CN115899297B

CN115899297B - Valve with self-cleaning function

Info

Publication number: CN115899297B
Application number: CN202310126827.6A
Authority: CN
Inventors: 蔡飞
Original assignee: Zhonghong Valve Co ltd
Current assignee: Zhonghong Valve Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-05-26
Anticipated expiration: 2043-02-17
Also published as: CN115899297A

Abstract

The invention relates to the field of valves, in particular to a valve with a self-cleaning function. The invention provides a valve with a self-cleaning function, which comprises a connecting pipe, a square sealing ring, a valve core, a sliding rod, a reset elastic piece, a connecting block, a scraping plate and the like, wherein the valve core can slide up and down along with the sliding rod to control the flow of fluid in the connecting pipe, the reset elastic piece is connected with the sliding rod and the valve core so as to enable the valve core to elastically reset, the connecting block is connected with the square sealing ring, the scraping plate is rotationally connected with the connecting block and can swing left and right, the scraping plate swings towards one side close to each other and can be contacted with the valve core, and impurities can be scraped off by the scraping plate when the valve core moves upwards. According to the invention, the rotary handle is rotated, so that the valve core can be controlled to move up and down to regulate the flow of fluid, and meanwhile, when the valve core moves upwards, the scraping plate can be driven to rotate to be in contact with the valve core, so that impurities attached to the surface of the valve core can be scraped off by the scraping plate, the purpose of automatically cleaning the valve core is achieved, manual operation is not needed, and the conveying efficiency of the fluid is not influenced.

Description

Valve with self-cleaning function

Technical Field

The invention relates to the field of valves, in particular to a valve with a self-cleaning function.

Background

The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. The most important technical performance indexes of the valve are tightness, and three sealing parts of the valve are: the contact part between the valve core and the two sealing surfaces of the valve seat; the matching part of the filler, the valve rod and the stuffing box; the junction of the valve body and the valve cover.

When the existing valve is used, the flow of fluid in a pipeline is generally controlled by controlling the movement of a valve core, so that the valve core is in contact with the fluid in the pipeline for a long time, impurities in the fluid are easy to adhere to the surface of the valve core, when the valve core moves, impurities are likely to be scraped to the two sealing surfaces of a valve seat, the impurities are likely to be accumulated at the contact positions between the valve core and the two sealing surfaces of the valve seat, the shapes of the impurities are different, the two sealing surfaces of the valve seat are likely to be extruded to deform, the tightness between the valve core and the two sealing surfaces of the valve seat is affected, the fluid cutting capacity of the valve is further affected, at present, the fluid is generally cut off manually, then the valve is detached, the valve is cleaned and maintained manually, and finally the valve is installed back to the original position, so that the whole operation is troublesome, and the fluid cannot be conveyed in the pipeline during the cleaning and maintenance of the valve, and the conveying efficiency of the fluid is affected.

Disclosure of Invention

In view of the above, the invention provides a valve with a self-cleaning function, which can overcome the defects that the operation of manually cleaning and maintaining the valve is troublesome and the fluid conveying efficiency is affected.

The invention is realized by the following technical approaches:

the utility model provides a valve with self-cleaning function, including the mount pad, the connecting pipe, square sealing washer, the case, the seal cover, the slide bar, reset shrapnel, the connecting block, the scraper blade, rotating assembly and lifting assembly, the mount pad left and right sides all communicates there is the connecting pipe, square sealing washer connection mount pad and connecting pipe, the seal cover has been linked to the mount pad, slide bar and mount pad sliding connection and can reciprocate, case and slide bar lower extreme sliding connection and can slide from side to side, and the case can slide from top to bottom with the slide bar in order to control the fluid flow in the connecting pipe, the case is located between two square sealing washer, square sealing washer and seal cover all contact seal with the case, reset shrapnel connects slide bar and case, so that the case elasticity resets, the connecting block is connected with square sealing washer, the scraper blade rotates with the connecting block and can swing from side that is close to each other, the upward movement accessible scraper blade scrapes impurity, rotating assembly is used for driving the scraper blade swing, lifting assembly is used for driving the case and goes up and down.

