Electric valve

Abstract

The invention relates to a valve, in particular to an electric valve. An electric valve comprises a butterfly valve plate, a ball sleeve is arranged in the center of the butterfly valve plate, and a ball valve element is rotationally connected into the ball sleeve. An outer shaft is fixed to the upper side of the butterfly valve plate, an inner shaft is fixed to the upper side of the ball valve element, the inner shaft penetrates through the outer shaft, and the inner shaft is rotationally connected to the outer shaft. A rubber ring adheres to the inner side of the shell, the butterfly valve plate is arranged on an inner ring of the rubber ring, the outer shaft penetrates through the upper portion of the shell, and a sealing ring is arranged at the connecting position of the outer shaft and the shell. A first worm gear is fixed to the upper portion of the outer shaft, and a second worm gear is fixed to the upper portion of the inner shaft. The butterfly valve can be used as a butterfly valve and a ball valve at the same time to meet different use requirements.

Description

Technical Field

[0001] The present invention relates to a valve, and more particularly to an electric valve. Background Art

[0002] An electric valve is a device that uses electric power to control the opening and closing of a valve. It is widely used in fluid control systems. It usually consists of an electric actuator and a valve body. The advantages of electric valves include fast response, high control accuracy, and automated control. Common types of electric valves are: Electric ball valve: suitable for fast cutting and flow regulation, with good sealing performance. Electric butterfly valve: simple structure, light weight, suitable for flow regulation of large-diameter pipelines. However, traditional electric valves can only be one type of valve, and cannot be used as butterfly valves and ball valves at the same time, and cannot meet different usage requirements. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides an electric valve, which has the beneficial effect of being able to be used as a butterfly valve and a ball valve at the same time to meet different usage requirements.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] An electric valve comprises a butterfly valve plate. A ball sleeve is arranged at the center of the butterfly valve plate, and a ball valve core is rotatably connected in the ball sleeve.

[0006] An outer shaft is fixed on the upper side of the butterfly valve plate, an inner shaft is fixed on the upper side of the ball valve core, the inner shaft passes through the outer shaft, and the inner shaft is rotatably connected to the outer shaft.

[0007] A rubber ring is bonded to the inner side of the shell, a butterfly valve plate is arranged on the inner ring of the rubber ring, the outer shaft passes through the upper part of the shell, and a sealing ring is arranged at the connection position between the outer shaft and the shell.

[0008] A worm gear 1 is fixed on the upper part of the outer shaft, and a worm gear 2 is fixed on the upper part of the inner shaft.

[0009] A support rod is fixed on the upper side of the shell, a motor frame is fixed on the support rod, motors are fixed at the upper and lower ends of the motor frame, worms are fixed on the output shafts of the two motors, and the two worms are respectively meshed with worm gear one and worm gear two. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0011] Figure 1 A schematic diagram of the structure of an electric valve Figure 1 ;

[0012] Figure 2 A schematic diagram of the structure of an electric valve Figure 2 ;

[0013] Figure 3 A schematic diagram of the structure of an electric valve Figure 3 ;

[0014] Figure 4 A schematic diagram of the structure of an electric valve Figure 4 ;

[0015] Figure 5 The structure of the butterfly valve plate Figure 1 ;

[0016] Figure 6 The structure of the butterfly valve plate Figure 2 ;

[0017] Figure 7 The structure of the ball valve core is shown in Figure 1. Figure 1 ;

[0018] Figure 8 The structure of the ball valve core is shown in Figure 1. Figure 2 ;

[0019] Fig. 9 The structure of the shell is shown in Figure 2. Figure 1 ;

[0020] Fig.10 The structure of the shell is shown in Figure 2. Figure 2 ;

[0021] Fig.11 The structure of the motor frame Figure 1 ;

[0022] Fig.12 The structure of the motor frame Figure 2 ;

[0023] Fig.13 The structure of the arc rod Figure 1 ;

[0024] Fig.14 The structure of the arc rod Figure 2 ;

