CN220204761U - Water conservancy check valve - Google Patents
Water conservancy check valve Download PDFInfo
- Publication number
- CN220204761U CN220204761U CN202321451459.4U CN202321451459U CN220204761U CN 220204761 U CN220204761 U CN 220204761U CN 202321451459 U CN202321451459 U CN 202321451459U CN 220204761 U CN220204761 U CN 220204761U
- Authority
- CN
- China
- Prior art keywords
- valve body
- water conservancy
- check valve
- fixedly connected
- wall
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Check Valves (AREA)
- Details Of Valves (AREA)
Abstract
The utility model relates to the technical field of check valves and provides a water conservancy check valve which comprises a valve body, wherein the top of the valve body is fixedly connected with a water inlet pipe, the outer side wall of the water inlet pipe is provided with a control valve, and the bottom of the valve body is fixedly connected with a drain pipe; the inner wall of the valve body is fixedly provided with a baffle, and the top of the baffle is provided with a trapezoid opening. The liquid that lets in the inlet tube is filtered through the filter frame, and liquid extrudes trapezoidal piece downwardly moving after filtering, discharges in the drain pipe, after liquid passes through, makes two sliders to inboard removal under reset spring's effect, under the transmission of fly leaf, drives the connecting plate and upwards moves, under the transmission of connecting rod, makes sealed between trapezoidal piece and the trapezoidal mouth, prevents liquid backward flow, and structural connection is stable, utilizes the fly leaf to transmit reset spring's reaction force, reduces connection structure wearing and tearing, improve equipment's life.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a water conservancy check valve.
Background
The check valve is a valve with a circular valve clack and used for blocking the backflow of a medium by the action of the self weight and the pressure of the medium, and belongs to automatic valves, namely a check valve, a one-way valve, a backflow valve or an isolation valve, wherein the medium flows in from a water inlet pipe and flows out from a water outlet pipe, when the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance of the valve clack, the valve is opened, and otherwise, the valve is closed when the medium flows back.
The utility model discloses a water conservancy check valve through retrieving China patent number CN212389806U, which comprises a check valve body, a water inlet and a water outlet, wherein the water inlet is positioned below the check valve body, the water outlet is positioned above the check valve body, two sides of the inner wall of the check valve body are rotationally connected with a partition plate through a rotating shaft, two sides above the partition plate are respectively provided with a control device, the control devices comprise a fixed sleeve, a movable plate, a mounting plate and a reset cavity, the fixed sleeve is positioned on one side of the inner wall of the check valve body, the mounting plate is positioned on one side of the outer wall of the check valve body, and the movable plate is positioned at one end inside the fixed sleeve. This water conservancy check valve can effectively promote the closure of water conservancy check valve for the water conservancy check valve is stronger when closing the closure, can effectively prevent the inside medium refluence of water conservancy check valve, promotes the wholeness ability of water conservancy check valve, can filter the inside quality of water of entering the check valve simultaneously.
However, in the implementation related art, the water conservancy check valve has the following problems: above-mentioned scheme makes the water conservancy check valve stronger when closing, can prevent effectively that the inside medium of water conservancy check valve from flowing backwards, promotes the wholeness ability of water conservancy check valve, but when in actual use, utilizes the baffle upwards to promote the fly leaf and removes to both sides, and vertical effort converts into horizontal effort, and is great to wearing and tearing between fly leaf and the fixed cover, and long-time use can lead to the leakproofness to reduce, influences equipment normal use.
Disclosure of Invention
The utility model provides a water conservancy check valve, which solves the problems that in the prior art, when in actual use, a baffle plate is utilized to push a movable plate to move to two sides, vertical acting force is converted into horizontal acting force, abrasion between the movable plate and a fixed sleeve is large, sealability is reduced after long-time use, and normal use of equipment is affected.
The technical scheme of the utility model is as follows: the water conservancy check valve comprises a valve body, wherein the top of the valve body is fixedly connected with a water inlet pipe, the outer side wall of the water inlet pipe is provided with a control valve, and the bottom of the valve body is fixedly connected with a drain pipe;
the inner wall of the valve body is fixedly provided with a baffle, the top of the baffle is provided with a trapezoid opening, and the inside of the valve body is provided with an anti-reverse mechanism;
the inner wall of the valve body is fixedly provided with a sliding rod, the outer side wall of the sliding rod is connected with two sliding blocks in a sliding mode, and the outer side wall of the sliding rod is sleeved with two reset springs.
Preferably, a sealing port is formed in one side of the valve body, a filter frame is connected to the inner wall of the sealing port in a sliding mode, and a pull block is fixedly arranged on one side of the filter frame.
