Adjusting valve for leak-proof device for construction site construction

Abstract

The utility model relates to the technical field of leak-proof valves, and provides an adjusting valve for a leak-proof device for construction site construction, which comprises a main case, the top of the main case is fixedly connected with a stabilizing cylinder, the top of the stabilizing cylinder is fixedly connected with an adjusting shell, the inside of the adjusting shell is rotatably connected with a valve rod, and one end of the valve rod extends downwards; and the outer surface of the valve rod is rotationally connected to the interior of the stabilizing cylinder, a valve ball is fixedly connected to the bottom of the valve rod, the outer surface of the valve ball is rotationally connected to the inner surface of the main machine shell, the outer surface of the valve rod is fixedly sleeved with a worm gear, and the outer surface of the worm gear is connected with a hollow worm in a meshed mode. The device is provided with a spherical self-locking adjusting structure, can provide finer flow and pressure adjustment, has reliable sealing performance, can ensure that leakage accidents cannot occur under various working conditions, avoids serious safety accidents, and can realize fine adjustment of fluid flow through a tiny rotating angle.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-leakage valves, in particular to a regulating valve for an anti-leakage device for construction site construction. Background Art

[0002] The main functions of the regulating valve of the anti-leakage device are as follows: the regulating valve can accurately control the fluid flow rate through the anti-leakage device. According to actual needs, you can open the valve to increase the flow rate to meet the requirements of fluid delivery under specific working conditions; or close the valve to reduce the flow rate to avoid excessive fluid flow that may cause excessive system pressure or other adverse consequences. For example, in the chemical production process, the feed rate of raw materials can be controlled by regulating the valve to ensure the stable progress of the reaction process. The regulating valve can maintain the pressure in the pipeline within a safe range to prevent pipeline rupture or leakage.

[0003] However, in the prior art, for example, China Publication No.: CN115467985A, "An adjustable valve", the invention relates to the field of valve technology, specifically to an adjustable valve, including a valve body, a flow pipe is provided in the valve body, a first butterfly plate and a second butterfly plate hinged to the first butterfly plate are arranged in the flow pipe, the first butterfly plate is connected to the valve stem member, the second butterfly plate is connected to the valve stem sleeve sleeved on the valve stem member, a valve cover is provided on the valve body, a slide groove is horizontally provided in the valve cover, a slider slides in the slide groove, a slot is provided in the slider, a first clamping groove and a second clamping groove are respectively provided on the left and right sides of the slot, a first clamping rod and a second clamping rod slide in the first clamping groove and the second clamping groove respectively, the first clamping rod is connected to the valve stem member, the second clamping rod is connected to the valve stem sleeve, and the slider is connected to a drive assembly.

[0004] However, this device does not have a spherical self-locking adjustment structure, cannot provide more precise flow and pressure adjustment, does not have reliable sealing, cannot ensure that leakage accidents will not occur under various working conditions, and may lead to serious safety accidents. It is impossible to achieve subtle adjustments to the fluid flow through a small rotation angle. The device does not have a one-way through structure and cannot prevent the occurrence of backflow. Backflow may cause serious damage to the system, which is not conducive to improving the reliability of the entire anti-leakage device and cannot prevent the reverse flow of the fluid, thereby buying time for maintenance and emergency treatment. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art, such as the inability to provide more precise flow and pressure regulation, lack of reliable sealing, inability to ensure that no leakage accidents will occur under various working conditions, which may lead to serious safety accidents, inability to achieve subtle adjustments to the fluid flow through a small rotation angle, inability to prevent the occurrence of backflow, which may cause serious damage to the system, is not conducive to improving the reliability of the entire anti-leakage device, and cannot prevent the reverse flow of the fluid, thereby buying time for maintenance and emergency treatment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a regulating valve for a leakage prevention device for construction site construction, comprising a main housing, the top of the main housing is fixedly connected to a stabilizing cylinder, the top of the stabilizing cylinder is fixedly connected to an regulating housing, the interior of the regulating housing is rotatably connected to a valve stem and extends one end downward, the outer surface of the valve stem is rotatably connected to the interior of the stabilizing cylinder, the bottom of the valve stem is fixedly connected to a valve ball, the outer surface of the valve ball is rotatably connected to the inner surface of the main housing, the outer surface of the valve stem is fixedly sleeved with a worm gear, the outer surface of the worm gear is meshed with a hollow worm, a power rod is fixedly embedded in the interior of the hollow worm, the outer surface of the power rod is rotatably connected to the interior of the regulating housing and extends one end, the extended end of the power rod is fixedly connected to a plurality of connecting rods, and the ends of the plurality of connecting rods away from the power rods are fixedly connected to a hand wheel, and the power rod is driven to rotate inside the regulating housing through the hand wheel and the connecting rod.

