Combined valve ball with high sealing performance

Abstract

The utility model belongs to valve ball technology field, concretely relates to a combined valve ball of high sealing performance, including ball valve, the inner wall of ball valve is opened with flow -through mouth, the outer surface of ball valve is provided with the connecting pipe, the outer surface of connecting pipe is provided with sealing device, sealing device, including sealing washer, sealing washer sets up on the outer surface of connecting pipe, the outer surface fixedly connected with fixed plate of connecting pipe, the side of fixed plate is opened with the sliding slot, the inner wall sliding connection with slider of sliding slot, the side fixedly connected with support rod of slider, the top fixedly connected with clamping plate of support rod. The utility model solves the problem of sealing, and the cooperation of sealing washer, fixed plate, sliding slot, slider, support rod, clamping plate, through slot, bolt, nut, when the bolt and nut are screwed tightly through the rotation when clamping the sealing washer of clamping plate, so that the effect that clamping plate clamps the sealing washer better.

Description

Technical Field

[0001] This utility model belongs to the field of valve ball technology, specifically relating to a combined valve ball with high sealing performance. Background Technology

[0002] High-sealing-performance combination valves primarily consist of a ball, seat, stem, and sealing ring, designed to ensure reliable sealing under various operating conditions. The ball is typically made of a metallic material, such as stainless steel, to ensure stability under high pressure and high temperature environments. The seat is made of an elastic material, such as rubber or a special synthetic material, to provide excellent sealing performance and wear resistance.

[0003] Chinese patent publication number CN202708181U discloses a sealing structure for a combined ball valve, including a valve body and a ball. The ball is positioned in the middle of the valve body, and sealing rings are respectively positioned on both sides of the ball. The sealing rings are mounted on the valve body, and an O-ring is provided between the valve body and the sealing rings. This combined ball valve sealing structure, with the O-ring between the sealing ring and the valve body, increases the elastic modulus, improving the valve's sealing performance. Furthermore, the O-ring is made of fluororubber, which, when used with the plastic sealing ring, does not affect the fit between the sealing ring and the valve ball, and also facilitates valve opening and closing. When the valve body and ball are subjected to thermal expansion and contraction, it will not cause difficulty in opening and closing the valve, and the valve's sealing performance will not be affected. In addition, this structure reduces friction between the sealing ring and the ball, increasing the valve's service life.

[0004] However, the current valve ball has the following problems: In existing ball valves, the seal between the valve body and the ball is generally achieved by a sealing ring. However, since the sealing ring is made of plastic, it is easy for the valve to fail to seal properly. Therefore, we propose a combined valve ball with high sealing performance. Utility Model Content

[0005] The purpose of this invention is to provide a combined valve ball with high sealing performance, which can solve the problem of poor sealing in related technologies.

[0006] The specific technical solution adopted by this utility model is as follows:

[0007] A high-sealing-performance combined valve ball includes a ball valve, wherein the inner wall of the ball valve has a flow port, the outer surface of the ball valve is provided with a connecting pipe, and the outer surface of the connecting pipe is provided with a sealing device.

[0008] The sealing device includes a sealing ring disposed on the outer surface of a connecting pipe. A fixing plate is fixedly connected to the outer surface of the connecting pipe. A sliding groove is formed on the side of the fixing plate. A slider is slidably connected to the inner wall of the sliding groove. A support rod is fixedly connected to the side of the slider. A clamping plate is fixedly connected to the top of the support rod. A through groove is formed on the side of the clamping plate. A bolt is threadedly connected to the inner wall of the through groove. A nut is threadedly connected to the circumferential surface of the bolt.

[0009] A reset spring is fixedly connected to the side of the slider. The end of the reset spring away from the slider is fixedly connected to the side of the fixing plate. The function of the reset spring is to reset the clamping plate when it is released.

[0010] The number of the fixed plate, slide, slider, support rod, clamping plate, through groove, bolt, nut and return spring is set to two, and they are symmetrical to each other along the vertical central axis of the ball valve. The through groove is used to improve production efficiency and reduce installation costs, while also facilitating maintenance and management.

[0011] The ball valve is equipped with a cleaning device, which includes a support plate fixedly connected to the inner wall of the connecting pipe. A motor is fixedly connected to the side of the support plate, and a rotating rod is fixedly connected to the output shaft of the motor. A connecting rod is fixedly connected to the outer surface of the rotating rod, and a connecting block is fixedly connected to the side of the connecting rod. A connecting rod slides through the inner wall of the connecting block, and a cleaning block is fixedly connected to the side of the connecting rod.

[0012] The connecting block has a sliding groove on its circumferential surface, and the cleaning block is shaped as an arc surface. The sliding groove is used to limit the displacement trajectory of the sliding block.

[0013] A second return spring is fixedly connected to the side of the connecting rod. The end of the second return spring away from the connecting rod is fixedly connected to the side of the connecting rod. The function of the connecting rod and the connecting rod is to make the cleaning block clean the pipe better.

[0014] The number of connecting rods, connecting blocks, connecting rods, cleaning blocks and return springs is set to several, and they are arranged in a circumferential array on the circumferential surface of the rotating rod. The function of the cleaning blocks is to clean when the double flanges are blocked.