Preferably, the inside wall of valve body has seted up the standing groove, the inside of standing groove is provided with sealed the pad, sealed pad with the phase-match between the filter frame.
Preferably, two limiting grooves are formed in the inner bottom wall of the valve body, and the two sliding blocks are connected with the two limiting grooves in a sliding mode.
Preferably, the anti-reverse mechanism comprises two limiting rods fixedly connected to the bottom of the partition plate, a connecting plate slidingly connected to the outer side walls of the two limiting rods, two movable plates rotatably connected to the bottom of the connecting plate, two connecting rods fixedly connected to the top of the connecting plate, and a trapezoid block fixedly installed at the top ends of the two connecting rods.
Preferably, the inner side wall of the valve body is fixedly provided with two supporting blocks, the two supporting blocks are fixedly connected with the two limiting rods, and the two movable plates are rotationally connected with the two sliding blocks.
Preferably, the trapezoid blocks are matched with the trapezoid openings, and sealing strips are fixedly connected to the outer side walls of the trapezoid blocks.
Preferably, the front side of the valve body is provided with an access board, and the access board is fixedly connected with the valve body through bolts.
The working principle and the beneficial effects of the utility model are as follows:
according to the utility model, liquid introduced into the water inlet pipe is filtered through the filter frame, the liquid is filtered and then is extruded to move downwards, the liquid is discharged from the water discharge pipe, after the liquid passes through, the two sliding blocks are moved inwards under the action of the reset spring, the connecting plate is driven to move upwards under the transmission of the movable plate, the trapezoid block and the trapezoid port are sealed under the transmission of the connecting rod, the liquid is prevented from flowing back, the structural connection is stable, the reaction force of the reset spring is transmitted by the movable plate, the abrasion of the connecting structure is reduced, and the service life of equipment is prolonged.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic perspective view of a filter frame according to the present utility model;
in the figure: 1. a valve body; 2. a water inlet pipe; 3. a control valve; 4. a drain pipe; 5. a partition plate; 6. a trapezoid opening; 7. an anti-reverse mechanism; 71. a limit rod; 72. a connecting plate; 73. a movable plate; 74. a connecting rod; 75. a trapezoid block; 8. a slide bar; 9. a slide block; 10. a return spring; 11. sealing the mouth; 12. a filter frame; 13. pulling blocks; 14. a placement groove; 15. a sealing gasket; 16. a limit groove; 17. a support block; 18. a sealing strip; 19. and (5) an access panel.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions, a water conservancy check valve: the water inlet pipe 2 is fixedly connected to the top of the valve body 1, the control valve 3 is arranged on the outer side wall of the water inlet pipe 2, and the drain pipe 4 is fixedly connected to the bottom of the valve body 1;
a baffle plate 5 is fixedly arranged on the inner wall of the valve body 1, a trapezoid opening 6 is formed in the top of the baffle plate 5, and an anti-reverse mechanism 7 is arranged in the valve body 1;
the inner wall of the valve body 1 is fixedly provided with a slide bar 8, the outer side wall of the slide bar 8 is connected with two slide blocks 9 in a sliding manner, and the outer side wall of the slide bar 8 is sleeved with two reset springs 10.
When in use, liquid enters the valve body 1 through the water inlet pipe 2, is filtered by the filter frame 12, then presses the trapezoid block 75 to move downwards, is discharged from the water discharge pipe 4, after the liquid passes through, the two sliding blocks 9 move inwards under the action of the reset spring 10, the connecting plate 72 moves upwards under the transmission of the movable plate 73, and the trapezoid block 75 and the trapezoid port 6 are sealed under the transmission of the connecting rod 74, so that the liquid is prevented from flowing back.
Specifically, a sealing port 11 is formed in one side of the valve body 1, a filter frame 12 is slidably connected to the inner wall of the sealing port 11, and a pull block 13 is fixedly mounted on one side of the filter frame 12.
The filter frame 12 is used for filtering the medium, and the filtered foreign matters are convenient to clean.
Specifically, the inside wall of valve body 1 has seted up standing groove 14, and the inside of standing groove 14 is provided with sealed pad 15, matches between sealed pad 15 and the filter frame 12.
The gasket 15 is used for contacting with one side of the filter frame 12, and increasing the sealing effect between the filter frame 12 and the valve body 1.
Specifically, two limiting grooves 16 are formed in the inner bottom wall of the valve body 1, and the two sliding blocks 9 are in sliding connection with the two limiting grooves 16.
The limiting groove 16 is used for limiting the movement of the sliding block 9, so that the stability of the movement of the sliding block 9 is improved.
