Multi-valve ball valve structure

Abstract

The utility model relates to the technical field of valves, in particular to a multi-valve ball valve structure, which comprises a valve body, a valve seat, a valve core, a valve rod, a handle, an anti-leakage component and an anti-mistaken touch component, the valve core is rotatably connected in the valve body, the upper part of the valve core is used for connecting the valve rod, the upper part of the valve rod is used for connecting the handle, and the handle is used for connecting the anti-mistaken touch component. The valve rod is rotationally connected with a through hole bearing on the valve body, the two symmetrically arranged valve seats are connected in the valve body and are in sliding connection with the valve element, and one end of the valve body is used for being connected with a leakage-proof assembly. In the utility model, the anti-mistaken-touch assembly drives the handle to move in the vertical direction in the using state, so that the handle cannot drive the valve rod to rotate synchronously when rotating so as to prevent a worker from touching the handle mistakenly when walking, the valve core rotates to synchronously drive the anti-leakage assembly to enter the using state, and the anti-leakage assembly moves in the horizontal direction to block the valve body; the whole sealing performance of the ball valve is enhanced through the multiple valves, so that leakage of the valve body is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a ball valve structure with multiple valves. Background Art

[0002] Valves are control components in fluid delivery systems, with functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion or overflow pressure relief. Valves used in fluid control systems come in a wide variety of varieties and specifications, from the simplest shutoff valves to the various valves used in extremely complex automatic control systems.

[0003] After searching, Chinese patent announcement number CN219013630U discloses a multi-valve structure for pipelines, including an infusion tube, a machine, a flange, and a sealing and liquid-proof device. The infusion tube is connected to the machine through a flange, a sealing and liquid-proof device is fixed in the middle of the flange, a ball valve is movably fixed in the machine, an infusion channel is provided in the infusion tube, and a valve is movably fixed on the upper end of the machine. The utility model is provided with a flange, which is connected through the flange to make the connection more stable. A sealing and liquid-proof device is fixed in the flange to effectively prevent liquid leakage, so that the flange connection can be better sealed to protect the pipeline from leaking liquid. A valve is provided, which is fixed to the ball valve by screws to make its connection stable. A groove is provided in the valve, and a square fixing column is fixed in the groove to facilitate the rotation of the ball valve. The lower end of the ball valve is fixed on the base, which effectively prevents the ball valve from falling off or tilting.

[0004] However, in the above technical solution, accidental leakage of liquid is prevented only by connecting a sealing liquid-proof device to the valve flange. However, the wear of the ball valve will gradually increase with the extension of the use time, which makes the ball valve prone to leakage. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes a ball valve structure with multiple valves.

[0006] The technical solution of the utility model is as follows: a multi-valve ball valve structure, comprising a valve body, an inner wall of which is provided with a symmetrically arranged valve seat; a valve core, which is rotatably connected to the valve body; a valve stem, one end of which is connected to the valve core, and the other end of the valve stem passes through the valve body and is connected to a handle; an anti-leakage component, which is connected to the valve body, and when the anti-leakage component is in use, the anti-leakage component forms a second valve to prevent the valve core from leaking; an anti-accidental touch component, which is connected to the valve stem, and when the anti-accidental touch component is in use, the handle is driven to move in a vertical direction to prevent it from driving the valve stem to rotate.

[0007] Preferably, the anti-leakage component includes a fixed block connected to the inner wall of the valve body; a movable block, which is slidably connected to the inner wall of the valve body, and the movable block and the fixed block are combined and spliced ​​into a circular plate; a guide rod, which is connected to a sliding groove opened on the inner wall of the valve body; a sliding block, which is slidably connected to the guide rod; a push rod, one end of which is connected to the movable block, and the push rod is connected to the sliding block; a first elastic member, which is sleeved on the outside of the guide rod; a movable component, which is connected to the valve body, and the movable component pushes the valve seat and the valve core to fit together when in use.

[0008] Preferably, the fixed stopper and the movable stopper are both provided with inclined surfaces at the ends facing each other, the inclined surfaces of the two are in contact with each other, and a sealing strip is connected to the inclined surfaces.

[0009] Preferably, the moving component includes a multi-stage telescopic rod, which is distributed around the circumference, the multi-stage telescopic rod is connected to a receiving groove opened on the inner wall of the valve body, and the telescopic end of the multi-stage telescopic rod is connected to the valve seat; a second elastic member is sleeved on the outside of the multi-stage telescopic rod.

[0010] Preferably, the anti-accidental-touch component includes a support column, which is connected to the valve stem and is used for detachable connection with the handle; a third elastic member, which is sleeved on the outside of the support column and one end of the third elastic member is connected to the valve stem; a moving block, which is connected to the other end of the third elastic member and a through hole is opened on the moving block.