[0007] As a preferred embodiment, sealing rings are provided on both sides of the valve ball, and two ring grooves are provided on the inner surface of the main housing. The sealing rings on both sides of the valve ball squeeze the internal valve ball.

[0008] As a preferred embodiment, the inner surface of the annular groove is fixedly connected to a limiting rod, and the outer surfaces of multiple limiting rods are movably embedded in the interior of the sealing ring. The sealing ring passes through the first spring inside the annular groove, and under the elastic action of the first spring, the sealing ring squeezes the internal valve ball along the direction of the limiting rod.

[0009] As a preferred embodiment, the outer surface of the limiting rod is movably sleeved with a first spring, and one end of the first springs away from the sealing ring is fixedly connected to the inner surface of the ring groove, and the other end of the first springs is fixedly connected to one side of the sealing ring. Under the elastic action of the first spring, the internal valve ball is squeezed along the direction of the limiting rod, and the valve ball and the internal main housing are kept in a sealed state.

[0010] As a preferred embodiment, one side of the main housing is connected to a water outlet pipe, and the side of the main housing away from the water outlet pipe is connected to a water inlet pipe, and the main housing is connected to the pipeline through the water inlet pipe and the water outlet pipe.

[0011] As a preferred embodiment, a pressure reducing plate is fixedly embedded in the inner surface of the water inlet pipe, a plug is opened on the pressure reducing plate, and a plurality of fixing rods are fixedly connected to the inner surface of the water inlet pipe. A fixing ring is fixedly connected to one end of the fixing rods away from the water inlet pipe, and the fixing ring is connected to the inside of the water inlet pipe through the fixing rod.

[0012] As a preferred embodiment, a plug rod is movably embedded in the inner surface of the fixed ring, and a plug head is fixedly connected to the end of the plug rod close to the pressure reducing plate. The outer surface of the plug head is movably embedded in the inner surface of the plug opening. Water will first pass through the water inlet pipe, flow through the plug opening inside the pressure reducing plate, push the plug head, and allow the plug rod to move inside the fixed ring.

[0013] As a preferred embodiment, a second spring is movably sleeved on the outer surface of the plug rod, one end of the second spring away from the plug head is fixedly connected to one side of the fixing ring, and the other end of the second spring is fixedly connected to one side of the plug head. The second spring is squeezed to store elastic potential energy, which can prevent water from flowing back and leaking.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are:

[0015] 1. The utility model is provided with a spherical self-locking adjustment structure, which can provide more precise flow and pressure adjustment, has reliable sealing, can ensure that no leakage accidents will occur under various working conditions, avoid serious safety accidents, and can achieve subtle adjustment of fluid flow through a small rotation angle.

[0016] 2. The utility model is provided with a one-way through structure, which effectively prevents the occurrence of backflow, is conducive to improving the reliability of the entire anti-leakage device, and can prevent the reverse flow of the fluid, thereby buying time for maintenance and emergency treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a regulating valve for a construction site leakage prevention device provided by the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of a main housing of a regulating valve for a construction site leakage prevention device provided by the utility model;

[0019] Figure 3 This is a schematic cross-sectional view of a regulating valve for a construction site leakage prevention device provided by the utility model;

[0020] Figure 4 This is a schematic cross-sectional view of a regulating valve for a construction site leakage prevention device provided by the utility model;

[0021] Figure 5The utility model provides a regulating valve for a construction site anti-leakage device Figure 2 Schematic diagram of the enlarged structure of A in the figure.

