Sealing valve body for fluid control

Abstract

The utility model relates to the technical field of sealing valves, and discloses a sealing valve body for fluid control, which comprises a first flange, the outer wall of the first flange is fixedly connected with a circulation pipeline, the outer wall of the circulation pipeline is fixedly connected with a spherical valve body, the upper surface of the spherical valve body is fixedly connected with a cylindrical valve body, and the cylindrical valve body is fixedly connected with a sealing ring. The inner wall of the spherical valve body is rotationally connected with a ball core, the upper surface of the cylindrical valve body is fixedly connected with a second flange, the upper surface of the second flange is fixedly connected with a third flange, a positioning assembly is arranged in the third flange, the interior of the third flange is rotationally connected with a valve rod, and the outer wall of the valve rod is fixedly connected with a supporting rod. According to the ball valve, by pressing the pressing heads at the two ends of the hand wheel, the pressing heads at the two ends drive the pressing rod to enable the two clamping plates to overcome the elastic force of the first reset spring to be close to each other, so that the clamping blocks are separated from the interior of the mounting block, the ball core is separated from the valve rod, and quick disassembly of the ball core is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing valve technical field especially relates to a sealing valve valve body for fluid control. BACKGROUND

[0002] In industrial production and daily life, fluid control is a crucial operation, widely used in petroleum, chemical industry, water supply and drainage and many other fields, and the sealing valve valve body for fluid control is a key component for realizing fluid control, and its performance and reliability directly affect the operation efficiency and safety of the whole system, and a sealing valve valve body with excellent performance can accurately control the flow and blockage of fluid, and plays an indispensable role in ensuring the smooth progress of the production process and the rational use of resources.

[0003] At present, the common sealing valve valve body for fluid control mostly adopts a relatively traditional mechanical structure, which usually drives the valve stem through the rotation of the hand wheel, and the valve stem is directly connected with the ball core or other valve core structure, and the rotation or movement of the valve core is used to realize the opening and closing of the fluid passage, in this structure, the torque is transmitted between the hand wheel and the valve stem through thread or key connection and other ways, so as to drive the valve core to act, and its working principle is mainly based on the close fit or separation between the valve core and the valve seat, when the valve core fits the valve seat, the fluid flow is blocked, when the valve core leaves the valve seat or rotates to a specific position, the fluid passage is opened, realizing the flow of fluid.

[0004] However, this traditional sealing valve valve body has some problems in actual use and maintenance. Among them, the most prominent one is that when the ball core and other key components are worn or damaged and need to be replaced, since the valve stem and the ball core are fixedly connected, the whole assembly containing the valve stem and the ball core needs to be replaced as a whole during maintenance, which not only increases the time cost of maintenance, but also requires a lot of time for workers to disassemble and install the whole assembly, and greatly increases the maintenance cost, because the cost of the whole replacement parts is much higher than that of replacing the ball core alone, which seriously affects the production efficiency and the economic benefit of enterprises. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a sealing valve valve body for fluid control, which aims to improve the problem that the traditional sealing valve needs to replace the whole assembly when replacing the ball core due to the fixed connection between the valve stem and the ball core, resulting in high maintenance cost, low efficiency and affecting production benefit.

[0006] To achieve the above object, the utility model provides the following technical scheme: a sealing valve body for fluid control, flange no. The outer wall of the flow channel is fixedly connected with a spherical valve body, the upper surface of the spherical valve body is fixedly connected with a cylindrical valve body, the inner wall of the spherical valve body is rotatably connected with a ball core, the upper surface of the cylindrical valve body is fixedly connected with flange no. The upper surface of flange no. The inside of flange no. The inside of flange no. The outer wall of the support rod is fixedly connected with a hand wheel, the inside of the hand wheel is provided with an adjusting assembly;

[0007] The adjusting assembly includes a pressure head, the outer wall of the pressure head is slidably connected in the inside of the hand wheel, the outer wall of the pressure head is fixedly connected with a pressure rod, the outer wall of the pressure rod is fixedly connected with a clamping plate, the lower surface of the clamping plate is fixedly connected with a clamping block, the upper surface of the ball core is fixedly connected with a mounting block, the outer wall of the clamping block is slidably connected in the inside of the mounting block, and the outer wall of the clamping plate is provided with a reset spring no.