Further, rotating assembly is including pullback shell fragment, movable block and first friction block, the connecting block of scraper blade and front side is connected to the pullback shell fragment to provide the scraper blade and to be close to one side wobbling power each other, movable block and the connecting block sliding connection of front side and can slide from top to bottom, but the extrusion scraper blade is kept away from the case towards one side wobbling that is kept away from each other when the movable block slides down, first friction block is connected with the movable block, and first friction block all contacts with the case, so that case accessible frictional force drives first friction block and movable block and reciprocates.

Further, the lifting assembly comprises a rotary handle, a sliding frame and a protruding block, wherein the rotary handle is rotationally connected with the left connecting pipe and can swing up and down, the sliding frame is connected with the mounting seat, and the sliding frame is connected with the sliding rod, so that the sliding rod can move up and down along with the sliding frame, the protruding block is connected with the sliding frame, and the protruding block is in sliding fit with the rotary handle, so that the sliding frame can be driven to move up and down when the rotary handle swings up and down.

Further, the device also comprises a rubber sleeve, wherein the rubber sleeve is connected with the scraping plate, and the rubber sleeve is contacted with the valve core, so that the valve core can assist the scraping plate to swing through friction force.

Further, still including depositing dirty frame, blowoff valve, filter frame and actuating assembly, the connecting pipe bottom intercommunication on right side has the dirty frame of depositing that is used for storing impurity, and the blowoff valve is installed on dirty frame right side of depositing, and the filter frame rotates with the connecting pipe on right side and is connected and can swing from top to bottom, and when the filter frame upwards rotates and opens, can filter the inside fluid of connecting pipe that flows through the right side, and the filter frame is located to deposit dirty frame directly over, and actuating assembly is used for driving the filter frame and swings from top to bottom.

Further, the drive assembly is including guide bar, sliding block, second friction disc and elastic rod, and the connecting pipe internal connection on right side has the guide bar, and sliding block and guide bar sliding connection and can reciprocate, and the sliding block left side is connected with the second friction disc, and the second friction disc contacts with the case to make case accessible frictional force drive second friction disc reciprocate, and the sliding block right side is connected with the elastic rod, and the elastic rod is located the filter frame bottom, can stir the filter frame and upwards rotate when making the elastic rod upward movement and open.

Further, still including dwang, elastic sleeve and rotating barrier, be connected with the dwang on the blowoff valve to can drive the dwang and rotate when making the blowoff valve open or close, the elastic sleeve is connected with the dwang, and rotating barrier rotates with the filtration frame to be connected, and when the elastic sleeve rotated to the rotating barrier top, can compress tightly rotating barrier.

Further, the device also comprises a floating frame, wherein the sliding block is connected with the floating frame, and the floating frame is provided with round holes for fluid circulation and air holes for air circulation.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the rotary handle is rotated, so that the valve core can be controlled to move up and down to regulate the flow of fluid, and meanwhile, when the valve core moves upwards, the scraping plate can be driven to rotate to be in contact with the valve core, so that impurities attached to the surface of the valve core can be scraped off by the scraping plate, the purpose of automatically cleaning the valve core is achieved, manual operation is not needed, and the conveying efficiency of the fluid is not influenced.

2. When the valve core moves downwards to intercept fluid, the valve core can be subjected to the force of pushing the fluid to the right, so that the valve core can slightly move to the right, the valve core can be more tightly attached to the right square sealing ring, and the tightness between the valve core and the right square sealing ring is improved.

3. When the valve core moves upwards, the filter frame can be controlled to rotate upwards to be opened, so that impurities in fluid can be blocked, the impurities drop into the dirt storage frame, and the impurities in the dirt storage frame can be conveniently and uniformly collected and cleaned manually.

4. According to the invention, through the action of the floating frame, the downward rotation time of the filter frame can be delayed, and the filter frame is ensured to fully block impurities in the fluid.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic internal perspective view of the connecting tube according to the present invention.