[0011] Preferably, a clamping block is connected to the support column, and the clamping block is detachably connected to a clamping slot provided on the handle.

[0012] Preferably, the support column is provided with scales.

[0013] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0014] In the utility model, when the anti-accidental touch component is in use, it drives the handle to move in the vertical direction, so that when the handle is rotated, it cannot drive the valve stem to rotate synchronously, thereby preventing the staff from accidentally touching the handle when walking. When the valve core rotates, it will synchronously drive the anti-leakage component to enter the use state. The anti-leakage component moves horizontally to block the valve body to form a second valve. The overall sealing performance of the ball valve is enhanced by multiple valves to prevent valve body leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 for Figure 1 A magnified view of the structure at A;

[0017] Figure 3 for Figure 1 A cross-sectional schematic diagram of

[0018] Figure 4 for Figure 3 A magnified view of the structure at B;

[0019] Figure 5 for Figure 3 Enlarged view of the structure at location C.

[0020] Figure numerals: 1. valve body; 2. valve seat; 3. valve core; 4. valve stem; 5. handle; 6. fixed block; 7. movable block; 8. guide rod; 9. sliding block; 10. push rod; 11. first elastic member; 12. sealing strip; 13. multi-stage telescopic rod; 14. receiving groove; 15. second elastic member; 16. supporting column; 17. third elastic member; 18. moving block; 19. clamping block; 20. clamping groove; 21. scale. DETAILED DESCRIPTION

[0021] Embodiment 1

[0022] like Figure 1-Figure 5 As shown, a multi-valve ball valve structure proposed by the utility model includes a valve body 1, a valve seat 2, a valve core 3, a valve stem 4, a handle 5, an anti-leakage component and an anti-mistaken touch component. The valve core 3 is rotatably connected in the valve body 1, the upper part of the valve core 3 is used to connect the valve stem 4, the upper part of the valve stem 4 is used to connect the handle 5, and the handle 5 is used to connect the anti-mistaken touch component; the anti-mistaken touch component drives the handle 5 to move in the vertical direction when in use, so that when the handle 5 is rotated, it cannot drive the valve stem 4 to rotate, thereby preventing accidental touch; the valve stem 4 is rotatably connected to the through-hole bearing on the valve body 1, two symmetrically arranged valve seats 2 are connected in the valve body 1 and are slidably connected to the valve core 3, and one end of the valve body 1 is used to connect the anti-leakage component; when the valve core 3 rotates, it drives the anti-leakage component to enter the use state, and the anti-leakage component forms a second valve to prevent the valve body 1 from leaking.

[0023] Embodiment 2

[0024] like Figure 3 , Figure 5 As shown, a multi-valve ball valve structure proposed by the utility model, compared with the first embodiment, the detailed structure of the anti-leakage component is recorded in this embodiment, the anti-leakage component includes a fixed stopper 6, a movable stopper 7, a guide rod 8, a sliding block 9, a push rod 10, a first elastic member 11 and a moving component, the fixed stopper 6 is connected to the inner peripheral wall of the valve body 1, a sliding groove is provided at the bottom of the inner peripheral wall of the valve body 1, the guide rod 8 is connected in the sliding groove in the horizontal direction, the sliding block 9 is slidably connected to the guide rod 8, the sliding block 9 is used to connect the push rod 10, one end of the push rod 10 is slidably connected to the valve core 3, and the other end of the push rod 10 is connected to the movable stopper 7;

[0025] In an optional embodiment, the fixed stopper 6 and the movable stopper 7 are both provided with inclined surfaces at the ends facing each other, and the inclined surfaces fit together, and a sealing strip 12 is connected to the inclined surfaces; the sealing strip 12 is selected from but not limited to a rubber layer;

[0026] The moving assembly is connected to the valve body 1; when the moving assembly is in use, it pushes the valve seat 2 to move and abut against the valve core 3 to prevent a gap between the two from causing leakage.

[0027] The moving assembly includes a multi-stage telescopic rod 13 and a second elastic member 15. A plurality of circular receiving grooves 14 with evenly spaced notches are provided on the inner wall of the valve body 1. The multi-stage telescopic rod 13 is connected in the receiving groove 14. The telescopic end of the multi-stage telescopic rod 13 is connected to the valve seat 2. The second elastic member 15 is sleeved on the outside of the multi-stage telescopic rod 13. The second elastic member 15 is a spring.

[0028] Embodiment 2

[0029] like Figure 1-Figure 2 As shown, a multi-valve ball valve structure proposed by the utility model, compared with the first embodiment, the detailed structure of the anti-mistaken touch assembly is recorded in this embodiment, and the anti-mistaken touch assembly includes a support column 16, a third elastic member 17 and a moving block 18, the support column 16 is connected to the upper end surface of the valve stem 4, and the third elastic member 17 is sleeved on the outside of the support column 16; the third elastic member 17 is selected from but not limited to a tower spring; the top of the third elastic member 17 is used to connect with the moving block 18, and the moving block 18 is provided with a through hole for passing the support column 16;

[0030] In an optional embodiment, a clamping block 19 is connected to the support column 16 , and the clamping block 19 is detachably connected to a clamping slot 20 provided on the handle 5 .

