Mixed fluid regulating valve

Abstract

The utility model relates to the technical field of valves, and discloses a mixed fluid regulating valve which comprises a valve body and a machine case, input pipes are arranged on the two sides of the valve body, the machine case is fixedly arranged at the top end of the valve body, a gear is rotationally connected to the interior of the machine case through a main shaft, the main shaft is driven by a driving assembly to rotate, and the main shaft is driven by a driving assembly to rotate. The gear is connected with a rack in an engaged mode, the rack is slidably connected with the machine box, one side of the rack is fixedly connected with a lifting plate, and a fluid adjusting assembly is arranged on one side of the bottom end of the lifting plate. The fluid adjusting device has the advantages that the main shaft is driven by the driving assembly, the main shaft can drive the two racks to move in the opposite directions through the gear, the two racks can drive the two fluid adjusting assemblies to adjust the fluid flow through the lifting plate, and when the two fluid adjusting assemblies move in the forward and reverse directions, the fluid flow can be adjusted. The fluid of one input pipe can be increased, and the fluid of the other input pipe can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a mixed fluid regulating valve. Background Art

[0002] The regulating valve, also known as the control valve, is a final control element in the field of industrial automation process control that receives the control signal output by the regulating control unit and uses power operation to change process parameters such as medium flow, pressure, temperature, and liquid level. It is generally composed of an actuator and a valve. According to the stroke characteristics, it can be divided into linear stroke and angular stroke.

[0003] Its application number is "CN202023190227.7" and disclosed "a lever-type fine-tuning fluid distribution regulating valve", which "comprises a pipeline and a fixing device, a valve is provided at one end of the pipeline, a switch is movably connected to one end of the valve, a support column is fixedly connected to one end of the valve, one end of the switch is slidably connected to the support column, a fixing device is provided on the surface of the support column, the fixing device comprises a fixing column, one end of the fixing column is fixedly connected to the support column, a clamping plate is rotatably connected to the surface of the fixing column, the clamping plate is in an "L" shape, and a through hole is opened on the short arm of the clamping plate, one end of the support column is fixedly connected to a rectangular block, the interior of the rectangular block is slidably connected to a limiting column, and the size of the limiting column matches the size of the through hole." In the utility model, by setting a fixing device, pressing the switch, the switch slides toward the fixing device, so that the regulating valve is opened. When the switch slides, the card plate on the fixing column is first rotated so that the "L"-shaped card plate is turned to the card block, and then the sliding column in the connecting column is slid, and the sliding column drives the card block to move toward the card plate, so that the "U"-shaped card block clamps the card plate. At this time, the switch slides, and when the card is opened, the card block is taken out from the card plate, and the card plate is rotated. The card plate rotates toward the rectangular block, so that the "L"-shaped card plate clamps the switch.

[0004] However, the above method still has the following defects: the regulating valve uses a lever to achieve fluid distribution and mixing, but the operation is cumbersome and requires sliding switches, rotating card plates, and sliding slides. The adjustment process is labor-intensive and time-consuming. Utility Model Content

[0005] The utility model aims to provide a mixed fluid regulating valve to solve the problems in the above background technology that the operation is complicated and the regulating process is labor-intensive and time-consuming.

[0006] The utility model provides the following technical solutions: a mixed fluid regulating valve, comprising a valve body and a chassis, both sides of the valve body are provided with input pipes, the top of the valve body is fixedly provided with a chassis, the interior of the chassis is connected with a gear through the rotation of a main shaft, and the main shaft is driven to rotate by a driving component, the gear is meshingly connected with a rack, two racks are provided, and they move in opposite directions, the rack is slidably connected to the chassis, one side of the rack is fixedly connected with a lifting plate, one side of the bottom end of the lifting plate is provided with a fluid regulating component, the interior of the valve body is fixedly provided with a partition, and the surface of the partition is provided with a mixing hole.

[0007] As a preferred technical solution of the utility model, an output pipe is provided at the bottom end of the valve body, the input end of the output pipe and the output end of the input pipe are both welded to the valve body, and the output end of the output pipe and the input end of the input pipe are both welded with flanges.

[0008] As a preferred technical solution of the utility model, the driving assembly includes a protective cover and a motor, the motor is fixedly mounted on the bottom end of the protective cover, the output shaft of the motor is connected to a worm, the worm is meshingly connected to a worm wheel, and the middle part of the worm wheel is fixedly connected to one end of the main shaft.

