Metal sealing wear-resistant ball valve

Abstract

The utility model discloses a metal sealing wear-resisting ball valve, which comprises a valve body, a valve seat and a valve core, the valve seat and the valve core are arranged in the valve body, a cleaning mechanism is arranged on one side of the valve body, the cleaning mechanism comprises a driving rod, a bevel gear A, a bevel gear B, a rotating shaft, a mounting plate and a brush, the length of the brush is gradually increased, and a control mechanism is arranged above the valve body. A driving mechanism is arranged on one side of the cleaning mechanism, and connecting mechanisms are arranged at the two ends of the valve body. A bevel gear A is driven by a driving rod to rotate, the bevel gear A drives an engaged bevel gear B to rotate so as to drive a rotating shaft to rotate, the rotating shaft drives a plurality of brushes to rotate along the rotating shaft through a mounting plate, transmission of the brushes increases progressively, and then the ball-milling outer wall of the whole valve element can be swept and cleaned. Impurity particles in a wear-resisting ball valve medium are swept into the medium and flow out along with the medium, the surfaces of the valve element and the valve seat are prevented from being damaged, the connection strength of the contact face of the valve element and the valve seat is guaranteed, and water leakage of the ball valve is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metal seal wear -resistant ball valve especially relates to a metal seal wear -resistant ball valve. BACKGROUND

[0002] Ball valve, open and close (ball) by the valve stem drive, and around the ball valve axis rotation movement valve. Can also be used for the regulation and control of fluid, wherein hard sealing V type ball valve its V type ball core and the metal valve seat of hardfacing hard alloy between has very strong shearing force, especially suitable for containing fiber, micro solid particle etc. Medium. And multi -way ball valve on the pipeline not only can flexible control medium's confluence, shunt, and flow direction's switching, simultaneously also can close any channel and make another two channels connect. This kind of valve in the pipeline generally should be installed horizontally. Ball valve is divided into: pneumatic ball valve, electric ball valve, hand-operated ball valve according to drive mode.

[0003] In the prior art, the Chinese utility model patent with the authorization announcement number CN221374541U provides a metal seal wear -resistant ball valve, relates to fluid control device field, including valve body and valve rod, the top of valve body is provided with top plate, the bottom of top plate is fixed with four supporting legs. By setting up oil bottle, conveying mechanism and oil pipe, two spray heads are inclined to the direction of valve rod, after valve body is used for a period of time, conveying mechanism can automatically start, some lubricating oil is extracted from oil bottle and is conveyed to two oil pipes, and then some lubricating oil is sprayed to the rotating connection place of valve rod on valve body by spray head, so as to play the role of lubrication. The metal seal wear -resistant ball valve can be used for a long time, the valve rod can keep relatively smooth operability, so manual maintenance is not needed, the rotating angle motor can automatically control the opening and closing of valve body and the rotating angle of valve rod, personnel can accurately control the automatic opening and closing of ball valve through the system, automatic control is realized, so that it is more suitable for various industrial applications.

[0004] Compared with the prior art, the problems of the above-mentioned metal seal wear -resistant ball valve are that the impurity particles in the medium entering the middle cavity of the wear -resistant ball valve cannot be cleaned and removed during use. The long-term rotation of the ball valve can easily drive the impurity particles into the contact surface of the valve core and the valve seat, causing damage to the surface of the valve core and the valve seat, and leading to water leakage of the ball valve.

[0005] Therefore, a metal seal wear -resistant ball valve is needed. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the defects of the prior art, and provides a metal seal wear -resistant ball valve.

[0007] The utility model discloses a valve body and install the valve seat and the valve core in the valve body, and the valve body one side is provided with cleaning mechanism, and the cleaning mechanism includes drive link, drive link rotates and is connected to the one side of valve body, and the one end of drive link is provided with bevel gear A, the outside of bevel gear A is provided with bevel gear B, and the middle position of bevel gear B is provided with pivot, and the one end of pivot is provided with mounting plate, and the outside of mounting plate is provided with a plurality of brush, and the length of brush is increasing, and the above of valve body is provided with control mechanism, and the one side of cleaning mechanism is provided with drive mechanism, and the both ends of valve body are provided with connecting mechanism.