[0022] Legend:

[0023] 1. Main housing; 2. Stabilizing cylinder; 3. Adjusting housing; 4. Valve stem; 5. Valve ball; 6. Worm gear; 7. Hollow worm; 8. Power rod; 9. Connecting rod; 10. Handwheel; 11. Sealing ring; 12. Ring groove; 13. Limit rod; 14. First spring; 15. Water outlet pipe; 16. Water inlet pipe; 17. Pressure reducing plate; 18. Plug; 19. Fixing rod; 20. Fixing ring; 21. Plug rod; 22. Plug head; 23. Second spring. DETAILED DESCRIPTION

[0024] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1 to 5 When the valve body 1 is in the state of being rotated, the valve stem 4 of valve body 1 is rotated and connected with the valve body 2, and the lower end of the valve stem 4 is rotated and connected with the valve body 2.

[0026] like Figures 1 to 5 As shown, sealing rings 11 are provided on both sides of the valve ball 5, and two ring grooves 12 are provided on the inner surface of the main housing 1. The sealing rings 11 on both sides of the valve ball 5 squeeze the internal valve ball 5 and keep the valve ball 5 and the internal main housing 1 in a sealed state.

[0027] like Figures 1 to 5As shown, the inner surface of the annular groove 12 is fixedly connected to a limiting rod 13, and the outer surfaces of multiple limiting rods 13 are movably embedded in the interior of the sealing ring 11. The sealing ring 11 passes through the first spring 14 inside the annular groove 12. Under the elastic action of the first spring 14, the sealing ring 11 squeezes the internal valve ball 5 along the direction of the limiting rod 13.

[0028] like Figures 1 to 5 As shown, the outer surface of the limiting rod 13 is movably sleeved with a first spring 14, and one end of the multiple first springs 14 away from the sealing ring 11 is fixedly connected to the inner surface of the ring groove 12, and the other end of the multiple first springs 14 is fixedly connected to one side of the sealing ring 11. Under the elastic action of the first spring 14, the internal valve ball 5 is squeezed along the direction of the limiting rod 13, and the valve ball 5 and the internal main housing 1 are kept in a sealed state.

[0029] like Figures 1 to 5 As shown, one side of the main housing 1 is connected to a water outlet pipe 15 , and the side of the main housing 1 away from the water outlet pipe 15 is connected to a water inlet pipe 16 , and the main housing 1 is connected to the pipeline through the water inlet pipe 16 and the water outlet pipe 15 .

[0030] like Figures 1 to 5 As shown, a pressure reducing plate 17 is fixedly embedded in the inner surface of the water inlet pipe 16, and a plug 18 is opened on the pressure reducing plate 17. A plurality of fixing rods 19 are fixedly connected to the inner surface of the water inlet pipe 16, and a fixing ring 20 is fixedly connected to one end of the plurality of fixing rods 19 away from the water inlet pipe 16. The fixing ring 20 is connected to the inside of the water inlet pipe 16 through the fixing rods 19.

[0031] like Figures 1 to 5 As shown, a plug rod 21 is movably embedded in the inner surface of the fixing ring 20, and a plug head 22 is fixedly connected to the end of the plug rod 21 close to the pressure reducing plate 17. The outer surface of the plug head 22 is movably embedded in the inner surface of the plug opening 18. Water will first pass through the water inlet pipe 16, flow through the plug opening 18 inside the pressure reducing plate 17, push the plug head 22, and allow the plug rod 21 to move inside the fixing ring 20.

[0032] like Figures 1 to 5 As shown, the outer surface of the plug rod 21 is movably sleeved with a second spring 23, one end of the second spring 23 away from the plug head 22 is fixedly connected to one side of the fixing ring 20, and the other end of the second spring 23 is fixedly connected to one side of the plug head 22. The second spring 23 is squeezed to store elastic potential energy, which can prevent water from flowing back and leaking.

