CN113418035B

CN113418035B - Anti-blocking low-resistance check valve

Info

Publication number: CN113418035B
Application number: CN202110978461.6A
Authority: CN
Inventors: 刘强; 梁婷清
Original assignee: Nantong Xinchang Shock Absorber Co ltd
Current assignee: Nantong Xinchang Shock Absorber Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-11-16
Anticipated expiration: 2041-08-25
Also published as: CN113418035A

Abstract

The invention discloses an anti-blocking low-resistance check valve which comprises a pipeline body, wherein opening parts at two ends of the pipeline body are coaxially and fixedly connected with flange plates, a circulation groove is formed in the pipeline body, a baffle plate is vertically and fixedly connected to the inner top wall of the circulation groove, a vertical plate corresponding to the baffle plate is vertically and fixedly connected to one side, close to the circulation groove, of the inner bottom wall of the pipeline body, and a check mechanism matched with the baffle plate and the vertical plate is arranged on the inner top wall of the circulation groove. This equipment during operation both can be normal open the non return, can utilize fluidic kinetic energy to the lifter plate application of force again when opening to reduce the resistance of this internal fluid of pipeline, guarantee the normal opening of valve body, can also collect the impurity in the valve body simultaneously and after work, get rid of the impurity of collecting automatically, improved the life of this equipment, and need not to dismantle good use effect to the valve body.

Description

Anti-blocking low-resistance check valve

Technical Field

The invention relates to the technical field of check valves, in particular to an anti-blocking low-resistance check valve.

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block medium backflow, the valve in the prior art has the defects that impurities are doped in fluid in use in different occasions in the use process, the valve is blocked by the impurities after a certain time, the service life of the valve is influenced, especially for a lifting check valve, a baffling groove is arranged at the valve body and the valve clack of the lifting check valve, the existing check valve is generally a whole and is not convenient to disassemble, and therefore the difficulty in cleaning the impurities is large.

Disclosure of Invention

The invention aims to solve the problem that impurities are easy to accumulate inside a check valve in the prior art so as to influence the service life of the valve, and provides an anti-blocking low-resistance check valve.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a prevent blockking up low resistance type check valve, includes the pipeline body, the equal coaxial fixedly connected with ring flange of pipeline body both ends opening part, the circulation groove has been seted up in the pipeline body, the vertical fixedly connected with baffling board of circulation inslot roof department, the vertical fixedly connected with of pipeline body bottom wall near circulation groove one side corresponds with the baffling board riser, circulation inslot roof is equipped with baffling board, riser complex non return mechanism, be equipped with on the riser with non return mechanism complex power generation mechanism, pipeline body perisporium downside fixedly connected with fixed block, be equipped with in the fixed block with non return mechanism complex slagging-off mechanism.

Further, the non-return mechanism comprises a fixed cylinder fixedly connected with the inner top wall of the circulation groove, a movable plate is vertically and slidably connected with the inner side of the fixed cylinder, a movable contact is fixedly connected with the upper end face of the movable plate, a fixed contact matched with the movable contact is fixedly connected with the inner top wall of the fixed cylinder, a connecting rod is vertically and fixedly connected with the middle part of the lower end face of the movable plate, the lower end of the connecting rod penetrates through the lower end face of the fixed cylinder and extends to the lower part of the fixed cylinder, a lifting plate is fixedly connected with the lower end of the connecting rod, and the side wall of the lifting plate is in sealing and sliding connection with the wall of the circulation groove, the side wall of the baffle plate and the side wall of the vertical plate.

Further, power generation mechanism includes that the riser is close to the pivot of the horizontal rotation installation on the circulation groove side, a plurality of axial fan blades of even fixedly connected with in the pivot, the capillary groove has been seted up in the riser, fixed mounting has microgenerator in the capillary groove, the one end of pivot runs through the riser lateral wall and extends to the capillary groove in, and the pivot is located the capillary groove one end and is connected with microgenerator's input.

