Corrosion-resistant V-shaped ball valve

Abstract

The utility model provides a corrosion-resistant V-shaped ball valve. The corrosion-resistant V-shaped ball valve comprises a valve body, the outer portion of the valve body is fixedly sleeved with a reinforcing sleeve, the top of the reinforcing sleeve is fixedly connected with an adjusting box, the interior of the valve body is movably sleeved with a valve element, the top of the valve element is fixedly connected with a rotating shaft, and the outer portion of the rotating shaft is fixedly sleeved with a worm wheel. According to the corrosion-resistant V-shaped ball valve, the rotating motor is arranged, when the valve is controlled to be opened and closed, the rotating motor is started to drive the worm to rotate, and at the moment, the worm drives the rotating shaft to rotate through the worm gear, namely, the valve element is driven to rotate slowly in the valve body; therefore, the automatic closing effect of the interior of the valve body is achieved, the automatic opening and closing effect of the valve is achieved, the problem that manual opening and closing control of the valve is tedious is solved, and convenience is brought to control of the valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ball valve especially relates to a kind of corrosion-resistant V type ball valve. BACKGROUND

[0002] All kinds of ball valves have the same 90 ° rotation action when using, the difference is that plug body is spherical body, circular hole or passageway through its axis. Ball valve is mainly used to cut off, distribute and change the flow direction of medium in pipeline, it only needs to be closed tightly with 90 ° rotation operation and small rotation torque. Ball valve is most suitable for use as switch, cut-off valve. In recent years, with the development of research, ball valve can be designed to have throttling and flow control functions, such as V type ball valve.

[0003] In the prior art, such as the "V type ball valve" with the authorization announcement number CN218818300U of China, which includes ball, valve seat, side cover and valve rod;The ball is rotatably installed in the valve seat;The valve rod is in transmission connection with the top of the ball;The side cover is fixedly connected with the valve seat by the two sides of the valve seat;The valve seat is provided with a fan-shaped opening in the cross section on the liquid inlet side of the V type ball valve. Compared with the prior art, the utility model solves the problem that the ball is continuously impacted by the medium in the prior art, which can cause damage to the ball after a long time accumulation, affecting the functional effect of the V type ball valve.

[0004] When using ball valve in the prior art, the valve body rotating shaft needs to be rotated for a long time when opening and closing the ball valve, which causes the problem that it is relatively complex and cumbersome to manually open and close the ball valve.

[0005] Therefore, it is necessary to provide a corrosion-resistant V type ball valve to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of corrosion-resistant V type ball valve, solve the problem that it is relatively complex and cumbersome to manually open and close the ball valve due to the valve body rotating shaft needs to be rotated for a long time when opening and closing the ball valve.

[0007] To solve the above technical problems, the utility model provides a kind of corrosion-resistant V type ball valve, including valve body, the outside of the valve body is fixedly sleeved with reinforcing sleeve, the top of the reinforcing sleeve is fixedly connected with adjusting box, the inside of the valve body is movably sleeved with valve core, the top of the valve core is fixedly connected with rotating shaft, the outside of the rotating shaft is fixedly sleeved with worm wheel, the inside of the adjusting box is movably sleeved with worm, the outside of the adjusting box is fixedly installed with rotating motor, one end of the worm is fixedly sleeved with emergency turntable, the outside of the rotating shaft is movably sleeved with bearing, the outside of the valve core is provided with anticorrosive layer, the front of the valve body inner wall is provided with receiving groove, the inside of the valve body is provided with sealing mechanism.

[0008] Preferably, the worm is meshed with the worm gear, and one end of the worm is fixedly connected with the output shaft of the rotary motor.

[0009] Preferably, the emergency turntable is made of stainless steel material, and is located in front of the adjusting box.

[0010] Preferably, the reinforcing sleeve is matched with the valve body, and is perpendicular to the adjusting box.

[0011] Preferably, the bearing fixing sleeve is arranged at the bottom of the inner cavity of the adjusting box, and the number of the bearings is two.

[0012] Preferably, the anticorrosion layer is in close contact with the inner wall of the valve body, and is made of chromium-nickel alloy material.