[0009] As a preferred technical solution of the utility model, one side of the protective cover is fixedly connected to the top of the chassis, the surface of the chassis is fixedly connected to the box cover by bolts, and the surface of the protective cover is fixedly connected to the inspection cover by bolts.

[0010] As a preferred technical solution of the utility model, a slider is fixedly provided on the top of the rack, guide rails are fixedly provided on the inner walls on both sides of the chassis, the slider is slidably connected to the guide rails, plate grooves are opened on both sides of the chassis, and the lifting plate is slidably connected to the plate grooves.

[0011] As a preferred technical solution of the utility model, the fluid regulating assembly includes a valve plate and a telescopic rod, the valve plate is slidably connected to the inside of the valve body, a sealing ring is provided on one side of the valve plate, a telescopic rod is welded to the middle part of the top end of the valve plate, and the top end of the telescopic rod is welded to the bottom end of the lifting plate.

[0012] As a preferred technical solution of the utility model, two baffles are fixedly provided inside the valve body, the valve plate is slidably connected to the baffle, and through holes are opened on the surface of the baffle.

[0013] As a preferred technical solution of the utility model, rod sleeves are fixedly provided on both sides of the top of the valve body, a sealing ring is snap-connected inside the rod sleeve, and the telescopic rod is slidably connected to the rod sleeve.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The mixed fluid regulating valve drives the main shaft through the driving component. The main shaft can drive the two racks to move in opposite directions through the gear. The two racks can drive the two fluid regulating components to adjust the fluid flow through the lifting plate, so as to realize the distribution of different fluids. When the two fluid regulating components move in the positive and negative directions, the fluid in one of the input pipes can be increased and the fluid in the other input pipe can be reduced. The operation is simple, which saves the manpower and time required for fluid regulation, and the adjustment accuracy can be guaranteed by the meshing of the gear rack.

[0016] 2. The mixed fluid regulating valve can realize self-locking of the main shaft after the driving component adjusts the fluid. The main shaft can lock the fluid regulating component through the engagement of the gear and the rack. It is safe and reliable, has good pressure resistance, and is not easy to loosen. After different fluids enter the valve body through the input pipe, the partition can disperse and mix the fluids through the mixing hole, thereby improving the mixing effect of the fluids. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural diagrams of the utility model;

[0018] Figure 2 This is the second structural diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure inside the chassis of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure inside the valve body of the utility model.

[0022] In the figure: 1. valve body; 2. input pipe; 3. output pipe; 4. chassis; 5. box cover; 6. main shaft; 7. gear; 8. rack; 9. slider; 10. guide rail; 11. lifting plate; 12. plate groove; 13. drive assembly; 1301. protective cover; 1302. motor; 1303. worm; 1304. worm wheel; 1305. inspection cover; 14. fluid regulating assembly; 1401. valve plate; 1402. sealing ring; 1403. telescopic rod; 15. rod sleeve; 16. sealing ring; 17. baffle; 18. through hole; 19. partition; 20. mixing hole. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] See also Figures 1 to 5In the embodiment of the utility model, the mixed fluid regulating valve comprises a valve body 1 and a chassis 4. Both sides of the valve body 1 are provided with input pipes 2, and different flows can be input through the two input pipes 2. The top of the valve body 1 is fixedly provided with a chassis 4. The interior of the chassis 4 is rotatably connected with a gear 7 through a main shaft 6, and the main shaft 6 is driven to rotate by a driving component 13. The gear 7 is meshed and connected with a rack 8. There are two racks 8, and they move in opposite directions. The main shaft 6 is driven by the driving component 13. The main shaft 6 can drive the two racks 8 to move in opposite directions through the gear 7. The rack 8 is slidably connected to the chassis 4. A lifting plate 11 is fixedly connected to one side of the rack 8. A fluid regulating component 14 is provided on one side of the bottom end of the lifting plate 11. The two racks 8 can drive the two fluid regulating components 14 to adjust the fluid flow through the lifting plate 11, and can increase the fluid in one of the input pipes 2 and reduce the fluid in the other input pipe 2. A partition 19 is fixedly provided inside the valve body 1, and a mixing hole 20 is provided on the surface of the partition 19.