[0008] As a further scheme of the utility model: the control mechanism includes control rod, and the control rod is fixed on the top of valve core through bolt, and the one end of control rod is provided with rotating ring, and the outside of rotating ring is provided with slide bar, and the top of valve body is provided with limit seat, and a plurality of threaded holes are evenly arranged on the top of limit seat, and the one end of slide bar is provided with screw rod.

[0009] As a further scheme of the utility model: the drive mechanism includes gear A, and the gear A is fixed below drive link through bolt, and the outside of gear A is provided with gear B, and gear B is rotatably connected with valve body, and the below of gear B is provided with round bar, and the one end of round bar is provided with rotating arm.

[0010] As a further scheme of the utility model: the connecting mechanism includes sleeve, and the sleeve is rotatably connected with the both ends of valve body, and the inner wall of sleeve is provided with internal thread groove, and the bottom of sleeve is provided with rubber ring, and the both ends of valve seat are provided with flow guide ring.

[0011] As a further scheme of the utility model: the outside of drive link is provided with sealing ring, and the sealing ring prevents valve body from leaking along drive link.

[0012] As a further scheme of the utility model: the outside of slide bar is provided with anti-drop ring.

[0013] As a further scheme of the utility model: the middle position of valve body is provided with ball head protection shell, and the ball head protection shell protects bevel gear A and bevel gear B, and the outside of valve body is provided with drive box.

[0014] As a further scheme of the utility model: the outside of valve core is provided with rustproof layer, and the rustproof layer reduces the rust of valve core.

[0015] Summarized above, because adoptes above technical scheme, the beneficial effect of the utility model is:

[0016] 1. By setting the drive rod, the drive rod drives the bevel gear A to rotate, the bevel gear A drives the meshing bevel gear B to rotate, thereby driving the rotating shaft to rotate, the rotating shaft drives a plurality of brushes along the rotating shaft through the mounting plate, a plurality of brushes are transmitted incrementally, thereby the entire valve core ball mill outer wall can be swept and cleaned, the impurity particles in the medium of the wear-resistant ball valve are swept into the medium and flow out with the medium, the surface of the valve core and the valve seat are prevented from being damaged, the connection strength of the contact surface of the valve core and the valve seat is ensured, the ball valve is prevented from leaking, the rotating arm is provided, the gear B is driven to rotate by rotating the rotating arm, the gear B drives the gear A to rotate, thereby driving the drive rod to rotate, and the entire metal sealing wear-resistant ball valve cleaning process is driven to proceed;

[0017] 2. By setting the rotating ring, the control rod is driven to rotate by the rotating ring, the control rod drives the valve core to rotate along the valve seat, the opening of the metal sealing wear-resistant ball valve is controlled, the slide rod is provided, the slide rod slides along the rotating ring, drives the screw rod to engage with the threaded hole, and the rotating ring is locked, a plurality of threaded holes are uniformly arranged, thereby improving the precision of the opening control of the metal sealing wear-resistant ball valve;

[0018] 3. By setting the flow guide ring, the flow guide ring guides the medium, reduces the impact of the medium on the valve core, and ensures the service life of the metal sealing wear-resistant ball valve. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 An isometric structure schematic diagram is shown according to the embodiment of the utility model;

[0020] Figure 2 A front view cross-sectional structure schematic diagram is shown according to the embodiment of the utility model;

[0021] Figure 3 A side view cross-sectional structure schematic diagram is shown according to the embodiment of the utility model; Figure 2 A partial enlarged structure schematic diagram in A of the middle is shown;

[0022] Figure 4 A side view cross-sectional structure schematic diagram is shown according to the embodiment of the utility model;

[0023] Figure 5 A front view cross-sectional structure schematic diagram is shown according to the embodiment of the utility model; Figure 4 A partial enlarged structure schematic diagram in B of the middle is shown.

