Control assembly and multi-stage depressurization small-flow regulating valve

Abstract

The utility model relates to the technical field of regulating valves, and particularly discloses a control assembly and a multi-stage depressurization small-flow regulating valve, which comprise a limiting outer frame, a regulating assembly arranged in the limiting outer frame, a limiting hole formed in the surface of the limiting outer frame, a fixed base arranged at one end of the regulating assembly, a ball valve arranged at one end of the fixed base, and a valve rod arranged at the other end of the ball valve. The other end of the fixing base is provided with a sealing rotary disc, an inner ring groove and a guide groove are formed in the fixing base, the two ends of the conveying pipeline are provided with connecting flanges, the surface of the conveying pipeline is provided with a valve body base, and the surface of the valve body base is provided with a limiting assembly. The adjusting valve has the advantages that the limiting assembly is used for limiting the control disc, the problem that when the control disc is not used, the control disc rotates due to mistaken touch, and then the machining operation progress is affected is solved, and the stability of the adjusting valve in the working process is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of regulating valves, in particular to a control component and a multi-stage pressure-reducing small-flow regulating valve. Background Art

[0002] The regulating valve is installed on the boiler pipeline to provide water flow to meet the needs of various load operations of the boiler. According to the operating conditions or the requirements of the production process, with the help of manpower or automatic devices, the flow area of ​​the valve port is changed or the damping of the water flow channel is increased or decreased to make corresponding changes in the outlet flow or pressure.

[0003] In the prior art, when most of the regulating valves are opened or closed, workers are required to manually rotate the control disk to achieve the flow of fluid to ensure the smooth progress of the processing operation.

[0004] However, the traditional regulating valve lacks a limit assembly, and the control disc of the regulating valve is prone to accidental touch and rotation when idle, thereby affecting the progress of the processing operation. Therefore, the utility model proposes a control assembly and a multi-stage step-down small flow regulating valve to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a control component and a multi-stage pressure-reducing small flow regulating valve to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a control component, the control component comprising: a limit outer frame, an adjustment component is arranged inside the limit outer frame, a limit hole is provided on the surface of the limit outer frame, a fixed base is arranged at one end of the adjustment component, a ball valve is arranged at one end of the fixed base, a sealing rotary disk is arranged at the other end of the fixed base, and an inner ring groove and a guide groove are arranged inside the fixed base;

[0007] The conveying pipeline is provided with connecting flanges at both ends of the conveying pipeline, a valve body base is provided on the surface of the conveying pipeline, and a limit position component is provided on the surface of the valve body base.

[0008] Preferably, the adjustment component includes a control disk, a valve stem, a first spring and a guide block. An inner cavity is opened inside the limit outer frame, and the adjustment component is arranged in the inner cavity. One end of the first spring is fixedly connected to the limit outer frame, and the other end of the first spring is fixedly connected to the sealing turntable. The limit outer frame is fixedly connected to the valve stem.

[0009] Preferably, the control disk is fixedly connected to the valve stem, a guide block is fixed to the end of the valve stem, the valve stem and the fixed base are rotatably connected, the guide block and the inner ring groove are rotatably connected, and the guide block and the guide groove are matched.

[0010] Preferably, an inner slide groove is provided inside the valve body base, the inner slide groove and the sealing turntable are rotatably connected, and the fixed base is located inside the valve body base.

[0011] Preferably, the limit assembly includes a limit seat, a column, a second spring, a connecting block and a handle, a through hole is opened on the surface of the limit seat, the insertion rod is inserted into the through hole, a connecting block is fixed on the end surface of the insertion rod, a second spring is sleeved on the surface of the insertion rod, one end of the second spring is fixedly connected to the connecting block, and the other end of the second spring is fixedly connected to the limit seat.

[0012] Preferably, a handle is fixed on the surface of the connecting block, and anti-slip grooves are provided inside the handle. Three groups of limit assemblies are provided, and the three groups of limit assemblies are evenly distributed on the surface of the valve body base.

[0013] Preferably, a plurality of the limiting holes are provided, and the plurality of limiting holes are evenly distributed on the surface of the limiting outer frame, and the insertion rod can be inserted into the limiting holes.