[0025] In this embodiment, preferably, an output pipe 3 is provided at the bottom end of the valve body 1, and the input end of the output pipe 3 and the output end of the input pipe 2 are both welded to the valve body 1, and the output end of the output pipe 3 and the input end of the input pipe 2 are both welded with flanges, and the input pipe 2 and the output pipe 3 can be connected to the fluid pipeline through the flange, and the output pipe 3 can output the mixed fluid;

[0026] In this embodiment, preferably, the driving assembly 13 includes a protective cover 1301 and a motor 1302, the motor 1302 is fixedly installed at the bottom end of the protective cover 1301, the output shaft of the motor 1302 is connected to a worm 1303, the worm 1303 is meshingly connected to a worm wheel 1304, the middle part of the worm wheel 1304 is fixedly connected to one end of the main shaft 6, the protective cover 1301 can provide protection for the worm 1303 and the worm wheel 1304, the worm 1303 is driven by the motor 1302, and the worm 1303 can drive the main shaft 6 to rotate through the worm wheel 1304, and after the motor 1302 stops working, the worm 1303 can achieve self-locking of the main shaft 6 through the angular friction between the worm 1303 and the worm wheel 1304;

[0027] In this embodiment, preferably, one side of the protective cover 1301 is fixedly connected to the top of the chassis 4, the surface of the chassis 4 is fixedly connected with a box cover 5 by bolts, and the surface of the protective cover 1301 is fixedly connected with an inspection cover 1305 by bolts, and the box cover 5 and the inspection cover 1305 are convenient for repair and maintenance activities;

[0028] In this embodiment, preferably, a slider 9 is fixedly provided at the top of the rack 8, and guide rails 10 are fixedly provided on the inner walls on both sides of the chassis 4. The slider 9 is slidably connected to the guide rails 10, and the rack 8 can be guided by the slider 9 and the guide rails 10 to prevent the rack 8 from tilting. Plate grooves 12 are provided on both sides of the chassis 4, and the lifting plate 11 is slidably connected to the plate grooves 12. The lifting plate 11 can be guided by the plate grooves 12 to prevent the lifting plate 11 from tilting;

[0029] In this embodiment, preferably, the fluid regulating assembly 14 includes a valve plate 1401 and a telescopic rod 1403, the valve plate 1401 is slidably connected to the inside of the valve body 1, a sealing ring 1402 is provided on one side of the valve plate 1401, a telescopic rod 1403 is welded to the middle of the top of the valve plate 1401, and the top of the telescopic rod 1403 is welded to the bottom of the lifting plate 11. By controlling the telescopic rod 1403 to extend and retract and adjusting the height of the valve plate 1401, the size of the fluid channel can be changed, and the flow rate of the fluid can be adjusted;

[0030] In this embodiment, preferably, two baffles 17 are fixedly provided inside the valve body 1, and the valve plate 1401 is slidably connected to the baffle 17. The baffle 17 can ensure the stability of the valve plate 1401 and prevent the valve plate 1401 from shaking. A through hole 18 is opened on the surface of the baffle 17, and the through hole 18 can ensure that the fluid flows through the baffle 17;

[0031] In this embodiment, preferably, rod sleeves 15 are fixedly provided on both sides of the top of the valve body 1, and a sealing ring 16 is snap-connected inside the rod sleeve 15. The telescopic rod 1403 is slidably connected to the rod sleeve 15. The rod sleeve 15 can guide the telescopic rod 1403, and the sealing ring 16 can seal between the telescopic rod 1403 and the rod sleeve 15 to prevent fluid leakage.

[0032] When in use, firstly, the input pipe 2 is connected to different fluid pipelines through the flange, and then the output pipe 3 is connected to the fluid mixing pipeline through the flange. The fluid enters the valve body 1 through the input pipe 2 for mixing. The through hole 18 on the surface of the baffle 17 can ensure the flow of the fluid. When the fluid passes through the partition 19, the partition 19 can disperse and mix the fluid through the mixing hole 20, which can improve the mixing effect of the fluid, and then enters the fluid mixing pipeline through the output pipe 3;

[0033] When the fluid flow needs to be distributed and adjusted, the motor 1302 drives the worm 1303, the worm 1303 drives the main shaft 6 to rotate through the worm wheel 1304, the main shaft 6 drives the two racks 8 to move in opposite directions through the gear 7, and the two racks 8 drive the valve plates 1401 of the two fluid regulating components 14 to move in opposite directions through the lifting plate 11, and the input amount of the input pipe 2 can be adjusted, so that the fluid in one of the input pipes 2 can be increased and the fluid in the other input pipe 2 can be reduced, so that the distribution of different fluids can be achieved;