Furthermore, a first permanent magnet is horizontally and fixedly connected to the lifting plate, an electromagnet is fixedly connected to the lower end face of the fixed cylinder, the magnetic poles of the first permanent magnet and the side, opposite to the electromagnet, of the first permanent magnet are opposite, the output end of the micro generator is electrically connected with the fixed contact through a wire, and the input end of the electromagnet is electrically connected with the moving contact through a wire.

Further, the slag removing mechanism comprises a liquid storage tank which is arranged in the fixing block and corresponds to the lifting plate, the inner bottom wall of the liquid storage tank is elastically connected with a piston plate through a return spring, the side wall of the piston plate is in sealed sliding connection with the wall of the liquid storage tank, the upper end face of the piston plate is fixedly connected with a second permanent magnet, and the magnetic pole of one side of the second permanent magnet, which is opposite to the first permanent magnet, is the same.

Further, the horizontal flat-open of fixed block water-logging is equipped with the spout, sealed sliding connection has the slider in the spout, the side that the slider is close to the reservoir is driven the district with the confined space that the spout is constituteed, the confined space that terminal surface and reservoir are constituteed under the piston plate is the drive area, be equipped with communicating pipe between drive area and the driven district, all pack in drive area and the driven district has hydraulic oil.

Further, the fixed block and the pipeline body are jointly and vertically provided with a slag inlet pipe communicated with the bottom wall in the circulation groove and the top wall in the sliding groove, the sliding block is vertically penetrated and provided with a through hole corresponding to the slag inlet pipe, the lower end face of the fixed block is fixedly connected with a slag storage box, and the slag storage box and the fixed block are jointly provided with a slag discharge pipe corresponding to the through hole.

This equipment during operation both can be normal open the non return, can utilize fluidic kinetic energy to the lifter plate application of force again when opening to reduce the resistance of this internal fluid of pipeline, guarantee the normal opening of valve body, can also collect the impurity in the valve body simultaneously and after work, get rid of the impurity of collecting automatically, improved the life of this equipment, and need not to dismantle good use effect to the valve body.

Drawings

FIG. 1 is a schematic view of a partial external structure of an anti-clogging low resistance check valve according to the present invention;

FIG. 2 is a schematic view of a partial cutaway mechanism of an anti-clog low resistance check valve according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a schematic view of a portion of the deslagging mechanism in the anti-clogging low resistance check valve according to the invention;

fig. 6 is a schematic view of a part of the internal structure of the flow channel in the anti-clogging low resistance check valve provided by the invention.

In the figure: the device comprises a pipeline body 1, a flange plate 2, a circulation groove 3, a baffle plate 4, a vertical plate 5, a lifting plate 6, a first permanent magnet block 7, a fixed cylinder 8, a movable plate 9, a movable contact 10, a fixed contact 11, a connecting rod 12, an electromagnet 13, a waterproof groove 14, a miniature generator 15, a rotating shaft 16, an axial flow fan blade 17, a fixed block 18, a liquid storage tank 19, a piston plate 20, a second permanent magnet block 21, a reset spring 22, a sliding groove 23, a sliding block 24, a through hole 25, a slag inlet pipe 26, a slag storage tank 27, a slag discharge pipe 28 and a communicating pipe 29.

Detailed Description

Referring to fig. 1 and 2, a prevent blockking up low resistance type check valve, including pipeline body 1, the equal coaxial fixedly connected with ring flange 2 of 1 both ends opening part of pipeline body, circulation groove 3 has been seted up in pipeline body 1, the vertical fixedly connected with baffling board 4 of roof department in circulation groove 3, the vertical fixedly connected with in 1 bottom wall of pipeline body is close to circulation groove 3 one side and the riser 5 that baffling board 4 corresponds, roof department is equipped with baffling board 4 in circulation groove 3, riser 5 complex non return mechanism, be equipped with on the riser 5 with non return mechanism complex power generation mechanism, pipeline body 1 perisporium downside fixedly connected with fixed block 18, be equipped with in the fixed block 18 with non return mechanism complex slagging-off mechanism.