[0031] In an optional embodiment, a scale 21 is provided on the support column 16; the scale 21 can indicate the current angle of the valve core 3 to prevent the valve core 3 from not rotating into place or being accidentally touched, resulting in liquid leakage.

[0032] In summary, when the utility model is used, when the ball valve is opened, the person pulls the handle 5 and moves it downward, the handle 5 moves downward along the central axis of the support column 16 and compresses the length of the third elastic member 17, and at the same time drives the moving block 18 to move downward, the card slot 20 on the handle 5 moves downward and engages with the card block 19 on the support column 16, and at this time, turning the handle 5 can drive the valve stem 4 and the valve core 3 to rotate, so that the ball valve is opened, and at the same time, the first elastic member 11 pushes the movable block 7 away from the fixed block 6 due to its own elastic member to facilitate the flow of liquid, and when the ball valve is closed, the handle 5 is also turned. To drive the valve core 3 to rotate, after the handle 5 is released, the third elastic member 17 automatically recovers its length to push the movable block 18 to move upward, and the blocking block 19 loses its blocking with the blocking groove 20. At the same time, the valve core 3 contacts one end of the push rod 10 during the rotation process, and the push rod 10 rotates from the edge of the through hole on the valve core 3 for passing liquid to the spherical part of the valve core 3. The position of the push rod 10 changes, and the push rod 10 drives the sliding block 9 to move linearly along the guide rod 8 to push the movable block 7 close to the fixed block 6. The movable block 7 and the fixed block 6 are spliced ​​to form a circular plate to close the valve body 1.

[0033] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A multi-valve ball valve structure, characterized in that: include A valve body (1) has a symmetrically arranged valve seat (2) on its inner wall; A valve core (3) rotatably connected to the valve body (1); A valve stem (4), one end of which is connected to the valve core (3), and the other end of the valve stem (4) passes through the valve body (1) and is connected to a handle (5); An anti-leakage component connected to the valve body (1); when the anti-leakage component is in use, the anti-leakage component forms a second valve to prevent leakage of the valve body (1); The anti-accidental touch component is connected to the valve stem (4). When the anti-accidental touch component is in use, it drives the handle (5) to move in a vertical direction to prevent it from driving the valve stem (4) to rotate.

2. A multi-valve ball valve structure according to claim 1, characterized in that: Leak-proof components include A fixed stopper (6) connected to the inner wall of the valve body (1); A movable stopper (7) is slidably connected to the inner wall of the valve body (1), and the movable stopper (7) and the fixed stopper (6) are combined and spliced ​​into a circular plate; A guide rod (8) connected to a sliding groove provided on the inner wall of the valve body (1); A sliding block (9) slidably connected to the guide rod (8); A push rod (10), one end of which is connected to the movable stopper (7), and the push rod (10) is connected to the sliding block (9); A first elastic member (11) sleeved on the outside of the guide rod (8); The movable component is connected to the valve body (1), and when in use, the movable component pushes the valve seat (2) and the valve core (3) to fit together.

3. A multi-valve ball valve structure according to claim 2, characterized in that: The fixed stopper (6) and the movable stopper (7) are both provided with inclined surfaces at their facing ends, the inclined surfaces of the two are in contact with each other, and a sealing strip (12) is connected to the inclined surfaces.

4. A multi-valve ball valve structure according to claim 2, characterized in that: Mobile components include A plurality of multi-stage telescopic rods (13) are distributed around the circumference, the multi-stage telescopic rods (13) are connected to a receiving groove (14) provided on the inner wall of the valve body (1), and the telescopic ends of the multi-stage telescopic rods (13) are connected to the valve seat (2); The second elastic member (15) is sleeved on the outside of the multi-stage telescopic rod (13).

5. The multi-valve ball valve structure according to claim 1, characterized in that: Anti-accidental touch components include A support column (16) connected to the valve stem (4), the support column (16) being used for being detachably connected to the handle (5); A third elastic member (17) is sleeved on the outside of the support column (16), and one end of the third elastic member (17) is connected to the valve stem (4); The moving block (18) is connected to the other end of the third elastic member (17), and a through hole is provided on the moving block (18).

6. A multi-valve ball valve structure according to claim 5, characterized in that: A clamping block (19) is connected to the support column (16), and the clamping block (19) is detachably connected to a clamping slot (20) provided on the handle (5).

7. A multi-valve ball valve structure according to claim 5, characterized in that: The support column (16) is provided with a scale (21).

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