A water flow regulating device and regulating method of a pneumatic diaphragm valve

Abstract

The present invention discloses a pneumatic diaphragm valve water flow regulating device and regulating method, comprising a valve body, a valve cover fixedly connected to the top of the valve body near the middle, and the bottom of the valve cover is communicated with the inside of the valve body, a valve sleeve fixedly connected to the top of the valve cover, a blocking block is installed at the bottom of the inner cavity of the valve body near the middle, a diaphragm is fixedly connected between the bottom of the inner cavity of the valve cover and the top of the valve body, and the bottom of the diaphragm contacts the top of the blocking block, a valve stem is arranged in the valve cover, a straight plate is fixedly connected to the bottom end of the valve stem, and the left and right sides of the straight plate are movably connected to the left and right inner walls of the valve cover respectively, a connecting block is fixedly connected to the bottom of the straight plate, and the bottom of the connecting block is fixedly connected to the top of the diaphragm, a through hole matching the valve stem is provided at the top of the inner cavity of the valve cover, and the water flow of the valve body can be regulated by the cooperation of a pull rod, a handle, a movable plate, a straight rod, a spring, a valve stem, a straight plate, a reed and a diaphragm, thereby achieving the characteristics of good use effect and high practicality.

Description

Technical Field

[0001] The present invention relates to the technical field of pneumatic diaphragm valves, and in particular to a water flow regulating device and a regulating method for a pneumatic diaphragm valve. Background Art

[0002] The pneumatic diaphragm valve is a special form of shut-off valve. Its opening and closing parts are a diaphragm made of soft material, and its activation is controlled by a driving component. It mainly controls the flow and cutoff of water flow by opening and closing the diaphragm. At present, the pneumatic diaphragm valve of the existing technology cannot adjust the water flow, has poor use effect and low practicality. Therefore, we propose a pneumatic diaphragm valve water flow regulating device. Summary of the invention

[0003] The technical problem solved by the present invention is to overcome the defects of the prior art such as poor use effect and low practicality, and provide a pneumatic diaphragm valve water flow regulating device and regulating method. The pneumatic diaphragm valve water flow regulating device and regulating method have the characteristics of good use effect and high practicality.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pneumatic diaphragm valve water flow regulating device, comprising a valve body, a valve cover is fixedly connected to the top of the valve body near the middle, and the bottom of the valve cover is communicated with the inside of the valve body, a valve sleeve is fixedly connected to the top of the valve cover, a block is installed near the middle of the bottom of the inner cavity of the valve body, a diaphragm is fixedly connected between the bottom of the inner cavity of the valve cover and the top of the valve body, and the bottom of the diaphragm is in contact with the top of the block, a valve stem is arranged in the valve cover, and a straight plate is fixedly connected to the bottom end of the valve stem, and the left and right sides of the straight plate are movably connected to the left and right inner walls of the valve cover respectively, and the bottom of the straight plate is fixedly connected to A connecting block is connected, and the bottom of the connecting block is fixedly connected to the top of the diaphragm, a through hole matching the valve stem is opened at the top of the valve cover inner cavity, and the top of the valve stem passes through the through hole and extends into the valve sleeve and is fixedly connected with a movable plate, the top of the valve cover is fixedly connected with straight rods near the left and right sides, and the bottom of the movable plate is respectively provided with movable holes matching the straight rods near the left and right sides, the tops of the two straight rods respectively pass through the movable holes and are fixedly connected to the top of the valve sleeve inner cavity, a pull rod is fixedly connected to the top of the movable plate, and an opening matching the pull rod is opened at the top of the valve sleeve inner cavity, and the top of the pull rod is fixedly connected with a handle through the opening.

[0005] Preferably, reeds are fixedly connected to the left and right sides of the straight plate respectively, and the inner walls on the left and right sides of the valve cover are provided with a plurality of limit grooves matching the reeds.

[0006] Preferably, rectangular blocks are respectively installed on the left and right sides of the movable plate, and the front walls of the two rectangular blocks are movably connected with inclined rods through rotating shafts and bearings, the two ends of the two inclined rods that are away from each other are respectively fixedly connected with pulleys, and the inner walls on the left and right sides of the valve sleeve are provided with sliding grooves matching the pulleys.

[0007] Preferably, two springs are fixedly connected between the top of the movable plate and the top of the inner cavity of the valve sleeve, and the two springs are arranged on the left and right.

[0008] Preferably, the outer wall of the handle is provided with an anti-slip cover, and the anti-slip cover is provided with anti-slip patterns.

[0009] Preferably, the top of the valve sleeve is fixedly connected to scales near the left and right sides, and the anti-slip sleeve is fixedly connected to thin rods near the bottom on the left and right sides, and the ends of the two thin rods that are far away from each other are fixedly connected to pointers, and the ends of the two pointers that are far away from each other are respectively in contact with the sides of the two scales that are close to each other.