[0033] Working principle: First, connect the main housing 1 to the pipeline through the water inlet pipe 16 and the water outlet pipe 15. The water in the pipeline will first pass through the water inlet pipe 16, flow through the plug port 18 inside the pressure reducing plate 17, push the plug head 22, and let the plug rod 21 move inside the fixed ring 20 and squeeze the second spring 23 inside. The fixed ring 20 is connected to the inside of the water inlet pipe 16 through the fixed rod 19. The second spring 23 is squeezed to store elastic potential energy, which can prevent water from flowing back and leaking. Then, it drives the power rod 8 through the handwheel 10 and the connecting rod 9. The hollow worm 7 rotates inside the regulating shell 3 and follows the rotation of the power rod 8. Under the meshing action of the worm wheel 6, it drives the valve stem 4 to rotate inside the stabilizing cylinder 2, and drives the valve ball 5 to rotate inside the main shell 1, so that the water flow can smoothly pass through the main shell 1 and flow out from the outlet pipe 15. The sealing rings 11 on both sides of the valve ball 5, through the first spring 14 inside the ring groove 12, squeeze the internal valve ball 5 along the direction of the limit rod 13 under the elastic action of the first spring 14, and keep the valve ball 5 and the internal main shell 1 in a sealed state.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A regulating valve for a construction site anti-leakage device, comprising a main housing (1), characterized in that: The top of the main housing (1) is fixedly connected to a stabilizing cylinder (2), the top of the stabilizing cylinder (2) is fixedly connected to an adjusting housing (3), the interior of the adjusting housing (3) is rotatably connected to a valve stem (4) and extends one end downward, the outer surface of the valve stem (4) is rotatably connected to the interior of the stabilizing cylinder (2), the bottom of the valve stem (4) is fixedly connected to a valve ball (5), the outer surface of the valve ball (5) is rotatably connected to the inner surface of the main housing (1), the outer surface of the valve stem (4) is fixedly sleeved with a worm gear (6), the outer surface of the worm gear (6) is meshedly connected to a hollow worm (7), a power rod (8) is fixedly embedded in the interior of the hollow worm (7), the outer surface of the power rod (8) is rotatably connected to the interior of the adjusting housing (3) and extends one end, the extended end of the power rod (8) is fixedly connected to a plurality of connecting rods (9), and the ends of the plurality of connecting rods (9) away from the power rod (8) are fixedly connected to a hand wheel (10).

2. The regulating valve for a construction site leakage prevention device according to claim 1, characterized in that: Sealing rings (11) are provided on both sides of the valve ball (5), and two annular grooves (12) are provided on the inner surface of the main housing (1).

3. The regulating valve for a construction site leakage prevention device according to claim 2, characterized in that: The inner surface of the annular groove (12) is fixedly connected to a limiting rod (13), and the outer surfaces of a plurality of the limiting rods (13) are movably embedded in the interior of the sealing ring (11).

4. The regulating valve for a construction site leakage prevention device according to claim 3, characterized in that: The outer surface of the limiting rod (13) is movably sleeved with a first spring (14), one end of the plurality of first springs (14) away from the sealing ring (11) is fixedly connected to the inner surface of the ring groove (12), and the other end of the plurality of first springs (14) is fixedly connected to one side of the sealing ring (11).

5. The regulating valve for a construction site leakage prevention device according to claim 4, characterized in that: One side of the main housing (1) is connected to a water outlet pipe (15), and the side of the main housing (1) away from the water outlet pipe (15) is connected to a water inlet pipe (16).

6. The regulating valve for a construction site anti-leakage device according to claim 5, characterized in that: A pressure reducing plate (17) is fixedly embedded in the inner surface of the water inlet pipe (16), and a plug opening (18) is opened on the pressure reducing plate (17). A plurality of fixing rods (19) are fixedly connected to the inner surface of the water inlet pipe (16), and a fixing ring (20) is fixedly connected to one end of the plurality of fixing rods (19) away from the water inlet pipe (16).

7. The regulating valve for a construction site leakage prevention device according to claim 6, characterized in that: A plug rod (21) is movably embedded in the inner surface of the fixing ring (20), and a plug head (22) is fixedly connected to one end of the plug rod (21) close to the pressure reducing plate (17), and the outer surface of the plug head (22) is movably embedded in the inner surface of the plug opening (18).

8. The regulating valve for a construction site leakage prevention device according to claim 7, characterized in that: A second spring (23) is movably sleeved on the outer surface of the plug rod (21), one end of the second spring (23) away from the plug head (22) is fixedly connected to one side of the fixing ring (20), and the other end of the second spring (23) is fixedly connected to one side of the plug head (22).

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