[0008] Further, the reset spring no. One end of the reset spring no. The inside of flange no. The other end of the reset spring no. The inside of the valve rod is provided with a sliding groove, and the outer wall of the trapezoidal resistance block is slidably connected in the inside of the sliding groove.

[0009] Further, the outer wall of the clamping plate is slidably connected in the inner wall of the valve rod.

[0010] Further, the outer wall of the pressure rod is slidably connected in the inside of the valve rod.

[0011] Further, the outer wall of the valve rod is rotatably connected in the inner wall of flange no.

[0012] Further, the outer wall of the trapezoidal resistance block is slidably connected in the inside of the mounting slot.

[0013] Further, the outer wall of the cylindrical valve body is fixedly connected in the outer wall of the flow channel.

[0014] Further, the upper surface of the valve rod is fixedly connected with a top cover.

[0015] The utility model has the advantages of:

[0016] 1. In the utility model, through the pressure head of pressing hand wheel two end, two end pressure head drives pressure rod to make two clamping plates overcome the elasticity of reset spring 1 and approach each other to make the clamping block separate from the inside of installation block, so that the ball core separates from the valve rod, realizes the quick disassembly of ball core, this operation speeds up the maintenance speed of staff to valve body, and the valve rod and ball core are not fixed connection, when replacing, only need to replace the ball core, thereby reduce the maintenance cost.

[0017] 2. In the utility model, through setting reset spring 2 and trapezoidal resistance block in flange three, and setting sliding slot in the corresponding position of valve rod, when the ball core rotates to the corresponding position, there is a smaller resistance, thereby giving staff a force feedback, so that the valve body can reach the state of complete closing or opening, reduces the waste of fluid resources. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a kind of fluid control sealing valve valve body's three-dimensional structure schematic diagram that the utility model proposes;

[0019] Figure 2 It is a kind of ball core part structure schematic diagram of fluid control sealing valve valve body that the utility model proposes;

[0020] Figure 3 It is a kind of reset spring one part structure schematic diagram of fluid control sealing valve valve body that the utility model proposes;

[0021] Figure 4 It is a kind of clamping block part structure schematic diagram of fluid control sealing valve valve body that the utility model proposes;

[0022] Figure 5 It is a kind of installation groove part structure schematic diagram of fluid control sealing valve valve body that the utility model proposes;

[0023] Figure 6 It is a kind of trapezoidal resistance block part structure schematic diagram of fluid control sealing valve valve body that the utility model proposes.

[0024] LEGEND:

[0025] 1, flange one;2, flow pipeline;3, spherical valve body;4, cylindrical valve body;5, flange two;6, flange three;7, valve rod;8, hand wheel;9, pressure rod;10, support rod;11, ball core;12, clamping plate;13, installation block;14, reset spring one;15, reset spring two;16, trapezoidal resistance block;17, sliding slot;18, installation groove;19, top cover;20, pressure head;21, clamping block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0027] With reference to Figures 1-6 The utility model provides an embodiment: a kind of sealing valve body for fluid control, including flange one 1, the outer wall of flange one 1 is fixedly connected with flow pipeline 2, the flange one 1 of the outer wall connection of flow pipeline 2 makes this valve body can be closely connected with the pipeline needed to be sealed, prevent the leakage of fluid at the place of pipeline connection, the outer wall of flow pipeline 2 is fixedly connected with spherical valve body 3, the upper surface of spherical valve body 3 is fixedly connected with cylindrical valve body 4, the inner wall of spherical valve body 3 is rotatably connected with ball core 11, the ball core 11 rotatably connected in the inner wall of spherical valve body 3 can accurately control the flow state of fluid in pipeline, the cylindrical valve body 4 fixedly connected on the upper surface of spherical valve body 3, so that staff has better operating space when rotating ball core 11, also make staff ball core 11 can be smoothly detached from cylindrical valve body 4 when disassembling ball core 11, the upper surface of cylindrical valve body 4 is fixedly connected with flange two 5, the upper surface of flange two 5 is fixedly connected with flange three 6, by the fixed connection of flange two 5 and flange three 6, the position of valve stem 7 and ball core 11 inside valve body is fixed, so that the valve body is more stable when sealing fluid, the inside of flange three 6 is provided with positioning assembly, the inside of flange three 6 is rotatably connected with valve stem 7, the outer wall of valve stem 7 is fixedly connected with support rod 10, the outer wall of support rod 10 is fixedly connected with hand wheel 8, by the fixed connection of hand wheel 8 on the outer wall of support rod 10, staff is more labor-saving when operating ball core 11, the inside of hand wheel 8 is provided with adjusting assembly;