[0010] Preferably, two mounting blocks are fixedly connected to the left and right sides of the valve sleeve near the top, a protective cover is provided above the valve sleeve, and grooves matching the protective covers are provided on the tops of the two mounting blocks, the bottoms of the protective covers pass through notches near the left and right sides respectively, and extend into the grooves to contact the bottoms of the grooves, plug rods are provided on the left and right sides of the two mounting blocks, and through holes matching the plug rods are provided on the left and right sides of the two mounting blocks, and slots matching the plug rods are provided on the left and right sides of the protective cover, and the ends of the two plug rods that are close to each other pass through the through holes respectively and extend into the slots.

[0011] A method for regulating a water flow regulating device of a pneumatic diaphragm valve, comprising the following steps:

[0012] S1: First pull out the rod to keep it away from the slot, then remove the protective cover for easy disassembly;

[0013] S2: Then pull the handle to drive the pull rod and the movable plate to move upward, and the two inclined rods move with the movable plate with the assistance of the pulley and the slide groove, and the spring buffers the movement of the movable plate through the elastic stretching effect;

[0014] S3: Then the movable plate drives the straight plate to move upward through the valve stem, and the straight plate drives the diaphragm to move upward through the connecting block, away from the blocking block, so that the valve body is opened;

[0015] S4: Finally, the reeds on both sides of the straight plate move away from the corresponding limiting grooves at this time, and the water flow rate can be adjusted by moving the reeds to the limiting grooves at different heights.

[0016] Compared with the prior art, the beneficial effects of the present invention are: in the present technical scheme, through the mutual cooperation of the pull rod, handle, movable plate, straight rod, spring, valve stem, straight plate, reed and diaphragm, the water flow of the valve body can be regulated, thereby improving the use effect and practicality, while the protective cover protects the handle and scale to avoid damage, and the plug-in rod can realize the convenient disassembly of the protective cover, thereby achieving the characteristics of good use effect and high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the original structural diagram of the present invention;

[0018] Figure 2 for Figure 1 A in the enlarged view;

[0019] Figure 3 for Figure 1 Enlarged view of point B in .

[0020] Numbers in the figure: 1. Valve body; 2. Valve cover; 3. Valve sleeve; 4. Diaphragm; 5. Block; 6. Connecting block; 7. Straight plate; 8. Valve stem; 9. Reed; 10. Movable plate; 11. Pull rod; 12. Straight rod; 13. Spring; 14. Handle; 15. Anti-slip cover; 16. Oblique rod; 17. Scale; 18. Pointer; 19. Protective cover; 20. Mounting block; 21. Insert rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-3The present invention provides a technical solution: a pneumatic diaphragm valve water flow regulating device, comprising a valve body 1, a valve cover 2 is fixedly connected to the top of the valve body 1 near the middle, and the bottom of the valve cover 2 is connected to the inside of the valve body 1, a valve sleeve 3 is fixedly connected to the top of the valve cover 2, a blocking block 5 is installed near the middle of the bottom of the inner cavity of the valve body 1, a diaphragm 4 is fixedly connected between the bottom of the inner cavity of the valve cover 2 and the top of the valve body 1, and the bottom of the diaphragm 4 is in contact with the top of the blocking block 5, a valve stem 8 is arranged in the valve cover 2, and a straight plate 7 is fixedly connected to the bottom end of the valve stem 8, and the left and right sides of the straight plate 7 are respectively movably connected to the left and right inner walls of the valve cover 2, and the left and right sides of the straight plate 7 are respectively fixedly connected to reeds 9, and the left and right inner walls of the valve cover 2 are provided with a plurality of limit grooves matching the reeds 9, and the straight The bottom of the plate 7 is fixedly connected with a connecting block 6, and the bottom of the connecting block 6 is fixedly connected with the top of the diaphragm 4. A through hole matching the valve stem 8 is provided at the top of the inner cavity of the valve cover 2, and the top of the valve stem 8 passes through the through hole and extends into the valve sleeve 3 to be fixedly connected with a movable plate 10. Rectangular blocks are respectively installed on the left and right sides of the movable plate 10, and the front walls of the two rectangular blocks are respectively connected with inclined rods 16 through rotating shafts and bearings. The ends of the two inclined rods 16 that are away from each other are respectively fixedly connected with pulleys, and the inner walls of the left and right sides of the valve sleeve 3 are provided with sliding grooves matching the pulleys. The top of the valve cover 2 is respectively fixedly connected with straight rods 12 near the left and right sides, and the bottom of the movable plate 10 is respectively provided with movable holes matching the straight rods 12 near the left and right sides. The tops of the two straight rods 12 They are respectively fixedly connected to the top of the inner cavity of the valve sleeve 3 through the movable holes, two springs 13 are fixedly connected between the top of the movable plate 10 and the top of the inner cavity of the valve sleeve 3, and the two springs 13 are arranged on the left and right sides, a pull rod 11 is fixedly connected to the top of the movable plate 10, and an opening matching the pull rod 11 is opened at the top of the inner cavity of the valve sleeve 3, a handle 14 is fixedly connected to the top of the pull rod 11 through the opening, an anti-slip sleeve 15 is provided on the outer wall of the handle 14, and the anti-slip sleeve 15 is provided with anti-slip patterns, a scale 17 is fixedly connected to the top of the valve sleeve 3 near the left and right sides, and thin rods are fixedly connected to the left and right sides of the anti-slip sleeve 15 near the bottom, the ends of the two thin rods away from each other are fixedly connected to pointers 18, and the ends of the two pointers 18 away from each other are respectively connected to the two scales 1 7 is in contact with each other, and the water flow regulation of the valve body 1 can be realized through the cooperation of the pull rod 11, the handle 14, the movable plate 10, the straight rod 12, the spring 13, the valve stem 8, the straight plate 7, the reed 9 and the diaphragm 4, so as to improve the use effect and practicality. The left and right sides of the valve sleeve 3 are respectively fixedly connected with two mounting blocks 20 near the top, a protective cover 19 is arranged above the valve sleeve 3, and the tops of the two mounting blocks 20 are respectively provided with grooves matching the protective covers 19, the bottoms of the protective covers 19 pass through the notches near the left and right sides, and extend into the grooves to contact with the bottoms of the grooves, the left and right sides of the two mounting blocks 20 are respectively provided with plug rods 21, and the left and right sides of the two mounting blocks 20 are respectively provided with through holes matching the plug rods 21,In addition, slots matching the insertion rods 21 are provided on both sides of the protective cover 19. The ends of the two insertion rods 21 that are close to each other pass through the perforations and extend into the slots. The protective cover 19 protects the handle 14 and the scale 17 from damage. The insertion rods 21 can realize the convenient disassembly of the protective cover 19, thereby achieving the characteristics of good use effect and high practicality.