Fig. 3 is a schematic internal perspective view of the mounting base of the present invention.

Fig. 4 is a schematic perspective view of a square seal ring, a valve core, a sliding rod and a reset spring.

Fig. 5 is an enlarged view of a portion a of fig. 4.

Fig. 6 is a schematic perspective view of the connecting block, scraper, pull-back spring, movable block, first friction block and rubber sleeve of the present invention.

Fig. 7 is a schematic perspective view of the mounting base, the connecting pipe, the valve core, the filter frame and the guide rod of the present invention.

Fig. 8 is a schematic perspective view of the valve core, the guide rod, the sliding block, the second friction block, the elastic rod and the floating frame of the present invention.

Fig. 9 is a schematic perspective view of a dirt storage frame, a drain valve, a filter frame, a rotating rod, an elastic sleeve and a rotating baffle plate according to the present invention.

Fig. 10 is a schematic perspective view of a filter frame and a rotary baffle plate according to the present invention.

Fig. 11 is a schematic perspective view of a floating frame according to the present invention.

In the above figures: 1: mounting base, 2: connecting pipe, 3: square sealing ring, 4: valve core, 41: sealing sleeve, 5: slide bar, 51: resetting spring piece, 6: connecting block, 7: scraper blade, 8: pull back the shell fragment, 9: movable block, 10: first friction block, 11: rubber sleeve, 121: rotating the handle, 122: sliding frame, 123: bump, 131: dirt storage frame, 132: blow-down valve, 133: filter frame, 134: guide bar, 135: slider, 136: second friction block, 137: elastic rod, 141: rotating lever, 142: elastic sleeve, 143: rotating baffle, 15: floating frame, 151: round hole, 152: and (5) air holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is only stated that the terms of orientation, such as up, down, left, right, front, back, interior, exterior, etc., used herein, or immediately before, are used merely as references to the drawings of the present invention, and are not intended to limit the present invention to the specific form or form of the present invention, and the components themselves are numbered herein, for example: first, second, etc. are used solely to distinguish between the described objects and do not have any sequential or technical meaning. And the application is said to be as follows: connection, coupling, unless specifically stated otherwise, includes both direct and indirect connection (coupling).

Example 1

1-6, including mount pad 1, connecting pipe 2, square sealing washer 3, case 4, seal cover 41, slide bar 5, reset shrapnel 51, connecting block 6, scraper 7, pullback shrapnel 8, movable block 9, first friction block 10, rotary handle 121, sliding frame 122 and bump 123, the lower left and right sides of mount pad 1 all communicates with connecting pipe 2, connecting pipe 2 is close to each other one end and mount pad 1 between inside all be connected with square sealing washer 3, be connected with case 4 in the mount pad 1 in the slip, case 4 is located between two square sealing washer 3, and case 4 contacts with two square sealing washer 3, mount pad 1 inboard upper portion is connected with seal cover 41, seal cover 41 contacts with case 4, case 4 reciprocates controllable fluid's flow, and square sealing washer 3 and seal cover 41 all play the sealed effect, the upper part of the mounting seat 1 is connected with a sliding rod 5 in a sliding manner, the lower end of the sliding rod 5 is connected with the valve core 4 in a sliding manner, a reset spring piece 51 is symmetrically connected between the lower end of the sliding rod 5 and the valve core 4 in a left-right manner, the upper parts of the front side and the rear side of the square sealing ring 3 are respectively connected with a connecting block 6, a scraping plate 7 is respectively connected between the two connecting blocks 6 corresponding to the front side and the rear side, the scraping plate 7 is respectively contacted with the valve core 4, a pull-back spring piece 8 is respectively connected between the scraping plate 7 and the connecting block 6 at the front side, the connecting block 6 at the front side is respectively connected with a movable block 9, the movable block 9 is contacted with the scraping plate 7, one end of the movable block 9 close to the valve core 4 is respectively connected with a first friction block 10, the first friction block 10 is respectively contacted with the valve core 4, the upper part of the connecting pipe 2 at the left side is rotationally connected with a rotary handle 121, the upper part at the outer side of the mounting seat 1 is respectively connected with a sliding frame 122, the sliding frame 122 is connected with the sliding rod 5, the front and rear sides of the sliding frame 122 are welded with protruding blocks 123, and the protruding blocks 123 are in sliding fit with the rotary handle 121.