[0024] LEGEND:

[0025] 100, valve body; 200, valve seat; 300, valve core; 101, driving rod; 102, bevel gear A; 103, bevel gear B; 104, rotating shaft; 105, mounting plate; 106, brush; 201, control rod; 202, rotating ring; 203, sliding rod; 204, limiting seat; 205, threaded hole; 206, screw rod; 301, gear A; 302, gear B; 303, round rod; 304, rotating arm; 401, sleeve; 402, internal thread groove; 403, rubber ring; 404, flow guide ring; 110, sealing ring; 120, anti-dropping ring; 130, ball head protection shell; 140, driving box; 150, anti-rust layer. DETAILED DESCRIPTION

[0026] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0027] In the present application, unless otherwise explicitly specified and limited, the "on" or "under" of the first feature to the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "on", "above" and "on" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "under", "below" and "under" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0029] Embodiment 1:

[0030] As Figures 1-4As shown, a metal seal wear-resistant ball valve, including a valve body 100 and a valve seat 200 and a valve core 300 installed inside the valve body 100, one side of the valve body 100 is provided with a cleaning mechanism, the cleaning mechanism includes a drive rod 101, the drive rod 101 is rotatably connected to one side of the valve body 100, one end of the drive rod 101 is welded with a bevel gear A 102, the outer side of the bevel gear A 102 is engaged with a bevel gear B 103, the middle position of the bevel gear B 103 is welded with a rotating shaft 104, one end of the rotating shaft 104 is fixed with a mounting plate 105 through bolts, the outer side of the mounting plate 105 is fixed with a plurality of brushes 106 through bolts, the length of the brush 106 increases, the upper side of the valve body 100 is provided with a control mechanism, one side of the cleaning mechanism is provided with a driving mechanism, both ends of the valve body 100 are provided with a connecting mechanism, the outer side of the drive rod 101 is rotatably connected with a sealing ring 110, the sealing ring 110 prevents the valve body 100 from leaking along the drive rod 101, the driving mechanism includes a gear A 301, the gear A 301 is fixed below the drive rod 101 through bolts, the outer side of the gear A 301 is engaged with a gear B 302, the gear B 302 is rotatably connected with the valve body 100, the lower side of the gear B 302 is welded with a round rod 303, one end of the round rod 303 is fixed with a rotating arm 304 through bolts, the outer side of the valve core 300 is coated with a rust layer 150, the rust layer 150 reduces the rust of the valve core 300.

[0031] In this embodiment, by providing a drive rod 101, the drive rod 101 drives the bevel gear A 102 to rotate, the bevel gear A 102 drives the engaged bevel gear B 103 to rotate, thereby driving the rotating shaft 104 to rotate, the rotating shaft 104 drives the plurality of brushes 106 to rotate along the rotating shaft 104 through the mounting plate 105, the plurality of brushes 106 are driven to increase, thereby the entire ball mill outer wall of the valve core 300 can be swept and cleaned, the impurity particles in the wear-resistant ball valve medium are swept into the medium and flow out with the medium, avoiding the surface of the valve core 300 and the valve seat 200 from being damaged, ensuring the connection strength of the contact surface of the valve core 300 and the valve seat 200, preventing the ball valve from leaking, the rotating arm 304 is provided, the gear B 302 is driven to rotate by rotating the rotating arm 304, the gear B 302 drives the gear A 301 to rotate, thereby driving the drive rod 101 to rotate, driving the entire metal seal wear-resistant ball valve cleaning process to proceed.

[0032] Example 2:

[0033] As Figures 1-5As shown, a metal sealing wear-resistant ball valve, the control mechanism includes a control rod 201, the control rod 201 is fixed above the valve core 300 by bolt, one end of the control rod 201 is fixed with a rotating ring 202 by bolt, the outer side of the rotating ring 202 is slidably connected with a slide rod 203, the upper side of the valve body 100 is welded with a limiting seat 204, the upper side of the limiting seat 204 is uniformly cut with a plurality of threaded holes 205, one end of the slide rod 203 is welded with a screw rod 206, the outer side of the slide rod 203 is fixed with an anti-off ring 120 by bolt, the connecting mechanism includes a sleeve 401, the sleeve 401 is rotatably connected with both ends of the valve body 100, the inner wall of the sleeve 401 is cut with an internal thread groove 402, the bottom of the sleeve 401 is fixed with a rubber ring 403 by bolt, both ends of the valve seat 200 are fixed with a flow guide ring 404 by bolt, the middle position of the valve body 100 is fixed with a ball head protection shell 130 by bolt, the ball head protection shell 130 protects the bevel gear A 102 and the bevel gear B 103, the outer side of the valve body 100 is fixed with a drive box 140 by bolt.