Referring to fig. 3, the non-return mechanism includes a fixed cylinder 8 fixedly connected to the inner wall of the circulation groove 3, a movable plate 9 is slidably connected to the inner wall of the fixed cylinder 8 in a vertical sealing manner, a movable contact 10 is fixedly connected to the upper end face of the movable plate 9, a fixed contact 11 matched with the movable contact 10 is fixedly connected to the inner wall of the fixed cylinder 8, a connecting rod 12 is fixedly connected to the middle of the lower end face of the movable plate 9 in the middle of the lower end face, the lower end of the connecting rod 12 penetrates through the lower end face of the fixed cylinder 8 and extends to the lower side of the fixed cylinder 8, a lifting plate 6 is fixedly connected to the lower end of the connecting rod 12, the side wall of the lifting plate 6 is slidably connected to the side wall of the circulation groove 3, the side wall of the baffle plate 4 is slidably connected to the side wall of the vertical plate 5, a rubber pad is fixed to the side wall of the lifting plate 6, and the wall of the circulation groove 3, and the sealing performance between the baffle 4 and the vertical plate 5 can be improved through the rubber pad.

Referring to fig. 4, the power generation mechanism comprises a rotating shaft 16 which is horizontally and rotatably installed on one side surface of a vertical plate 5 close to a circulation groove 3, a plurality of axial flow fan blades 17 are uniformly and fixedly connected to the rotating shaft 16, a waterproof groove 14 is formed in the vertical plate 5, a micro generator 15 is fixedly installed in the waterproof groove 14, one end of the rotating shaft 16 penetrates through the side wall of the vertical plate 5 and extends into the waterproof groove 14, one end of the rotating shaft 16, which is located in the waterproof groove 14, is connected with an input end of the micro generator 15, and a sealing bearing is arranged between the rotating shaft 16 and the vertical plate 5;

the first permanent magnet 7 is horizontally and fixedly connected to the lifting plate 6, the electromagnet 13 is fixedly connected to the lower end face of the fixed cylinder 8, the magnetic poles of the first permanent magnet 7 on the side opposite to the electromagnet 13 are opposite, namely the first permanent magnet 7 and the electromagnet 13 attract each other, the output end of the micro generator 15 is electrically connected with the fixed contact 11 through a wire, a rectifying circuit is arranged between the micro generator 15 and the fixed contact 11, the current led into the fixed contact 11 by the micro generator 15 can be guaranteed to be direct current through the rectifying circuit, the stability of the magnetic pole of the electromagnet 13 is guaranteed, and the input end of the electromagnet 13 is electrically connected with the movable contact 10 through a wire.

Referring to fig. 5, the slag removing mechanism includes a liquid storage tank 19 corresponding to the lifting plate 6 and arranged in the fixed block 18, the inner bottom wall of the liquid storage tank 19 is elastically connected with a piston plate 20 through a return spring 22, the side wall of the piston plate 20 is in sealed sliding connection with the wall of the liquid storage tank 19, the upper end face of the piston plate 20 is fixedly connected with a second permanent magnet 21, and the magnetic poles of the second permanent magnet 21 on the opposite side of the first permanent magnet 7 are the same, namely the first permanent magnet 7 and the second permanent magnet 21 are mutually exclusive in magnetism;

a sliding groove 23 is horizontally arranged in the fixed block 18, a sliding block 24 is horizontally, hermetically and slidably connected in the sliding groove 23, a sealed space formed by one side surface of the sliding block 24 close to the liquid storage groove 19 and the sliding groove 23 is a driven area, a sealed space formed by the lower end surface of the piston plate 20 and the liquid storage groove 19 is a driving area, a communicating pipe 29 is arranged between the driving area and the driven area, and hydraulic oil is filled in both the driving area and the driven area;

the fixed block 18 and the pipeline body 1 are jointly and vertically provided with a slag inlet pipe 26 communicated with the inner bottom wall of the circulation groove 3 and the inner top wall of the sliding groove 23, the sliding block 24 is vertically penetrated and provided with a through hole 25 corresponding to the slag inlet pipe 26, the lower end face of the fixed block 18 is fixedly connected with a slag storage box 27, and the slag storage box 27 and the fixed block 18 are jointly provided with a slag discharge pipe 28 corresponding to the through hole 25.