Firstly, connecting pipes 2 on the left side and the right side are respectively connected to the end parts of two pipelines, namely the pipelines on the left side and the right side can be communicated through a mounting seat 1 and the connecting pipes 2, initially, a pull-back spring piece 8 is in a compression deformation state, a valve core 4 is positioned at the bottommost side, so that fluid in the pipeline on the left side can be blocked, when a person rotates a rotary handle 121 upwards, a sliding frame 122 can be driven to move upwards through a lug 123, a sliding rod 5 and the valve core 4 are driven to move upwards, the valve core 4 can not block fluid in the pipeline on the left side any more, the fluid in the pipeline on the left side can flow into the pipeline on the right side through the mounting seat 1 and the connecting pipes 2, and fluid conveying work is completed, wherein a square sealing ring 3 and a sealing sleeve 41 can play a sealing role, so that fluid leakage can be prevented, and when the person rotates the rotary handle 121 downwards, the sliding frame 122 can be driven to move downwards through the lug 123, so that the sliding rod 5 and the valve core 4 can be driven to move downwards, and fluid can be blocked; when the valve core 4 cuts off fluid, the valve core 4 receives the force of pushing the fluid to the right, so that the valve core 4 slightly moves to the right, the reset elastic sheet 51 deforms, the valve core 4 is closer to the right square sealing ring 3, and the right square sealing ring 3 is extruded, so that the tightness between the valve core 4 and the right square sealing ring 3 can be improved, the fluid is prevented from flowing into the right connecting pipe 2, the fluid cutting-off capability of the valve is improved, and when the valve core 4 does not cut off the fluid any more, the reset elastic sheet 51 can restore to the original state, and the valve core 4 is driven to slightly move to the left for reset; over time, impurity in the fluid can adhere to the case 4 surface, when case 4 upward movement, accessible frictional force drives first friction disc 10 upward movement, thereby drive movable block 9 upward movement and scraper blade 7 separation, at this moment, pullback shell fragment 8 resumes the original form, drive scraper blade 7 rotation, make scraper blade 7 lower extreme swing and case 4 contact in one side that is close to each other, case 4 continues upward movement, accessible scraper blade 7 scrapes the impurity that adheres to the case 4 surface, when movable block 9 moves to the top, movable block 9 and first friction disc 10 stop upward movement, and case 4 can continue upward movement, thereby can not influence the movement of case 4, when case 4 downward movement, accessible frictional force drives first friction disc 10 downward movement, thereby drive movable block 9 downward movement, make movable block 9 extrusion scraper blade 7 reverse, pullback 8 compression deformation, make scraper blade 7 lower extreme swing and case 4 separation in one side that is kept away from each other, so can automatically clean case 4, manual operation is not influenced yet fluid conveying efficiency.

Example 2

On the basis of embodiment 1, as shown in fig. 5 and 6, the device further comprises a rubber sleeve 11, wherein the scraping plates 7 are connected with the rubber sleeve 11, the rubber sleeve 11 is in contact with the valve core 4, and when the valve core 4 moves up and down, the friction force can drive the rubber sleeve 11 to rotate positively and negatively, so that the rotation of the positive and negative scraping plates 7 can be assisted.

As shown in fig. 1, fig. 2, fig. 7 and fig. 8, the filter device further comprises a dirt storage frame 131, a blow-down valve 132, a filter frame 133, a guide rod 134, a sliding block 135, a second friction block 136 and an elastic rod 137, wherein the dirt storage frame 131 for storing impurities is communicated with the bottom of the right connecting pipe 2, the blow-down valve 132 is installed on the right side of the dirt storage frame 131, the filter frame 133 is rotatably connected to the bottom in the right connecting pipe 2, the filter frame 133 rotates upwards to filter impurities in fluid, the filter frame 133 is located right above the dirt storage frame 131, the guide rod 134 is welded in the right connecting pipe 2, the sliding block 135 is connected to the guide rod 134 in a sliding manner, the second friction block 136 is connected to the left side of the sliding block 135, the second friction block 136 is in contact with the valve core 4, the elastic rod 137 is connected to the right side of the sliding block 135, and the elastic rod 137 is located at the bottom of the filter frame 133.