[0028] Adjusting assembly includes pressure head 20, the outer wall of pressure head 20 is slidably connected in the inside of hand wheel 8, the outer wall of pressure head 20 is fixedly connected with pressure rod 9, the outer wall of pressure rod 9 is fixedly connected with clamping plate 12, the lower surface of clamping plate 12 is fixedly connected with clamping block 21, the upper surface of ball core 11 is fixedly connected with mounting block 13, the outer wall of clamping block 21 is slidably connected in the inside of mounting block 13, the outer wall of clamping plate 12 is provided with return spring one 14, staff press pressure head 20 at both ends of hand wheel 8, both ends of pressure head 20 drive pressure rod 9 to make two clamping plates 12 overcome the elastic force of return spring one 14 and approach each other to make clamping block 21 separate from the inside of mounting block 13, so that ball core 11 separates from valve stem 7, realize the quick disassembly of ball core 11, the operation speeds up the speed of staff to maintain valve body, and valve stem 7 and ball core 11 are not fixedly connected, when replacing, only need to replace ball core 11, reduce maintenance cost.

[0029] With reference to Figure 5 And Figure 6 , the positioning assembly comprises a reset spring 15, one end of the reset spring 15 is fixedly connected to the inner wall of the flange 6, the inside of the flange 6 is provided with a mounting groove 18, the other end of the reset spring 15 is fixedly connected with a trapezoidal resistance block 16, the inside of the valve rod 7 is provided with a sliding groove 17, the outer wall of the trapezoidal resistance block 16 is slidingly connected in the inside of the sliding groove 17, by setting the reset spring 15 and the trapezoidal resistance block 16 in the flange 6, and setting the sliding groove 17 in the corresponding position of the valve rod 7, the ball core 11 has a smaller resistance when rotating to the corresponding position, thereby giving a force feedback to the staff, so that the valve body can reach a completely closed or open state, reducing the waste of fluid resources.

[0030] With reference to Figures 1-5 , the outer wall of the clamping plate 12 is slidingly connected to the inner wall of the valve rod 7, and the clamping plate 12 is limited by the valve rod 7, so that the clamping block 21 can be accurately clamped with the mounting block 13, improving the stability of the device; the outer wall of the pressing rod 9 is slidingly connected in the inside of the valve rod 7; the outer wall of the valve rod 7 is rotatably connected to the inner wall of the flange 2, and the valve rod 7 is limited by the flange 2, preventing the valve rod 7 from shaking when the staff rotates the hand wheel 8, improving the stability of the device; the outer wall of the trapezoidal resistance block 16 is slidingly connected in the inside of the mounting groove 18, and the design of the trapezoidal resistance block 16 allows the staff to have a smaller resistance when rotating the valve rod 7 to a specific position, making the valve body more accurate when sealing the fluid in the pipeline; the outer wall of the cylindrical valve body 4 is fixedly connected to the outer wall of the flow pipeline 2; the upper surface of the valve rod 7 is fixedly connected with a top cover 19, which avoids the entry of small dust in the air into the valve body through the inside of the valve rod 7, causing wear of the ball core 11, prolonging the service life of the ball core 11.