Initially, no fluid exists in the pipeline body 1, under the action of self gravity, the lifting plate 6 is positioned between the vertical plate 5 and the baffle plate 4, as shown in fig. 2, the lifting plate 6 separates the pipeline body 1, meanwhile, under the action of magnetic repulsion force between the first permanent magnet 7 and the second permanent magnet 21, the second permanent magnet 21 drives the piston plate 20 to compress the return spring 22, the through hole 25 on the sliding block 24 is opposite to the slag discharge pipe 28, and the through hole 25 is staggered with the slag inlet pipe 26;

when fluid is injected into the pipeline body 1 from left to right, under the pressure action of the fluid, the lifting plate 6 moves upwards, the lifting plate 6 is separated from the vertical plate 5, the fluid normally circulates through an opening between the lifting plate 6 and the vertical plate 5, meanwhile, the lifting plate 6 drives the movable plate 9 and the movable contact 10 to move upwards through the connecting rod 12, the movable contact 10 abuts against the static contact 11, the first permanent magnet 7 of the lifting plate 6 moves upwards, the distance between the first permanent magnet 7 and the second permanent magnet 21 is increased, the magnetic force between the first permanent magnet 7 and the second permanent magnet 21 is weakened, under the elastic force action of the return spring 22, the second permanent magnet 21 drives the piston plate 20 to move upwards, negative pressure is generated in the driving area, hydraulic oil in the driven area enters the driving area through the communicating pipe 29, the sliding block 24 moves towards the direction of the reservoir close to the reservoir 19, the through hole 25 on the sliding block 24 is opposite to the slag inlet pipe 26, and impurities entering the pipeline body 1 are accumulated in the flow through groove 3, impurities can enter the through hole 25 through the slag inlet pipe 26, so that the collection of the impurities is completed, meanwhile, fluid impacts the axial flow fan blades 17 when flowing, the axial flow fan blades 17 drive the rotating shaft 16 to rotate, the micro generator 15 converts kinetic energy of the rotating shaft 16 into electric energy (the part is the prior art and is not described herein), the micro generator 15 supplies power to the electromagnet 13 through the moving contact 10 and the static contact 11, the electromagnet 13 generates a magnetic field mutually attracted with the first permanent magnet 7, an upward acting force can be provided for the lifting plate 6, the valve body can be ensured to be stably opened, and the resistance to fluid flow in the pipeline body 1 is reduced;

when the water supply end of the pipeline body 1 stops closing, the acting force applied by the fluid to the lifting plate 6 is weakened, the lifting plate 6 moves downwards under the action of the self gravity, the movable contact 10 is separated from the static contact 11, the electromagnet 13 is powered off, the lifting plate 6 moves downwards to be reset between the baffle plate 4 and the vertical plate 5, so that the pipeline body 1 is separated again, meanwhile, the first permanent magnet 7 moves downwards to be close to the second permanent magnet 21, under the action of the magnetic repulsion force between the first permanent magnet 7 and the second permanent magnet 21, the second permanent magnet 21 drives the piston plate 20 to move downwards to extrude the driving area and compress the reset spring 22, hydraulic oil in the driving area enters the driven area through the communicating pipe 29, the slide block 24 moves towards the direction far away from the liquid storage tank 19, the through hole 25 is in direct opposite conduction with the slag discharge pipe 28 again, impurities in the through the slag discharge pipe 28 fall into the slag storage tank 27, so that the impurities in the circulating tank 3 are transferred and discharged, the cleanness in the circulation groove is ensured, the service life of the valve body is prolonged, the valve body does not need to be disassembled, and the using effect is good.