[0013] Preferably, the receiving groove is matched with the valve core, and is located in the middle part of the inner wall of the reinforcing sleeve.

[0014] Preferably, the sealing mechanism comprises a sealing ring, the sealing ring is fixedly sleeved in the inner part of the valve body, the side surface of the sealing ring is fixedly connected with an extrusion sleeve, and the extrusion sleeve is in close contact with the side surface of the valve core.

[0015] Compared with the related art, the corrosion-resistant V-shaped ball valve has the following beneficial effects:

[0016] The corrosion-resistant V-shaped ball valve has the following beneficial effects:

[0017] When the valve core rotates, the sealing ring tightly extrudes the extrusion sleeve on the side surface of the valve core, so that the sealing effect between the valve core and the inner wall gap of the valve body is achieved, and the sealing effect of the ball valve when closed is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of a preferred embodiment of the corrosion-resistant V-shaped ball valve is shown.

[0019] Figure 2 The structure diagram of a preferred embodiment of the corrosion-resistant V-shaped ball valve is shown. Figure 1 The front view of the corrosion-resistant V-shaped ball valve is shown.

[0020] Figure 3 The structure diagram of a preferred embodiment of the corrosion-resistant V-shaped ball valve is shown.Figure 1 The figure shows a cross-sectional view of the valve body in a corrosion-resistant V-type ball valve;

[0021] Figure 4 for Figure 1 The image shows a front view of the worm gear in a corrosion-resistant V-type ball valve.

[0022] The following are the labels in the diagram: 1. Valve body; 2. Reinforcing sleeve; 3. Adjusting box; 4. Valve core; 5. Rotating shaft; 6. Worm gear; 7. Worm; 8. Rotary motor; 9. Emergency turntable; 10. Bearing; 11. Anti-corrosion layer; 12. Storage groove; 13. Sealing mechanism; 131. Sealing ring; 132. Extrusion sleeve. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A schematic diagram of a preferred embodiment of a corrosion-resistant V-type ball valve provided by this utility model; Figure 2 for Figure 1 The image shows a front view of a corrosion-resistant V-type ball valve. Figure 3 for Figure 1 The figure shows a cross-sectional view of the valve body in a corrosion-resistant V-type ball valve; Figure 4 for Figure 1 The image shows a front view of a worm gear in a corrosion-resistant V-type ball valve. The corrosion-resistant V-type ball valve includes a valve body 1, a reinforcing sleeve 2 fixedly fitted to the outside of the valve body 1, an adjusting box 3 fixedly connected to the top of the reinforcing sleeve 2, a valve core 4 movably fitted inside the valve body 1, a rotating shaft 5 fixedly connected to the top of the valve core 4, a worm gear 6 fixedly fitted to the outside of the rotating shaft 5, a worm 7 movably fitted inside the adjusting box 3, a rotary motor 8 fixedly mounted outside the adjusting box 3, an emergency turntable 9 fixedly fitted to one end of the worm 7, a bearing 10 movably fitted to the outside of the rotating shaft 5, an anti-corrosion layer 11 on the outside of the valve core 4, a receiving groove 12 on the front of the inner wall of the valve body 1, and a sealing mechanism 13 inside the valve body 1.

[0025] The worm 7 is in meshing connection with the worm wheel 6, and one end of the worm 7 is fixedly connected with the output shaft of the rotary motor 8; by arranging the rotary motor 8, when the valve control is opened and closed, the rotary motor 8 is started, so that the rotary motor 8 drives the worm 7 to rotate, at this time the worm 7 drives the rotating shaft 5 to rotate through the worm wheel 6, that is, the valve core 4 is driven to rotate slowly in the valve body 1, so that the automatic sealing effect in the valve body 1 is achieved, and the automatic opening and closing effect of the valve is achieved, so that the problem that the valve is manually controlled to open and close is avoided, thereby bringing convenience for the control of the valve.

[0026] The material of the emergency turntable 9 is stainless steel material, and the emergency turntable 9 is located in front of the adjusting box 3; by arranging the emergency turntable 9, when the rotary motor 8 fails to use, the emergency turntable 9 is manually rotated, so that the emergency turntable 9 drives the worm 7 to rotate, that is, the valve core 4 is driven to rotate through the worm wheel 6, so that the effect of manually driving the valve to open and close is achieved, thereby achieving the emergency control effect of the valve.