Specifically, the anti-reverse mechanism 7 comprises two limiting rods 71 fixedly connected to the bottom of the partition plate 5, a connecting plate 72 slidably connected to the outer side walls of the two limiting rods 71, two movable plates 73 rotatably connected to the bottom of the connecting plate 72, two connecting rods 74 fixedly connected to the tops of the connecting plates 72, and trapezoidal blocks 75 fixedly installed at the tops of the two connecting rods 74, two supporting blocks 17 are fixedly installed on the inner side walls of the valve body 1, the two supporting blocks 17 are fixedly connected with the two limiting rods 71, and the two movable plates 73 are rotatably connected with the two sliding blocks 9.
The reverse preventing mechanism 7 mainly drives the trapezoid block 75 to move upwards to seal the trapezoid opening 6 under the action of the connecting rod 74 through lifting of the connecting plate 72, so that backflow of media is prevented.
Specifically, the trapezoid blocks 75 are matched with the trapezoid openings 6, and sealing strips 18 are fixedly connected to the outer side walls of the trapezoid blocks 75.
The trapezoid block 75 is matched with the trapezoid opening 6, and the trapezoid block is sealed under the action of the sealing strip 18.
Specifically, the front side of the valve body 1 is provided with an access panel 19, and the access panel 19 is fixedly connected with the valve body 1 through bolts.
The access panel 19 is convenient for overhaul and maintenance to the internal connection structure of the valve body 1, and prolongs the service life of equipment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The water conservancy check valve comprises a valve body (1) and is characterized in that the top of the valve body (1) is fixedly connected with a water inlet pipe (2), the outer side wall of the water inlet pipe (2) is provided with a control valve (3), and the bottom of the valve body (1) is fixedly connected with a drain pipe (4);
the inner wall of the valve body (1) is fixedly provided with a baffle plate (5), the top of the baffle plate (5) is provided with a trapezoid opening (6), and the inside of the valve body (1) is provided with an anti-reverse mechanism (7);
the inner wall of the valve body (1) is fixedly provided with a sliding rod (8), the outer side wall of the sliding rod (8) is connected with two sliding blocks (9) in a sliding mode, and the outer side wall of the sliding rod (8) is sleeved with two reset springs (10).
2. The water conservancy check valve according to claim 1, wherein a sealing port (11) is formed in one side of the valve body (1), a filter frame (12) is slidably connected to the inner wall of the sealing port (11), and a pull block (13) is fixedly mounted on one side of the filter frame (12).
3. A water conservancy check valve according to claim 2, characterized in that the inner side wall of the valve body (1) is provided with a placement groove (14), the interior of the placement groove (14) is provided with a sealing gasket (15), and the sealing gasket (15) is matched with the filter frame (12).
4. A water conservancy check valve according to claim 1, characterized in that the inner bottom wall of the valve body (1) is provided with two limit grooves (16), and the two slide blocks (9) are slidably connected with the two limit grooves (16).
5. The water conservancy check valve according to claim 1, wherein the anti-reverse mechanism (7) comprises two limiting rods (71) fixedly connected to the bottom of the partition plate (5), a connecting plate (72) slidingly connected to the outer side walls of the two limiting rods (71), two movable plates (73) rotatably connected to the bottom of the connecting plate (72), two connecting rods (74) fixedly connected to the top of the connecting plate (72), and a trapezoid block (75) fixedly installed on the top ends of the two connecting rods (74).
6. The water conservancy check valve according to claim 5, wherein two supporting blocks (17) are fixedly arranged on the inner side wall of the valve body (1), the two supporting blocks (17) are fixedly connected with the two limiting rods (71), and the two movable plates (73) are rotatably connected with the two sliding blocks (9).
7. The water conservancy check valve according to claim 5, wherein the trapezoid block (75) is matched with the trapezoid opening (6), and a sealing strip (18) is fixedly connected to the outer side wall of the trapezoid block (75).
8. A water conservancy check valve according to claim 1, characterized in that the front side of the valve body (1) is provided with an access plate (19), the access plate (19) and the valve body (1) are fixedly connected by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321451459.4U CN220204761U (en) | 2023-06-08 | 2023-06-08 | Water conservancy check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321451459.4U CN220204761U (en) | 2023-06-08 | 2023-06-08 | Water conservancy check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204761U true CN220204761U (en) | 2023-12-19 |
Family
ID=89154911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321451459.4U Active CN220204761U (en) | 2023-06-08 | 2023-06-08 | Water conservancy check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204761U (en) |
-
2023
- 2023-06-08 CN CN202321451459.4U patent/CN220204761U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |