod top at fixed section of thick bamboo inner wall top, through the repulsion between the magnet, make sealed piece and sealing opening hug closely, improve the leakproofness, and long service life.
Preferably, the left and right sides inside the valve body are provided with the intake antrum and go out the water cavity respectively, the inside of valve body just is located the centre in intake antrum and play water cavity is provided with the seal port, sealed piece is located the top of seal port.
Preferably, positioner is including an installation section of thick bamboo, an installation section of thick bamboo is fixed in flange's one side, the inside of an installation section of thick bamboo is provided with the drive pole, the tip fixedly connected with stopper of drive pole, the surface of drive pole and the one side cover that is located the stopper are equipped with the drive piece, the surface of drive pole and be located the stopper and drive between the piece the cover and be equipped with the lantern ring.
Preferably, the two sides of the surface of the fixed cylinder are both provided with a through groove, a clamping block is arranged in the through groove, the two sides of the surface of the lantern ring are both rotatably connected with a connecting rod, and one end of the connecting rod is rotatably connected with one side of the clamping block.
The connecting rod rotates with the lantern ring to be connected, can not influence the rotation of driving the pole.
Preferably, one end of the driving rod extends to the outside of the fixed cylinder through the assembling hole, and the elastic piece is sleeved on the surface of the driving rod and positioned between the driving block and one side of the inner wall of the fixed cylinder.
Preferably, the surface of the driving rod is fixedly connected with a stop block, and one side of the inner wall of the assembling hole is provided with a rectangular hole.
Preferably, a rubber ring is bonded on one side of the connecting flange, and a sealing gasket is bonded on the bottom of the sealing block.
Compared with the prior art, the utility model provides a amortization formula check valve takes precautions against earthquakes has following beneficial effect:
the utility model provides a shockproof amortization formula check valve, through set up first magnet and piston rod top fixed second magnet at the fixed cylinder inner wall top, through the repulsion between the magnet, make the seal block hug closely with the sealing opening, improve the leakproofness, and long service life;
and through setting up positioner can be when a valve body and pipe connection, fix a position fixedly through positioner at first, make valve body and pipeline keep the level, carry out the installation of screw and nut, make the operation simpler, and carry out the joint through positioner and fix, make fixed more stable, prevent that screw and nut from becoming flexible and making the pipeline junction leakproofness worsen.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the shock absorbing and noise reducing check valve of the present invention;
FIG. 2 is a side view of the attachment flange shown in FIG. 1;
fig. 3 is a schematic structural diagram of the positioning device shown in fig. 1.
Reference numbers in the figures: 1. the valve body, 2, flange, 3, intake chamber, 4, play water cavity, 5, sealing port, 6, shutoff subassembly, 61, fixed section of thick bamboo, 62, piston rod, 63, sealed piece, 64, first magnet, 65, second magnet, 7, positioner, 71, installation section of thick bamboo, 72, driving lever, 73, stopper, 74, drive piece, 75, connecting rod, 76, logical groove, 77, fixture block, 78, dog, 79, pilot hole, 710, rectangular hole, 711, pull handle, 8, rubber ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the shock-proof noise-reduction check valve according to the present invention; FIG. 2 is a side view of the attachment flange shown in FIG. 1; fig. 3 is a schematic structural diagram of the positioning device shown in fig. 1. The shockproof silencing check valve comprises a valve body 1;
the two connecting flanges 2 are respectively fixed at two ends of the valve body 1, and one sides of the connecting flanges 2 are symmetrically and fixedly connected with positioning devices 7;
plugging component 6, plugging component 6 fixed mounting in the top of 1 inner wall of valve body, plugging component 6 includes solid fixed cylinder 61, gu fixed cylinder 61 is fixed in the top of 1 inner wall of valve body, gu fixed cylinder 61 is inside to be provided with piston rod 62, the bottom fixedly connected with seal block 63 of piston rod 62, the top fixed mounting of solid fixed cylinder 61 inner wall has first magnet 64, the top fixedly connected with second magnet 65 of piston rod 62.
The first magnet 64 and the second magnet 65 have the same polarity on opposite sides.
The left and right sides of the interior of the valve body 1 are respectively provided with a water inlet cavity 3 and a water outlet cavity 4, the interior of the valve body 1 is located between the water inlet cavity 3 and the water outlet cavity 4 and is provided with a sealing opening 5, and the sealing block 63 is located at the top of the sealing opening 5.
Positioner 7 includes an installation section of thick bamboo 71, an installation section of thick bamboo 71 is fixed in one side of flange 2, the inside of an installation section of thick bamboo 71 is provided with drive rod 72, the tip fixedly connected with stopper 73 of drive rod 72, the surface of drive rod 72 and the one side cover that is located stopper 73 are equipped with and drive piece 74, the surface of drive rod 72 just is located and is equipped with the lantern ring between stopper 73 and the drive piece 74.
The collar and the driver rod 72 can rotate relative to each other, and the driver block 74 is a circular block.
Through grooves 76 are formed in the two sides of the surface of the fixed cylinder 61, clamping blocks 77 are arranged in the through grooves 76, connecting rods 75 are rotatably connected to the two sides of the surface of the lantern ring, and one ends of the connecting rods 75 are rotatably connected with one sides of the clamping blocks 77.
The side of the latch 77 remote from the attachment flange 2 is provided as a ramp.
One end of the driving rod 72 extends to the outside of the fixed cylinder 61 through the assembling hole 79, and an elastic piece is sleeved on the surface of the driving rod 72 and between the driving block 74 and one side of the inner wall of the fixed cylinder 61.
The fitting hole 79 is opened in the middle of the end of the fixed cylinder 61.
The surface of the driving rod 72 is fixedly connected with a stop block 78, and one side of the inner wall of the assembly hole 79 is provided with a rectangular hole 710.
The rectangular aperture 710 is sized to fit the stop 78.
One side of the connecting flange 2 is bonded with a rubber ring, and the bottom of the sealing block 63 is bonded with a sealing gasket.
The utility model provides a amortization formula check valve takes precautions against earthquakes's theory of operation as follows:
the water flow enters through the water inlet cavity 3, the water pressure pushes the sealing block 63 upwards, the sealing block 63 pushes the piston rod 62 upwards, the second magnet 65 and the first magnet 64 on the top of the piston rod 62 are subjected to the action of repulsion force to generate damping, the water inlet cavity 3 is communicated with the water outlet cavity 4 at the moment, and the water flow flows out at the moment;
after the water flow is finished, the piston rod 62 is downward under the action of the repulsive force between the first magnet 64 and the second magnet 65, and the piston rod 62 pushes the sealing block 63 downward to be tightly attached to the sealing opening 5, so that the sealing performance is improved;
when the check valve is installed, the end positioning device of the connecting flange 2 can be correspondingly inserted into a fixing hole on a flange of a pipeline end, when the check valve is inserted, the side of the fixing hole compresses the inclined surface of the clamping block 77 to push the connecting rod 75, the connecting rod 75 pushes the driving block 74 through the lantern ring to compress the elastic piece, at the moment, the clamping block 77 enters the installation cylinder 71, when the clamping block 77 passes through the fixing hole on the flange of the pipeline end, the clamping block 77 is pushed out through the action of the elastic piece to limit the clamping block, at the moment, the check valve is connected with the pipeline to be kept horizontal, and at the moment, the rubber ring 8 is in a micro-compression state;
after the positioning devices 7 at the two ends are used for positioning and mounting, the fixing and mounting are carried out through the screws and the nuts, so that the operation is simple and convenient;
when the valve body 1 is disassembled, firstly, the screw and the nut are disassembled in sequence, then the pull handle 711 is pulled in sequence to drive the driving block 74 to compress the elastic piece, the connecting rod 75 drives the clamping block 77 to enter the fixed cylinder 61, after the clamping block 77 completely enters the fixed cylinder 61, the clamping block 78 moves out of the fixed cylinder 61 through the rectangular hole 710, the driving rod 71 can be rotated at the moment to enable the clamping block 78 to be staggered with the rectangular hole 710, the clamping block 77 is limited, then, the valve body 1 can be taken down, and the operation is simple.
Compared with the prior art, the utility model provides a amortization formula check valve takes precautions against earthquakes has following beneficial effect:
the first magnet 64 is arranged at the top of the inner wall of the fixed cylinder 61, the second magnet 65 is fixed at the top end of the piston rod 62, and the sealing block 63 is tightly attached to the sealing port 5 through repulsive force among the magnets, so that the sealing property is improved, and the service life is long;
and can fix a position through setting up positioner 7 when a valve body 1 and pipe connection, fix a position through positioner at first, make valve body 1 and pipeline keep the level, carry out the installation of screw and nut, make the operation simpler, and carry out the joint through positioner and fix, make fixed more stable, prevent that screw and nut from becoming flexible and making the pipeline junction leakproofness worsen.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. A shock-proof noise reduction type check valve is characterized by comprising a valve body;
the two connecting flanges are respectively fixed at two ends of the valve body, and one side of each connecting flange is symmetrically and fixedly connected with a positioning device;
the sealing device comprises a sealing assembly, wherein the sealing assembly is fixedly installed at the top of the inner wall of the valve body and comprises a fixed cylinder, the fixed cylinder is fixed at the top of the inner wall of the valve body, a piston rod is arranged inside the fixed cylinder, a sealing block is fixedly connected to the bottom end of the piston rod, a first magnet is fixedly installed at the top of the inner wall of the fixed cylinder, and a second magnet is fixedly connected to the top end of the piston rod.
2. The shock absorbing and noise reducing check valve of claim 1, wherein: the left side and the right side of the interior of the valve body are respectively provided with a water inlet cavity and a water outlet cavity, the interior of the valve body is located a sealing port is arranged between the water inlet cavity and the water outlet cavity, and the sealing block is located at the top of the sealing port.
3. The shock absorbing and noise reducing check valve of claim 1, wherein: the positioning device comprises an installation barrel, the installation barrel is fixed on one side of the connecting flange, a driving rod is arranged inside the installation barrel, a limiting block is fixedly connected to the end portion of the driving rod, a driving block is sleeved on the surface of the driving rod and located on one side of the limiting block, and a lantern ring is sleeved on the surface of the driving rod and located between the limiting block and the driving block.
4. A shock absorbing and noise reducing check valve as defined in claim 3, wherein: through grooves are formed in the two sides of the surface of the fixed cylinder, a clamping block is arranged in each through groove, connecting rods are rotatably connected to the two sides of the surface of the lantern ring, and one end of each connecting rod is rotatably connected with one side of the corresponding clamping block.
5. The shock absorbing and noise reducing check valve of claim 4, wherein: one end of the driving rod extends to the outside of the fixed cylinder through the assembling hole, and an elastic piece is sleeved on the surface of the driving rod and between the driving block and one side of the inner wall of the fixed cylinder.
6. The shock absorbing and noise reducing check valve of claim 5, wherein: the surface of the driving rod is fixedly connected with a stop block, and one side of the inner wall of the assembling hole is provided with a rectangular hole.
7. The shock absorbing and noise reducing check valve of claim 1, wherein: and a rubber ring is bonded on one side of the connecting flange, and a sealing gasket is bonded at the bottom of the sealing block.
CN202022028902.XU 2020-09-16 2020-09-16 Shockproof silencing check valve Expired - Fee Related CN213298929U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022028902.XU CN213298929U (en) 2020-09-16 2020-09-16 Shockproof silencing check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022028902.XU CN213298929U (en) 2020-09-16 2020-09-16 Shockproof silencing check valve

Publications (1)

Publication Number Publication Date
CN213298929U true CN213298929U (en) 2021-05-28

Family

ID=76032977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022028902.XU Expired - Fee Related CN213298929U (en) 2020-09-16 2020-09-16 Shockproof silencing check valve

Country Status (1)

Country Link
CN (1) CN213298929U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210528

CF01 Termination of patent right due to non-payment of annual fee