[0034] In this process, the plate groove 12 can guide the lifting plate 11 to prevent the lifting plate 11 from tilting, the slider 9 and the guide rail 10 can guide the rack 8 to prevent the rack 8 from tilting, and the baffle 17 can ensure the stability of the valve plate 1401 to prevent the valve plate 1401 from shaking;

[0035] After stopping the operation of the motor 1302, the worm 1303 can achieve self-locking of the main shaft 6 through the angular friction between the worm gear 1304, and the main shaft 6 can lock the fluid regulating assembly 14 through the engagement of the gear 7 and the rack 8. It has good pressure resistance and is not easy to loosen. The sealing ring 16 can seal between the telescopic rod 1403 and the rod sleeve 15, and the sealing ring 1402 can ensure the sealing of the valve plate 1401.

[0036] 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 mixed fluid regulating valve, comprising a valve body (1) and a housing (4), characterized in that: Input pipes (2) are provided on both sides of the valve body (1). A chassis (4) is fixedly provided at the top of the valve body (1). The interior of the chassis (4) is rotatably connected to a gear (7) via a main shaft (6), and the main shaft (6) is driven to rotate via a driving assembly (13). The gear (7) is meshingly connected to a rack (8). Two racks (8) are provided and move in opposite directions. The rack (8) is slidably connected to the chassis (4). A lifting plate (11) is fixedly connected to one side of the rack (8). A fluid regulating assembly (14) is provided on one side of the bottom end of the lifting plate (11). A partition (19) is fixedly provided inside the valve body (1), and a mixing hole (20) is provided on the surface of the partition (19).

2. The mixed fluid regulating valve according to claim 1, characterized in that: An output pipe (3) is provided at the bottom end of the valve body (1); the input end of the output pipe (3) and the output end of the input pipe (2) are both welded to the valve body (1); and the output end of the output pipe (3) and the input end of the input pipe (2) are both welded with flanges.

3. The mixed fluid regulating valve according to claim 1, characterized in that: The driving assembly (13) comprises a protective cover (1301) and a motor (1302), wherein the motor (1302) is fixedly mounted on the bottom end of the protective cover (1301), the output shaft of the motor (1302) is connected to a worm (1303), the worm (1303) is meshingly connected to a worm wheel (1304), and the middle portion of the worm wheel (1304) is fixedly connected to one end of the main shaft (6).

4. The mixed fluid regulating valve according to claim 3, characterized in that: One side of the protective cover (1301) is fixedly connected to the top of the chassis (4), the surface of the chassis (4) is fixedly connected to a box cover (5) by bolts, and the surface of the protective cover (1301) is fixedly connected to an inspection cover (1305) by bolts.

5. The mixed fluid regulating valve according to claim 1, characterized in that: A slider (9) is fixedly provided at the top end of the rack (8), guide rails (10) are fixedly provided on the inner walls of both sides of the chassis (4), the slider (9) is slidably connected to the guide rails (10), plate grooves (12) are provided on both sides of the chassis (4), and the lifting plate (11) is slidably connected to the plate grooves (12).

6. The mixed fluid regulating valve according to claim 1, characterized in that: The fluid regulating assembly (14) comprises a valve plate (1401) and a telescopic rod (1403); the valve plate (1401) is slidably connected to the inside of the valve body (1); a sealing ring (1402) is provided on one side of the valve plate (1401); a telescopic rod (1403) is welded to the middle of the top end of the valve plate (1401); and the top end of the telescopic rod (1403) is welded to the bottom end of the lifting plate (11).

7. The mixed fluid regulating valve according to claim 6, characterized in that: Two baffles (17) are fixedly arranged inside the valve body (1), the valve plate (1401) is slidably connected to the baffles (17), and a through hole (18) is opened on the surface of the baffle (17).

8. The mixed fluid regulating valve according to claim 6, characterized in that: Rod sleeves (15) are fixedly provided on both sides of the top end of the valve body (1), a sealing ring (16) is snap-fitted inside the rod sleeve (15), and the telescopic rod (1403) is slidably connected to the rod sleeve (15).

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