[0027] The reinforcing sleeve 2 is matched with the valve body 1, and the reinforcing sleeve 2 is perpendicular to the adjusting box 3; by arranging the reinforcing sleeve 2, when the valve is used for a long time, the reinforcing sleeve 2 greatly improves the strength of the valve body 1 outside the valve core 4, so that the problem that the valve body 1 is easily deformed outside when conveying substances with large temperature difference inside the valve body 1 is avoided, thereby improving the stability of the valve when used.

[0028] The bearing 10 is fixedly sleeved at the bottom of the inner cavity of the adjusting box 3, and the number of the bearing 10 is two; by arranging the bearing 10, when the rotating shaft 5 rotates for a long time, the bearing 10 limits the rotating shaft 5, so that the problem that the rotating shaft 5 rubs against the inner wall of the adjusting box 3 when rotating for a long time is avoided, thereby improving the fluency of the rotating shaft 5 when rotating for a long time, that is, improving the fluency of the valve when controlled and adjusted.

[0029] The anticorrosion layer 11 is in close contact with the inner wall of the valve body 1, and the material of the anticorrosion layer 11 is chromium-nickel alloy material; by arranging the anticorrosion layer 11, when the valve conveys chemical substances, the anticorrosion layer 11 protects the valve core 4, so that the problem that the valve core 4 is corroded and damaged when contacting chemical substances for a long time is avoided, thereby improving the corrosion resistance of the valve when used.

[0030] The receiving groove 12 is matched with the valve core 4, and the receiving groove 12 is located at the middle part of the inner wall of the reinforcing sleeve 2; by arranging the receiving groove 12, when the valve core 4 is rotated to open the valve, the receiving groove 12 receives the valve core 4, so that the flowing substances in the valve body 1 can pass through the side of the valve core 4, thereby avoiding the problem that the valve core 4 is severely worn when the flowing substances in the valve body 1 impact the valve core 4 for a long time, thereby achieving the service life of the valve core 4.

[0031] The sealing mechanism 13 comprises a sealing ring 131 fixedly sleeved in the inside of the valve body 1, and the side surface of the sealing ring 131 is fixedly connected with an extrusion sleeve 132 in close contact with the side surface of the valve core 4; by arranging the sealing mechanism 13, when the valve core 4 rotates, the sealing ring 131 can drive the extrusion sleeve 132 to be closely extruded on the side surface of the valve core 4, so that the sealing effect between the valve core 4 and the gap between the inner wall of the valve body 1 is achieved, thereby improving the sealing effect of the ball valve when closed.

[0032] The working principle of the corrosion-resistant V-shaped ball valve is as follows:

[0033] First step: when the valve is controlled to open and close, the rotary motor 8 is started, so that the rotary motor 8 drives the worm 7 to rotate, at this time the worm 7 drives the rotating shaft 5 to rotate through the worm gear 6, that is, drives the valve core 4 to slowly rotate in the valve body 1, so that the automatic sealing effect in the valve body 1 is achieved, and the automatic opening and closing effect of the valve is achieved, so that the problem of tediousness when the valve is manually controlled to open and close is avoided, thereby bringing convenience to the control of the valve, when the rotary motor 8 fails to use, the emergency turntable 9 is manually rotated, so that the emergency turntable 9 drives the worm 7 to rotate, that is, the valve core 4 is rotated through the worm gear 6, so that the effect of manually driving the valve to open and close is achieved, thereby achieving the emergency control effect of the valve, when the valve is used for a long time, the reinforcing sleeve 2 greatly improves the strength of the valve body 1 outside the valve core 4, so that the problem of slight deformation of the valve body 1 outside when the valve body 1 inside transports substances with large temperature difference is avoided, thereby improving the stability of the valve when used, when the rotating shaft 5 rotates for a long time, the bearing 10 limits the rotation of the rotating shaft 5, so that the problem of friction between the rotating shaft 5 and the inner wall of the adjusting box 3 when the rotating shaft 5 rotates for a long time is avoided, thereby improving the smoothness of the rotating shaft 5 when rotating for a long time, that is, improving the smoothness of the valve control adjustment;