[0025] Fig.15 The structure of the arc rod Figure 3 ;

[0026] In the figure: butterfly valve plate 101; ball sleeve 102; outer shaft 103; worm gear 104; convex piece 105;

[0027] Ball valve core 201; inner shaft 202; worm gear 203; protruding piece 204;

[0028] Shell 301; flange 302; support rod 303; stop rod 1 304; stop rod 2 305; rubber ring 306;

[0029] Motor frame 401; motor 402; worm 403; slide bar 404; T-shaped plate 405; electric telescopic rod 406;

[0030] Arc rod 501; horizontal column 502; side seat 503; hand screw 504; conical block 505; horizontal rod 506; vertical plate 507; ring plate 508. DETAILED DESCRIPTION

[0031] like Figure 5-8 As shown, this example can achieve the effect that the electric valve can be used as a butterfly valve and a ball valve at the same time.

[0032] Since the electric valve includes a butterfly valve plate 101, a ball sleeve 102 is provided at the center of the butterfly valve plate 101, and a ball valve core 201 is rotatably connected in the ball sleeve 102. The butterfly valve plate 101 can rotate and thus be used as a butterfly valve. When the butterfly valve plate 101 is closed, the ball valve core 201 rotates and thus is used as a ball valve. Thus, the electric valve can be used as both a butterfly valve and a ball valve to meet different usage requirements.

[0033] like Figure 5-8 As shown, this example can achieve the effect of driving the butterfly valve plate 101 and the ball valve core 201 to rotate.

[0034] Since the upper side of the butterfly valve plate 101 is connected to the outer shaft 103, the upper side of the ball valve core 201 is fixed with the inner shaft 202, the inner shaft 202 passes through the outer shaft 103, and the inner shaft 202 is rotatably connected to the outer shaft 103, the butterfly valve plate 101 is driven to rotate by the rotation of the outer shaft 103, and the ball valve core 201 is driven to rotate by the rotation of the inner shaft 202.

[0035] like Figure 5-10 As shown, this example can achieve the effect of controlling the flow of the valve by rotating the ball valve core 201.

[0036] Since a rubber ring 306 is bonded to the inner side of the housing 301, the butterfly valve plate 101 is arranged on the inner ring of the rubber ring 306, the outer shaft 103 passes through the upper part of the housing 301, and a sealing ring is arranged at the connection position between the outer shaft 103 and the housing 301, and flanges 302 are arranged at both ends of the housing 301. The housing 301 serves as the valve body of the valve, and the butterfly valve plate 101 rotates in the housing 301 to control the opening and closing of the valve. When the butterfly valve plate 101 is closed, the flow of the valve is controlled by rotating the ball valve core 201. The flanges 302 on both sides facilitate the connection of the valve to the pipeline.

[0037] like Figure 5-8 As shown, this example can achieve the effect of conveniently and independently controlling the rotation of the butterfly valve plate 101 and the ball valve core 201 .

[0038] Since the worm gear 104 is fixed on the upper part of the outer shaft 103, the worm gear 203 is fixed on the upper part of the inner shaft 202, the support rod 303 is fixed on the upper side of the housing 301, the motor frame 401 is fixed on the support rod 303, the motors 402 are fixed on the upper and lower ends of the motor frame 401, the output shafts of the two motors 402 are fixed with worms 403, and the two worms 403 are respectively engaged with the worm gear 104 and the worm gear 203. The two motors 402 drive the two worms 403 to rotate respectively, and then drive the worm gear 104 and the worm gear 203 to rotate, so as to facilitate the individual control of the butterfly valve plate 101 and the ball valve core 201 to rotate.

[0039] like Figure 7-10 As shown, this example can achieve the effect of ensuring the reliability of the valve after closing.