[0034] In the embodiment, the rotating ring 202 is arranged, the control rod 201 is driven to rotate by the rotating ring 202, the valve core 300 is driven to rotate along the valve seat 200 by the control rod 201, the opening of the metal sealing wear-resistant ball valve is controlled, the slide rod 203 is arranged, the slide rod 203 slides along the rotating ring 202, the screw rod 206 is engaged with the threaded hole 205, the rotating ring 202 is locked, the plurality of threaded holes 205 are uniformly arranged, thereby improving the precision of the opening control of the metal sealing wear-resistant ball valve, the flow guide ring 404 is arranged, the medium is guided by the flow guide ring 404, the impact of the medium on the valve core 300 is reduced, and the service life of the metal sealing wear-resistant ball valve is guaranteed.

[0035] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A metal-seated, wear-resistant ball valve, characterized in that, The utility model provides a valve body (100) and install in the valve body (100) inside valve seat (200) and valve core (300), one side of the valve body (100) is provided with the cleaning mechanism, the cleaning mechanism includes drive rod (101), drive rod (101) is rotatably connected to one side of the valve body (100), one end of drive rod (101) is provided with bevel gear A (102), the outside of bevel gear A (102) is provided with bevel gear B (103), the middle position of bevel gear B (103) is provided with pivot (104), one end of pivot (104) is provided with mounting plate (105), the outside of mounting plate (105) is provided with a plurality of brushes (106), the length of brush (106) is increasing, the top of the valve body (100) is provided with control mechanism, one side of the cleaning mechanism is provided with drive mechanism, both ends of the valve body (100) are provided with connecting mechanism.

2. A metal seated, wear resistant ball valve according to claim 1, wherein, The control mechanism includes control rod (201), the control rod (201) is fixed on the top of valve core (300) through bolt, one end of control rod (201) is provided with rotating ring (202), the outside of rotating ring (202) is provided with slide rod (203), the top of the valve body (100) is provided with limit seat (204), a plurality of threaded holes (205) are evenly arranged on the top of limit seat (204), one end of slide rod (203) is provided with screw rod (206).

3. A metal seated, wear resistant ball valve according to claim 1, wherein, The drive mechanism includes gear A (301), gear A (301) is fixed below drive rod (101) through bolt, the outside of gear A (301) is provided with gear B (302), gear B (302) is rotatably connected with the valve body (100), the lower side of gear B (302) is provided with round bar (303), one end of round bar (303) is provided with rotating arm (304).

4. A metal seated, wear resistant ball valve according to claim 1, wherein, The connecting mechanism includes sleeve (401), the sleeve (401) is rotatably connected to both ends of the valve body (100), the inner wall of the sleeve (401) is provided with internal thread groove (402), the bottom of the sleeve (401) is provided with rubber ring (403), both ends of the valve seat (200) are provided with flow guide ring (404).

5. A metal seated, wear resistant ball valve in accordance with claim 1 wherein, The outside of drive rod (101) is provided with sealing ring (110), the sealing ring (110) prevents the valve body (100) from leaking along the drive rod (101).

6. A metal seated, wear resistant ball valve according to claim 2 wherein, The outside of slide rod (203) is provided with anti-drop ring (120).

7. A metal seated, wear resistant ball valve according to claim 1 wherein, The middle position of the valve body (100) is provided with ball head protection shell (130), the ball head protection shell (130) protects bevel gear A (102) and bevel gear B (103), the outside of the valve body (100) is provided with drive box (140).

8. A metal seated, wear resistant ball valve according to claim 1 wherein, The outside of the valve core (300) is provided with rustproof layer (150), the rustproof layer (150) reduces the rust of the valve core (300).

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