As shown in fig. 2, 9 and 10, the sewage draining valve further comprises a rotating rod 141, an elastic sleeve 142 and a rotating baffle 143, the rotating rod 141 is welded on the sewage draining valve 132, the elastic sleeve 142 is connected to the upper portion of the rotating rod 141, the rotating baffle 143 is rotatably connected to the left portion of the filtering frame 133, and the elastic sleeve 142 rotates to be in contact with the rotating baffle 143.

When case 4 upward movement, accessible frictional force drives the upward movement of second clutch block 136, thereby drive sliding block 135 and elastic rod 137 upward movement, elastic rod 137 can stir filter frame 133 and upwards rotate and open, when the fluid in the left side pipeline was through mount pad 1, can carry the impurity of scraping to the right side, filter frame 133 can filter the fluid, thereby can block impurity in the fluid, fluid can extrude rotatory baffle 143 and rotate to the right and open, thereby do not influence the transportation of fluid, stop moving when second clutch block 136 moves to the top, case 4 continues upward movement and can separate with second clutch block 136, under the effect of gravity, second clutch block 136, sliding block 135 and elastic rod 137 can down move and reset, make elastic rod 137 and filter frame 133 separation, filter frame 133 can down rotate and close under the effect of gravity, thereby can make impurity drop down to in depositing dirty frame 131, when the impurity in the dirty frame of needs to be collected and handled, can rotate blow off valve 132 and open, thereby can drive rotatory pole 141 and elastic sleeve 142 and prevent that the dirt from rotating to push down in the dirty frame 131, can rotate and prevent people from depositing the dirty frame 131 and rotating to get out of elastic sleeve 142, thereby, can prevent people from rotating out the top 131 and rotating and removing dirty valve 131.

As shown in fig. 8 and 11, the filter further comprises a floating frame 15, the sliding block 135 is connected with the floating frame 15, a round hole 151 is formed in the lower portion of the right side of the floating frame 15, an air hole 152 is formed in the right side of the top of the floating frame 15, when the valve core 4 moves upwards, the sliding block 135 can be driven by the second friction block 136 to move upwards, the sliding block 135 can drive the floating frame 15 to move upwards, at this moment, fluid can flow through the right connecting pipe 2, the floating frame 15 can float on the fluid, when the valve core 4 is separated from the second friction block 136, under the action of the buoyancy, the sliding block 135 can be kept at the uppermost side, as the fluid in the right connecting pipe 2 is more and more, part of the fluid can enter the floating frame 15 through the round hole 151, air in the floating frame 15 can be discharged through the air hole 152, so that the floating frame 15 can move downwards to reset under the action of gravity, when the valve core 4 moves downwards to cut off the fluid, the fluid in the floating frame 15 can flow out through the round hole 151 under the action of gravity, and the air can enter the air hole 152, thus the filter frame 133 can be fully stopped, and the filter frame 133 can be completely stopped.

The embodiments described above are intended to provide those skilled in the art with a full range of modifications and variations to the embodiments described above without departing from the inventive concept thereof, and therefore the scope of the invention is not limited by the embodiments described above, but is to be accorded the broadest scope consistent with the innovative features recited in the claims.