[0023] A pneumatic diaphragm valve water flow regulating device and regulating method, comprising the following steps:

[0024] S1: First, pull out the plug rod (21) to keep it away from the slot, and then remove the protective cover (19) to achieve convenient disassembly;

[0025] S2: Then the handle (14) is pulled, so that it drives the pull rod (11) and the movable plate (10) to move upward, and the two inclined rods (16) move along with the movable plate (10) with the assistance of the pulley and the slide groove, and the spring (13) assists in buffering the movement of the movable plate (10) through the elastic stretching effect;

[0026] S3: Then the movable plate (10) drives the straight plate (7) to move upwards through the valve stem (8), and the straight plate (7) drives the diaphragm (4) to move upwards through the connecting block (6) and away from the blocking block (5), thereby realizing the opening of the valve body (1);

[0027] S4: Finally, the reeds (9) on both sides of the straight plate (7) move away from the corresponding limiting grooves at this time, and the reeds (9) move to limiting grooves at different heights, thereby achieving the adjustment of the water flow rate.

[0028] Working principle: In the present technical scheme, firstly unplug the plug rod 21 to make it away from the slot, then remove the protective cover 19 to realize convenient disassembly, and then pull the handle 14 to drive the pull rod 11 and the movable plate 10 to move upward, and the two inclined rods 16 move with the movable plate 10 with the assistance of the pulley and the slide groove, and the spring 13 assists the movement of the movable plate 10 through the elastic stretching effect to buffer the movement of the movable plate 10, and the movable plate 10 drives the straight plate 7 to move upward through the valve stem 8, and the straight plate 7 drives the diaphragm 4 to move upward through the connecting block 6, away from the blocking block 5, so as to realize the opening of the valve body 1, and the reeds 9 on both sides of the straight plate 7 move away from the corresponding limit grooves at this time as it moves, and the water flow can be adjusted by moving the reeds 9 to the limit grooves at different heights, and the scale 17 and the pointer 18 can make the observation of the adjustment of the water flow more careful, so as to achieve the characteristics of good use effect and high practicality.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pneumatic diaphragm valve water flow regulating device, comprising a valve body (1), characterized in that: A valve cover (2) is fixedly connected to the top of the valve body (1) near the middle, and the bottom of the valve cover (2) is connected to the inside of the valve body (1). A valve sleeve (3) is fixedly connected to the top of the valve cover (2). A blocking block (5) is installed near the middle of the bottom of the inner cavity of the valve body (1). A diaphragm (4) is fixedly connected between the bottom of the inner cavity of the valve cover (2) and the top of the valve body (1), and the bottom of the diaphragm (4) is in contact with the top of the blocking block (5). A valve stem (8) is provided in the valve cover (2), and a straight plate (7) is fixedly connected to the bottom end of the valve stem (8), and the left and right sides of the straight plate (7) are movably connected to the left and right inner walls of the valve cover (2) respectively. The bottom of the straight plate (7) is fixedly connected to a connecting block (6), and the bottom of the connecting block (6) is in contact with the diaphragm (4). The top of the valve cover (2) is fixedly connected, a through hole matching the valve stem (8) is opened at the top of the inner cavity of the valve cover (2), and the top of the valve stem (8) passes through the through hole and extends into the valve sleeve (3) to be fixedly connected with a movable plate (10), the top of the valve cover (2) is fixedly connected with straight rods (12) near the left and right sides, and the bottom of the movable plate (10) is respectively opened near the left and right sides to match the straight rods (12), the tops of the two straight rods (12) respectively pass through the movable holes and are fixedly connected to the top of the inner cavity of the valve sleeve (3), the top of the movable plate (10) is fixedly connected with a pull rod (11), and the top of the inner cavity of the valve sleeve (3) is opened with an opening matching the pull rod (11), and the top of the pull rod (11) passes through the opening and is fixedly connected with a handle (14); The left and right sides of the straight plate (7) are respectively fixedly connected with reeds (9), and the inner walls on the left and right sides of the valve cover (2) are each provided with a plurality of limit grooves matching the reeds (9); Rectangular blocks are respectively installed on the left and right sides of the movable plate (10), and the front walls of the two rectangular blocks are movably connected to inclined rods (16) through rotating shafts and bearings, and the ends of the two inclined rods (16) that are away from each other are respectively fixedly connected to pulleys, and the inner walls of the left and right sides of the valve sleeve (3) are both provided with sliding grooves matching the pulleys.

2. The pneumatic diaphragm valve water flow regulating device according to claim 1, characterized in that: Two springs (13) are fixedly connected between the top of the movable plate (10) and the top of the inner cavity of the valve sleeve (3), and the two springs (13) are arranged on the left and right.

3. The pneumatic diaphragm valve water flow regulating device according to claim 1, characterized in that: The outer wall of the handle (14) is provided with an anti-slip sleeve (15), and the anti-slip sleeve (15) is provided with anti-slip patterns.

4. The pneumatic diaphragm valve water flow regulating device according to claim 1, characterized in that: The top of the valve sleeve (3) is respectively fixedly connected to scales (17) near the left and right sides, and the anti-slip sleeve (15) is fixedly connected to thin rods near the bottom on the left and right sides, and the ends of the two thin rods that are far away from each other are fixedly connected to pointers (18), and the ends of the two pointers (18) that are far away from each other are respectively in contact with the sides of the two scales (17) that are close to each other.

5. The pneumatic diaphragm valve water flow regulating device according to claim 1, characterized in that: Two mounting blocks (20) are fixedly connected to the left and right sides of the valve sleeve (3) near the top, respectively; a protective cover (19) is provided above the valve sleeve (3), and the tops of the two mounting blocks (20) are provided with grooves matching the protective cover (19); the bottoms of the protective cover (19) pass through the notches near the left and right sides, respectively, and extend into the grooves to contact the bottoms of the grooves; plug rods (21) are provided on the left and right sides of the two mounting blocks (20), and through holes matching the plug rods (21) are provided on the left and right sides of the two mounting blocks (20); and slots matching the plug rods (21) are provided on the left and right sides of the protective cover (19); and the ends of the two plug rods (21) that are close to each other pass through the through holes, respectively, and extend into the slots.

6. The method for regulating the water flow regulating device of a pneumatic diaphragm valve according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1: First, pull out the plug rod (21) to keep it away from the slot, and then remove the protective cover (19) to achieve convenient disassembly; S2: Then the handle (14) is pulled, so that it drives the pull rod (11) and the movable plate (10) to move upward, and the two inclined rods (16) move along with the movable plate (10) with the assistance of the pulley and the slide groove, and the spring (13) assists in buffering the movement of the movable plate (10) through the elastic stretching effect; S3: Then the movable plate (10) drives the straight plate (7) to move upwards through the valve stem (8), and the straight plate (7) drives the diaphragm (4) to move upwards through the connecting block (6) and away from the blocking block (5), thereby realizing the opening of the valve body (1); S4: Finally, the reeds (9) on both sides of the straight plate (7) move away from the corresponding limiting grooves at this time, and the reeds (9) move to limiting grooves at different heights, thereby achieving the adjustment of the water flow rate.

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