[0040] Since the upper side of the housing 301 is welded with the first blocking rod 304 and the second blocking rod 305 , the worm gear 1 104 is connected with the first protrusion 105 , the worm gear 203 is connected with the second protrusion 204 , and the first protrusion 105 and the second protrusion 204 are located between the first blocking rod 304 and the second blocking rod 305 . When the protrusion 105 and the protrusion 204 are in contact with the blocking rod 1 304, the butterfly valve plate 101 and the ball valve core 201 are completely closed. When the protrusion 105 and the protrusion 204 are in contact with the blocking rod 2 305, the butterfly valve plate 101 and the ball valve core 201 are completely opened. When the protrusion 105 and the protrusion 204 are in contact with the blocking rod 2 305, a T-shaped plate 405 is fixed to the motor frame 401. Two sliding rods 404 are connected to the T-shaped plate 405 for horizontal sliding. The two sliding rods 404 are driven to slide by two electric telescopic rods 406 respectively. The two sliding rods 404 are respectively at the same horizontal height as the blocking rod 1 304 and the blocking rod 2 305, driving the two sliding rods 404 to slide to the right and block the protrusion 105 and the protrusion 2 204, thereby preventing the valve from opening by itself and ensuring the reliability of the valve after closing. The rotation of the worm gear 1 104 and the worm gear 2 203 is limited by the stopper rod 1 304 and the stopper rod 2 305 to prevent the worm gear 1 104 and the worm gear 2 203 from rotating excessively.

[0041] like Figure 9-15 As shown, this example can achieve the effect of moving the cross bar 506 and the two conical blocks 505 in the direction of liquid flow.

[0042] Since the upper inner part of the housing 301 is connected with an arc rod 501 by screws, a sealing ring is arranged between the screws connecting the arc rod 501 and the housing, a vertical plate 507 is fixed on the lower side of the arc rod 501, a cross bar 506 is connected to the vertical plate 507 in a horizontal sliding manner, cone blocks 505 are fixed to the left and right ends of the cross bar 506, the conical surfaces of the two cone blocks 505 are arranged oppositely, and compression springs are sleeved on the left and right ends of the cross bar 506, and the two compression springs are respectively located on both sides of the vertical plate 507. When the liquid in the valve flows, it will impact the outer side of one of the cone blocks 505, thereby driving the cross bar 506 and the two cone blocks 505 to move in the direction of liquid flow, and the two compression springs help the cross bar 506 and the two cone blocks 505 return to their original positions. A sealing ring is arranged between the screws connecting the arc rod 501 and the housing to improve the sealing performance between the screws and the housing.

[0043] like Figure 13-15 As shown, this example can achieve the effect of adjusting the electric valve to a one-way valve that can select the direction.

[0044] Since horizontal columns 502 are fixed on the left and right sides of the upper part of the vertical plate 507, side seats 503 are fixed on the outer ends of the two horizontal columns 502, and each side seat 503 is rotatably connected to a hand screw 504 through a bearing seat, the upper parts of the two ring plates 508 are respectively slidably connected to the left and right ends of the horizontal column 502, and the two hand screws 504 are respectively matched with the two ring plates 508 through threads, and the two ring plates 508 are respectively located on the inner sides of the two conical blocks 505. By rotating the two hand screws 504 on the side seat 503, the two ring plates 508 can be controlled to slide left and right on the horizontal column 502 respectively. When the valve needs to be changed into a one-way valve, one of the ring plates 508 is driven close to the vertical plate 507. At this time, when the liquid flow drives the cross bar 506 and the two conical blocks 505 to move to one side, the conical block 505 will not be completely pressed on this ring plate 508, that is, the ring plate 508 on this side will not be closed, and the liquid will flow from the ring plate 508 on this side to the conical block 505 and the ring plate 508 on the other side. At this time, the liquid rushes to the conical surface of the conical block 505 on the other side, and then a gap is generated between the conical block 505 and the ring plate 508 on the other side, so that the liquid can flow through in one direction but cannot flow through in the opposite direction. Then, the left or right ring plate 508 is adjusted close to the vertical plate 507 as needed, and then the electric valve is adjusted to a one-way valve with selectable direction, and both ring plates 508 are close to the vertical plate 507, so that the valve becomes a two-way valve.