Claims

1. The anti-blocking low-resistance check valve comprises a pipeline body (1) and is characterized in that opening parts at two ends of the pipeline body (1) are coaxially and fixedly connected with flange plates (2), a circulation groove (3) is formed in the pipeline body (1), a baffle plate (4) is vertically and fixedly connected with the inner top wall of the circulation groove (3), a vertical plate (5) corresponding to the baffle plate (4) is vertically and fixedly connected to one side, close to the circulation groove (3), of the inner bottom wall of the pipeline body (1), a non-return mechanism matched with the baffle plate (4) and the vertical plate (5) is arranged on the inner top wall of the circulation groove (3), a power generation mechanism matched with the non-return mechanism is arranged on the vertical plate (5), a fixed block (18) is fixedly connected to the lower side of the peripheral wall of the pipeline body (1), a deslagging mechanism matched with the non-return mechanism is arranged in the fixed block (18), and the non-return mechanism comprises a fixed cylinder (8) fixedly connected with the inner top wall of the circulation groove (3), a movable plate (9) is vertically and slidably connected in the fixed cylinder (8), a movable contact (10) is fixedly connected to the upper end face of the movable plate (9), a fixed contact (11) matched with the movable contact (10) is fixedly connected to the inner top wall of the fixed cylinder (8), a connecting rod (12) is vertically and fixedly connected to the middle of the lower end face of the movable plate (9), the lower end of the connecting rod (12) penetrates through the lower end face of the fixed cylinder (8) and extends to the lower portion of the fixed cylinder (8), a lifting plate (6) is fixedly connected to the lower end of the connecting rod (12), the side wall of the lifting plate (6) is in sealing and sliding connection with the wall of the circulation groove (3), the side wall of the baffle plate (4) and the side wall of the vertical plate (5), the power generation mechanism comprises a rotating shaft (16) which is horizontally and rotatably installed on one side face of the circulation groove (3) close to the vertical plate (5), and a plurality of axial flow fan blades (17) are uniformly and fixedly connected to the rotating shaft (16), waterproof grooves (14) are formed in the vertical plates (5), a micro generator (15) is fixedly mounted in the waterproof grooves (14), one end of a rotating shaft (16) penetrates through the side wall of the vertical plates (5) and extends into the waterproof grooves (14), one end of the rotating shaft (16) is located in the waterproof grooves (14) and is connected with the input end of the micro generator (15), a first permanent magnet block (7) is fixedly connected to the upper portion of the lifting plate (6), an electromagnet (13) is fixedly connected to the lower end face of the fixing barrel (8), the magnetic poles of the first permanent magnet block (7) and the electromagnet (13) on the opposite side are opposite, the output end of the micro generator (15) is electrically connected with the fixed contact (11) through a wire, and the input end of the electromagnet (13) is electrically connected with the movable contact (10) through a wire.

2. The anti-clogging low-resistance check valve according to claim 1, characterized in that the deslagging mechanism comprises a liquid storage tank (19) which is arranged in the fixed block (18) and corresponds to the lifting plate (6), the bottom wall of the liquid storage tank (19) is elastically connected with a piston plate (20) through a return spring (22), the side wall of the piston plate (20) is in sealed sliding connection with the wall of the liquid storage tank (19), a second permanent magnet (21) is fixedly connected to the upper end face of the piston plate (20), and the magnetic pole of the second permanent magnet (21) is the same as that of the side opposite to the first permanent magnet (7).

3. The anti-clogging low-resistance check valve according to claim 2, characterized in that a sliding groove (23) is horizontally arranged in the fixed block (18), a sliding block (24) is connected in the sliding groove (23) in a sealing and sliding manner, a sealing space formed by one side face of the sliding block (24) close to the liquid storage groove (19) and the sliding groove (23) is a driven area, a sealing space formed by the lower end face of the piston plate (20) and the liquid storage groove (19) is a driving area, a communicating pipe (29) is arranged between the driving area and the driven area, and hydraulic oil is filled in the driving area and the driven area.

4. The anti-clogging low-resistance check valve according to claim 3, characterized in that the fixed block (18) and the pipeline body (1) are vertically provided with a slag inlet pipe (26) for communicating the inner bottom wall of the circulation groove (3) with the inner top wall of the sliding groove (23), the sliding block (24) is vertically provided with a through hole (25) corresponding to the slag inlet pipe (26) in a penetrating manner, the lower end surface of the fixed block (18) is fixedly connected with a slag storage box (27), and the slag storage box (27) and the fixed block (18) are provided with a slag discharge pipe (28) corresponding to the through hole (25) in a common manner.