[0014] A multi-stage pressure-reducing small flow regulating valve comprises the control component.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model proposes a control component and a multi-stage pressure-reducing small-flow regulating valve, which utilize a set limit component to limit the control disk, thereby preventing the control disk from being accidentally touched and rotating when idle, thereby affecting the progress of the processing operation, and effectively improving the stability of the regulating valve during operation. On the other hand, utilizing the set regulating component, when it is necessary to rotate the ball valve to control the flow, first, the limit of the limit component on the limit outer frame is released, and then the control disk is manually pushed outward to stretch the first spring and embed the guide block into the guide groove at the same time, and then the control disk is rotated to achieve control of the ball valve, thereby further improving the stability of the control valve, thus avoiding the problem that the traditional regulating valve lacks a limit component, the control disk of the regulating valve is easily accidentally touched and rotated when idle, thereby affecting the progress of the processing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is the front view of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the limiting outer frame of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0021] Figure 5This is a schematic diagram of the internal structure of the fixed base of the utility model;

[0022] Figure 6 This is a schematic diagram of the guide block structure of the utility model.

[0023] In the figure: 1. Connecting flange; 2. Delivery pipeline; 3. Valve body base; 4. Limit hole; 5. Valve stem; 6. Adjustment assembly; 7. Limit outer frame; 8. Limit assembly; 9. Ball valve; 10. Fixed base; 11. Sealing turntable; 12. Guide block; 13. Inner cavity; 14. Guide groove; 15. Control plate; 16. Inner ring groove;

[0024] 17. First spring; 18. Limit seat; 19. Handle; 20. Connecting block; 21. Through hole; 22. Second spring; 23. Inner slide groove; 24. Insert column; 25. Anti-slip pattern. DETAILED DESCRIPTION

[0025] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] See also Figure 1-Figure 6 The utility model provides a technical solution: a control component, the control component comprising: a limit outer frame 7, an adjustment component 6 is arranged inside the limit outer frame 7, a limit hole 4 is provided on the surface of the limit outer frame 7, a fixed base 10 is arranged at one end of the adjustment component 6, a ball valve 9 is arranged at one end of the fixed base 10, a sealing rotary disk 11 is arranged at the other end of the fixed base 10, and an inner ring groove 16 and a guide groove 14 are arranged inside the fixed base 10;

[0028] A delivery pipeline 2, connecting flanges 1 are arranged at both ends of the delivery pipeline 2, a valve body base 3 is arranged on the surface of the delivery pipeline 2, and a limit assembly 8 is arranged on the surface of the valve body base 3. A multi-stage pressure-reducing small flow regulating valve comprises the control assembly; the regulating assembly 6 comprises a control disk 15, a valve stem 5, a first spring 17 and a guide block 12, an inner cavity 13 is opened inside the limit outer frame 7, the regulating assembly 6 is arranged in the inner cavity (13), one end of the first spring 17 is fixedly connected to the limit outer frame 7, the other end of the first spring 17 is fixedly connected to the sealing rotary disk 11, and the limit outer frame 7 is fixedly connected to the valve stem 5;

[0029] The regulating assembly 6 includes a control plate 15, a valve stem 5, a first spring 17 and a guide block 12. An inner cavity 13 is provided inside the limit outer frame 7. The regulating assembly 6 is arranged in the inner cavity 13. One end of the first spring 17 is fixedly connected to the limit outer frame 7. The other end of the first spring 17 is fixedly connected to the sealing rotary plate 11. The limit outer frame 7 is fixedly connected to the valve stem 5.

[0030] When in use, the limit assembly 8 is used to limit the control disk 15, so as to avoid the control disk 15 being accidentally touched and rotated when idle, thereby affecting the progress of the processing operation, and effectively improving the stability of the regulating valve during operation. On the other hand, by using the set regulating assembly 6, when it is necessary to rotate the ball valve 9 to control the flow, first release the limit of the limit assembly 8 on the limit outer frame 7, and then manually move the control disk 15 outward to stretch the first spring 17 and embed the guide block 12 into the guide groove 14, and then rotate the control disk 15 to control the ball valve 9, thereby further improving the stability of the control valve.

[0031] Embodiment 2

[0032] On the basis of the first embodiment, the limit assembly 8 includes a limit seat 18, a plug post 24, a second spring 22, a connection block 20 and a handle 19. A through hole 21 is provided on the surface of the limit seat 18. The plug rod is inserted into the through hole 21. The end surface of the plug rod is fixed with a connection block 20. The surface of the plug rod is sleeved with a second spring 22. One end of the second spring 22 is fixedly connected to the connection block 20, and the other end of the second spring 22 is fixedly connected to the limit seat 18.