Claims

1. An electric valve, comprising a butterfly valve plate (101), characterized in that: A ball sleeve (102) is arranged at the center of the butterfly valve plate (101), and a ball valve core (201) is rotatably connected inside the ball sleeve (102).

2. An electric valve according to claim 1, characterized in that: An outer shaft (103) is fixed on the upper side of the butterfly valve plate (101), an inner shaft (202) is fixed on the upper side of the ball valve core (201), the inner shaft (202) passes through the outer shaft (103), and the inner shaft (202) is rotatably connected to the outer shaft (103).

3. An electric valve according to claim 2, characterized in that: A rubber ring (306) is bonded to the inner side of the housing (301), the butterfly valve plate (101) is arranged on the inner ring of the rubber ring (306), the outer shaft (103) passes through the upper part of the housing (301), a sealing ring is arranged at the connection position between the outer shaft (103) and the housing (301), and flanges (302) are arranged at both left and right ends of the housing (301).

4. An electric valve according to claim 3, characterized in that: A worm gear 1 (104) is fixed on the upper portion of the outer shaft (103), and a worm gear 2 (203) is fixed on the upper portion of the inner shaft (202).

5. An electric valve according to claim 4, characterized in that: A support rod (303) is fixed on the upper side of the housing (301), a motor frame (401) is fixed on the support rod (303), motors (402) are fixed at both upper and lower ends of the motor frame (401), worms (403) are fixed on the output shafts of the two motors (402), and the two worms (403) are respectively meshed with a worm wheel 1 (104) and a worm wheel 2 (203).

6. An electric valve according to claim 5, characterized in that: A blocking rod 1 (304) and a blocking rod 2 (305) are fixed on the upper side of the housing (301), a protruding piece 1 (105) is fixed on the worm gear 1 (104), and a protruding piece 2 (204) is fixed on the worm gear 2 (203), and the protruding piece 1 (105) and the protruding piece 2 (204) are located between the blocking rod 1 (304) and the blocking rod 2 (305).

7. An electric valve according to claim 6, characterized in that: When the protruding piece 1 (105) and the protruding piece 2 (204) are in contact with the blocking rod 1 (304), the butterfly valve plate (101) and the ball valve core (201) are completely closed; when the protruding piece 1 (105) and the protruding piece 2 (204) are in contact with the blocking rod 2 (305), the butterfly valve plate (101) and the ball valve core (201) are completely opened.

8. An electric valve according to claim 7, characterized in that: A T-shaped plate (405) is fixed on the motor frame (401), and two sliding rods (404) are connected to the T-shaped plate (405) in a transverse sliding manner. The two sliding rods (404) are driven to slide respectively by two electric telescopic rods (406), and the two sliding rods (404) are respectively at the same horizontal height as the first blocking rod (304) and the second blocking rod (305).

9. An electric valve according to claim 8, characterized in that: The upper inner part of the shell (301) is connected to an arc rod (501) by screws, and a sealing ring is arranged between the screws connecting the arc rod (501) and the shell, a vertical plate (507) is fixed to the lower side of the arc rod (501), and a cross bar (506) is connected to the vertical plate (507) in a transverse sliding manner, and conical blocks (505) are fixed to the left and right ends of the cross bar (506), and the conical surfaces of the two conical blocks (505) are arranged opposite to each other, and compression springs are sleeved on the left and right ends of the cross bar (506), and the two compression springs are respectively located on both sides of the vertical plate (507).

10. An electric valve according to claim 9, characterized in that: The left and right sides of the upper part of the vertical plate (507) are fixed with horizontal columns (502), the outer ends of the two horizontal columns (502) are fixed with side seats (503), each side seat (503) is rotatably connected with a hand screw (504) through a bearing seat, the upper parts of the two ring plates (508) are respectively slidably connected to the left and right ends of the horizontal column (502), the two hand screws (504) are respectively matched with the two ring plates (508) through threads, and the two ring plates (508) are respectively located on the inner sides of the two conical blocks (505).

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