[0034] Second step: when the valve transports chemicals, the anticorrosive layer 11 protects the valve core 4, so that the problem of corrosion and damage of the valve core 4 when in contact with chemicals for a long time is avoided, thereby improving the corrosion resistance of the valve when used, when the valve core 4 rotates to open the valve, the receiving groove 12 receives the valve core 4, so that the flowing material in the valve body 1 can pass through the side surface of the valve core 4, thereby avoiding the problem of serious wear of the valve core 4 caused by the long-time impact of the flowing material in the valve body 1 on the valve core 4, thereby prolonging the service life of the valve core 4, when the valve core 4 rotates, the sealing ring 131 drives the extrusion sleeve 132 to be closely extruded on the side surface of the valve core 4, so that the sealing effect between the valve core 4 and the gap between the inner wall of the valve body 1 is achieved, thereby improving the sealing effect of the ball valve when closed.

[0035] Compared with the related art, the corrosion-resistant V-type ball valve has the following beneficial effects:

[0036] When the valve is controlled to open and close, the rotating motor 8 is started to drive the worm 7 to rotate, and the worm 7 drives the rotating shaft 5 to rotate through the worm gear 6, that is, the valve core 4 is slowly rotated in the valve body 1, so that the automatic closing effect in the valve body 1 is achieved, and the automatic opening and closing effect of the valve is achieved, so that the problem of complicated manual control of the valve is avoided, thereby facilitating the control of the valve.

[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A corrosion-resistant V-type ball valve, comprising a valve body (1), characterized in that: The valve body (1) is fixedly fitted with a reinforcing sleeve (2), and the top of the reinforcing sleeve (2) is fixedly connected to an adjusting box (3). The valve body (1) is movably fitted with a valve core (4), and the top of the valve core (4) is fixedly connected to a rotating shaft (5). The rotating shaft (5) is fixedly fitted with a worm gear (6). The adjusting box (3) is movably fitted with a worm (7). The adjusting box (3) is fixedly installed with a rotary motor (8). One end of the worm (7) is fixedly fitted with an emergency turntable (9). The rotating shaft (5) is movably fitted with a bearing (10). The valve core (4) is provided with an anti-corrosion layer (11). The valve body (1) has a storage groove (12) on the front of its inner wall. The valve body (1) is provided with a sealing mechanism (13).

2. The corrosion-resistant V-type ball valve according to claim 1, characterized in that, The worm (7) is meshed with the worm wheel (6), and one end of the worm (7) is fixedly connected to the output shaft of the rotary motor (8).

3. The corrosion-resistant V-type ball valve according to claim 1, characterized in that, The emergency turntable (9) is made of stainless steel and is located directly in front of the regulating box (3).

4. The corrosion-resistant V-type ball valve according to claim 1, characterized in that, The reinforcing sleeve (2) is adapted to the valve body (1), and the reinforcing sleeve (2) and the regulating box (3) are perpendicular to each other.

5. A corrosion-resistant V-type ball valve according to claim 1, characterized in that, The bearing (10) is fixedly sleeved at the bottom of the inner cavity of the regulating box (3), and there are two bearings (10).

6. A corrosion-resistant V-type ball valve according to claim 1, characterized in that, The anti-corrosion layer (11) is in close contact with the inner wall of the valve body (1), and the material of the anti-corrosion layer (11) is a chromium-nickel alloy.

7. A corrosion-resistant V-type ball valve according to claim 1, characterized in that, The storage groove (12) is adapted to the valve core (4), and the storage groove (12) is located in the center of the inner wall of the reinforcing sleeve (2).

8. A corrosion-resistant V-type ball valve according to claim 1, characterized in that, The sealing mechanism (13) includes a sealing ring (131), which is fixedly sleeved inside the valve body (1). A compression sleeve (132) is fixedly connected to the side of the sealing ring (131), and the compression sleeve (132) is in close contact with the side of the valve core (4).

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