Claims

1. The valve with the self-cleaning function is characterized by comprising a mounting seat, a connecting pipe, square sealing rings, a valve core, a sealing sleeve, a sliding rod, a reset elastic sheet, a connecting block, a scraping plate, a rotating component and a lifting component, wherein the left side and the right side of the mounting seat are respectively communicated with the connecting pipe, the square sealing rings are connected with the mounting seat and the connecting pipe, the sealing sleeve is connected in the mounting seat, the sliding rod is in sliding connection with the mounting seat and can slide up and down, the valve core is in sliding connection with the lower end of the sliding rod and can slide left and right, the valve core can slide up and down along with the sliding rod to control the flow of fluid in the connecting pipe, the valve core is positioned between the two square sealing rings, the square sealing rings and the sealing sleeve are respectively in contact with the valve core, the reset elastic sheet is connected with the sliding rod and the valve core to enable the valve core to reset elastically, the connecting block is connected with the square sealing rings, the scraping plate is in rotary connection with the connecting block and can swing left and right, the scraping plate can contact with the valve core from one side close to each other, impurities can be scraped by the scraping plate, the rotating component is used for driving the scraping plate to swing, and the lifting component is used for driving the valve core to swing; the rotating assembly comprises a pull-back elastic sheet, a movable block and a first friction block, wherein the pull-back elastic sheet is connected with the scraping plate and a connecting block at the front side so as to provide a force for swinging at one side of the scraping plate, the movable block is connected with the connecting block at the front side in a sliding manner and can slide up and down, when the movable block slides down, the scraping plate can be extruded to swing at one side of the scraping plate, which is far away from each other, so that the valve core is far away from the valve core, the first friction block is connected with the movable block, and the first friction block is contacted with the valve core, so that the valve core can drive the first friction block and the movable block to move up and down through friction force.

2. The valve with self-cleaning function according to claim 1, wherein the lifting assembly comprises a rotary handle, a sliding frame and a protruding block, the rotary handle is rotatably connected with the left connecting pipe and can swing up and down, the sliding frame is connected with the mounting seat, the sliding frame is connected with the sliding rod, so that the sliding rod can move up and down along with the sliding frame, the protruding block is connected with the sliding frame, and the protruding block is in sliding fit with the rotary handle, so that the sliding frame can be driven to move up and down when the rotary handle swings up and down.

3. The valve with self-cleaning function according to claim 1, further comprising a rubber sleeve, wherein the rubber sleeve is connected with the scraper, and the rubber sleeve is in contact with the valve core, so that the valve core can assist the scraper to swing through friction force.

4. The valve with self-cleaning function according to claim 1, further comprising a dirt storage frame, a drain valve, a filter frame and a driving component, wherein the dirt storage frame for storing impurities is communicated with the bottom of the connecting pipe on the right side, the drain valve is arranged on the right side of the dirt storage frame, the filter frame is rotationally connected with the connecting pipe on the right side and can swing up and down, when the filter frame is rotationally opened, fluid in the connecting pipe on the right side can be filtered, the filter frame is positioned right above the dirt storage frame, and the driving component is used for driving the filter frame to swing up and down.

5. The valve with self-cleaning function according to claim 4, wherein the driving assembly comprises a guide rod, a sliding block, a second friction block and an elastic rod, wherein the guide rod is connected in the connecting pipe on the right side, the sliding block is connected with the guide rod in a sliding manner and can slide up and down, the second friction block is connected on the left side of the sliding block, the second friction block is contacted with the valve core, so that the valve core can drive the second friction block to move up and down through friction force, the elastic rod is connected on the right side of the sliding block, and the elastic rod is positioned at the bottom of the filter frame, so that the filter frame can be stirred to rotate up to be opened when the elastic rod moves up.

6. The valve with self-cleaning function according to claim 4, further comprising a rotating rod, an elastic sleeve and a rotating baffle plate, wherein the rotating rod is connected to the blow-down valve, so that the rotating rod can be driven to rotate when the blow-down valve is opened or closed, the elastic sleeve is connected with the rotating rod, the rotating baffle plate is rotationally connected with the filtering frame, and the rotating baffle plate can be pressed when the elastic sleeve rotates to the upper part of the rotating baffle plate.

7. The valve with self-cleaning function according to claim 5, further comprising a floating frame, wherein the sliding block is connected with the floating frame, and the floating frame is provided with round holes for fluid circulation and air holes for air circulation.