[0031] Working principle: when the sealing valve body for fluid control is needed, first, the flange 1 at both ends of the flow pipe 2 is connected to the two pipes that need to be controlled, when the fluid in the two pipes needs to flow, the staff needs to rotate the hand wheel 8 to make the hand wheel 8 drive the valve rod 7 to rotate, and then the valve rod 7 drives the clamping plate 12 and the clamping block 21 inside to rotate in the installation block 13, so as to drive the ball core 11 inside the spherical valve body 3 to rotate, so that the hollow section inside the ball core 11 is aligned with the flow pipe 2, so that the fluid can flow normally in the pipe, when the fluid in the two pipes needs to be blocked, the staff needs to rotate the hand wheel 8 to make the solid section inside the ball core 11 align with the flow pipe 2, so as to block the flow of fluid in the pipe, and achieve the sealing effect, when the device works for a long time, the ball core 11 will inevitably wear and tear, so that the torque becomes larger and the sealing effect of the valve body on the fluid is weakened, at this time, the staff needs to replace the ball core 11 inside the valve body, first, the flange 5 and the flange 6 are separated from each other to take out the ball core 11 along the cylindrical valve body 4, the staff presses the pressure head 20 at both ends of the hand wheel 8, the pressure head 20 at both ends drives the pressure rod 9 to make the two clamping plates 12 overcome the elastic force of the reset spring 14 to approach each other, so that the clamping block 21 is separated from the inside of the installation block 13, so that the ball core 11 is separated from the valve rod 7, realizing the quick disassembly of the ball core 11, which speeds up the maintenance speed of the staff on the valve body, and the valve rod 7 and the ball core 11 are not fixedly connected, so when replacing, only the ball core 11 needs to be replaced, reducing the maintenance cost, in the original device, the staff cannot accurately determine the position of the hollow section of the ball core 11 when rotating the hand wheel 8, which may cause the fluid to not be completely blocked when flowing, resulting in waste of resources, the valve body is provided with the reset spring 15 and the trapezoidal resistance block 16 in the flange 6, and the sliding groove 17 is formed in the corresponding position of the valve rod 7, so that the ball core 11 has a small resistance when rotating to the corresponding position, thereby giving the staff a force feedback, so that the valve body can achieve the state of complete closing or opening, reducing the waste of fluid resources.

[0032] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacement for some of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A seal valve body for fluid control comprising a flange one (1) characterized by: The outer wall of the flange one (1) is fixedly connected with a flow pipeline (2), the outer wall of the flow pipeline (2) is fixedly connected with a spherical valve body (3), the upper surface of the spherical valve body (3) is fixedly connected with a cylindrical valve body (4), the inner wall of the spherical valve body (3) is rotatably connected with a ball core (11), the upper surface of the cylindrical valve body (4) is fixedly connected with a flange two (5), the upper surface of the flange two (5) is fixedly connected with a flange three (6), the inside of the flange three (6) is provided with a positioning assembly, the inside of the flange three (6) is rotatably connected with a valve rod (7), the outer wall of the valve rod (7) is fixedly connected with a support rod (10), the outer wall of the support rod (10) is fixedly connected with a hand wheel (8), the inside of the hand wheel (8) is provided with an adjusting assembly. The adjusting assembly comprises a pressure head (20), the outer wall of the pressure head (20) is slidably connected in the inside of the hand wheel (8), the outer wall of the pressure head (20) is fixedly connected with a pressure rod (9), the outer wall of the pressure rod (9) is fixedly connected with a clamping plate (12), the lower surface of the clamping plate (12) is fixedly connected with a clamping block (21), the upper surface of the ball core (11) is fixedly connected with a mounting block (13), the outer wall of the clamping block (21) is slidably connected in the inside of the mounting block (13), the outer wall of the clamping plate (12) is provided with a reset spring one (14).

2. The seal valve body for fluid control according to claim 1, wherein: The positioning assembly comprises a reset spring two (15), one end of the reset spring two (15) is fixedly connected with the inner wall of the flange three (6), the inside of the flange three (6) is provided with a mounting groove (18), the other end of the reset spring two (15) is fixedly connected with a trapezoidal resistance block (16), the inside of the valve rod (7) is provided with a sliding groove (17), the outer wall of the trapezoidal resistance block (16) is slidably connected in the inside of the sliding groove (17).

3. The seal valve body for fluid control according to claim 1, wherein: The outer wall of the clamping plate (12) is slidably connected in the inner wall of the valve rod (7).

4. The seal valve body for fluid control according to claim 1, wherein: The outer wall of the pressure rod (9) is slidably connected in the inside of the valve rod (7).

5. The seal valve body for fluid control according to claim 1, wherein: The outer wall of the valve rod (7) is rotatably connected with the inner wall of the flange two (5).

6. The seal valve body for fluid control according to claim 2, wherein: The outer wall of the trapezoidal resistance block (16) is slidably connected in the inside of the mounting groove (18).

7. The seal valve body for fluid control of claim 1, wherein: The outer wall of the cylindrical valve body (4) is fixedly connected with the outer wall of the flow pipeline (2).

8. The seal valve body for fluid control of claim 1, wherein: The upper surface of the valve rod (7) is fixedly connected with a top cover (19).

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