[0033] During use, after adjusting the ball valve 9, cancel the control force on the control disk 15, and manually turn the handle 19 to move the column 24 to the outside of the through hole 21. At this time, under the rebound action of the first spring 17, the guide block 12 will fall into the inner slide groove 23, and the limiting outer frame 7 will fall into the inner side of the limiting seat 18. At this time, release the handle 19, and the column 24 will automatically be inserted into the through hole 21 and the limiting hole 4 under the rebound action of the second spring 22, thereby realizing the limitation of the limiting outer frame 7 and the control disk 15 and improving the stability of the regulating valve.

[0034] Embodiment 3

[0035] On the basis of the second embodiment, a handle 19 is fixed on the surface of the connecting block 20, and an anti-slip pattern 25 is formed inside the handle 19;

[0036] During use, when the handle 19 is manually moved, the anti-skid grooves 25 provided will increase the friction force, thereby preventing the handle 19 from slipping when being moved, and improving the safety during operation.

[0037] When the ball valve 9 is adjusted, the control force on the control plate 15 is canceled, and the handle 19 is manually turned to move the plug 24 to the outside of the through hole 21. At this time, under the rebound action of the first spring 17, the guide block 12 will fall into the inner slide groove 23, and the limiting outer frame 7 will fall into the inner side of the limiting seat 18. At this time, the handle 19 is released, and the plug 24 will automatically insert into the through hole 21 and the limiting hole 4 under the rebound action of the second spring 22, thereby realizing the limiting of the limiting outer frame 7 and the control plate 15, and improving the stability of the control valve.

[0038] 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 control component, Features: The control component comprises: a limit outer frame (7), an adjustment component (6) is arranged inside the limit outer frame (7), a limit hole (4) is provided on the surface of the limit outer frame (7), a fixed base (10) is arranged at one end of the adjustment component (6), a ball valve (9) is arranged at one end of the fixed base (10), a sealing rotary disk (11) is arranged at the other end of the fixed base (10), and an inner ring groove (16) and a guide groove (14) are arranged inside the fixed base (10); A delivery pipeline (2), wherein connecting flanges (1) are arranged at both ends of the delivery pipeline (2), a valve body base (3) is arranged on the surface of the delivery pipeline (2), and a limit position assembly (8) is arranged on the surface of the valve body base (3).

2. A control component according to claim 1, Features: The regulating assembly (6) comprises a control panel (15), a valve stem (5), a first spring (17) and a guide block (12); an inner cavity (13) is provided inside the limiting outer frame (7); the regulating assembly (6) is arranged in the inner cavity (13); one end of the first spring (17) is fixedly connected to the limiting outer frame (7); the other end of the first spring (17) is fixedly connected to the sealing rotary disk (11); and the limiting outer frame (7) is fixedly connected to the valve stem (5).

3. A control assembly according to claim 2, Features: The control panel (15) is fixedly connected to the valve stem (5), a guide block (12) is fixed to the end of the valve stem (5), the valve stem (5) and the fixed base (10) are rotatably connected, the guide block (12) and the inner ring groove (16) are rotatably connected, and the guide block (12) and the guide groove (14) are adapted to each other.

4. A control component according to claim 1, Features: An inner slide groove (23) is provided inside the valve body base (3), the inner slide groove (23) and the sealing rotary disk (11) are rotatably connected, and the fixed base (10) is located inside the valve body base (3).

5. A control component according to claim 1, Features: The limiting assembly (8) comprises a limiting seat (18), an inserting column (24), a second spring (22), a connecting block (20) and a handle (19); a through hole (21) is provided on the surface of the limiting seat (18); a plug rod is inserted into the through hole (21); a connecting block (20) is fixed to the end surface of the plug rod; a second spring (22) is sleeved on the surface of the plug rod; one end of the second spring (22) is fixedly connected to the connecting block (20); and the other end of the second spring (22) is fixedly connected to the limiting seat (18).

6. A control assembly according to claim 5, Features: A handle (19) is fixed on the surface of the connecting block (20), and an anti-slip pattern (25) is formed inside the handle (19). Three groups of limit assemblies (8) are provided, and the three groups of limit assemblies (8) are evenly distributed on the surface of the valve body base (3).

7. A control assembly according to claim 1, Features: A plurality of the limiting holes (4) are provided, and the plurality of limiting holes (4) are evenly distributed on the surface of the limiting outer frame (7), and the insertion rod can be inserted into the limiting holes (4).

8. A multi-stage pressure-reducing small flow regulating valve, Features: The control component comprises any one of claims 1 to 7.

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