[0015] The technical effects achieved by this utility model are as follows:

[0016] This utility model, through the setting of a sealing device and the cooperation of a sealing ring, a fixing plate, a sliding groove, a slider, a support rod, a clamping plate, a through groove, a bolt, a nut, and a return spring, enables the bolt and nut to be tightened by rotation when the clamping plate clamps the sealing ring, thereby achieving a better clamping effect on the sealing ring.

[0017] This utility model, through the setting of a cleaning device and the cooperation of a support plate, motor, rotating rod, connecting rod, connecting block, connecting rod, cleaning block, return spring, and sliding groove, enables the rotating rod to rotate under the drive of the motor, which in turn drives the connecting rod, connecting block, connecting rod, and cleaning block. This allows the centrifugal force during rotation to throw out the cleaning block, thereby achieving the effect of cleaning the pipe. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of this practical sealing device;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of this practical cleaning device;

[0021] Figure 4 This is a utility model Figure 2 A schematic diagram of the three-dimensional magnified structure at point A in the middle;

[0022] Figure 5 This is a utility model Figure 4 A schematic diagram of the three-dimensional magnified structure at point B.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1. Ball valve; 2. Flow port; 3. Connecting pipe; 4. Sealing device; 41. Sealing ring; 42. Fixing plate; 43. Slide groove; 44. Slider; 45. Support rod; 46. Clamping plate; 47. Through groove; 48. Bolt; 49. Nut; 410. Return spring one; 5. Cleaning device; 51. Support plate; 52. Motor; 53. Rotating rod; 54. Connecting rod; 55. Connecting block; 56. Connecting rod; 57. Cleaning block; 58. Return spring two; 59. Slide groove. Detailed Implementation

[0025] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0026] like Figure 1-5 As shown, a high-sealing-performance combined valve ball includes a ball valve 1, the inner wall of the ball valve 1 is provided with a flow port 2, the outer surface of the ball valve 1 is provided with a connecting pipe 3, and the outer surface of the connecting pipe 3 is provided with a sealing device 4.

[0027] The sealing device 4 includes a sealing ring 41, which is disposed on the outer surface of the connecting pipe 3. A fixing plate 42 is fixedly connected to the outer surface of the connecting pipe 3. A sliding groove 43 is provided on the side of the fixing plate 42. A slider 44 is slidably connected to the inner wall of the sliding groove 43. A support rod 45 is fixedly connected to the side of the slider 44. A clamping plate 46 is fixedly connected to the top of the support rod 45. A through groove 47 is provided on the side of the clamping plate 46. A bolt 48 is threadedly connected to the inner wall of the through groove 47. A nut 49 is threadedly connected to the circumferential surface of the bolt 48.

[0028] A reset spring 410 is fixedly connected to the side of the slider 44. The end of the reset spring 410 away from the slider 44 is fixedly connected to the side of the fixing plate 42. The function of the reset spring 410 is to reset the clamping plate 46 when it is released.

[0029] The number of the fixed plate 42, slide groove 43, slider 44, support rod 45, clamping plate 46, through groove 47, bolt 48, nut 49 and return spring 410 are each set to two, and they are symmetrical to each other along the vertical central axis of ball valve 1. The function of through groove 47 is to improve production efficiency and reduce installation costs, while facilitating maintenance and management.

[0030] According to the above structure, firstly, when it is necessary to seal the ball valve 1, the sealing device 4 can be used to seal the ball valve 1. The slider 44 moves inside the slide groove 43. When the slider 44 moves, it will drive the return spring 410 to stretch. When the slider 44 moves, it will drive the clamping plate 46 to clamp the sealing ring 41 through the support rod 45. When the clamping plate 46 is to clamp the sealing ring 41, the bolt 48 and nut 49 are tightened by rotation, so that the clamping plate 46 can better clamp the sealing ring 41.

[0031] The ball valve 1 is equipped with a cleaning device 5. The cleaning device 5 includes a support plate 51, which is fixedly connected to the inner wall of the connecting pipe 3. A motor 52 is fixedly connected to the side of the support plate 51. A rotating rod 53 is fixedly connected to the output shaft of the motor 52. A connecting rod 54 is fixedly connected to the outer surface of the rotating rod 53. A connecting block 55 is fixedly connected to the side of the connecting rod 54. A connecting rod 56 slides through the inner wall of the connecting block 55. A cleaning block 57 is fixedly connected to the side of the connecting rod 56.

[0032] The connecting block 55 has a sliding groove 59 on its circumferential surface, and the cleaning block 57 is shaped as an arc surface. The function of the sliding groove 59 is to limit the displacement trajectory of the sliding block.

[0033] A second return spring 58 is fixedly connected to the side of the connecting rod 54. The end of the second return spring 58 away from the connecting rod 54 is fixedly connected to the side of the connecting rod 56. The function of the connecting rod 54 and the connecting rod 56 is to make the cleaning block 57 clean the pipe better.

[0034] The number of connecting rods 54, connecting blocks 55, connecting rods 56, cleaning blocks 57 and return springs 58 is provided in several quantities and arranged in a circumferential array on the circumferential surface of the rotating rod 53. The function of the cleaning blocks 57 is to clean the ball valve 1 when it is dirty.

[0035] According to the above structure, the pipe can be cleaned by using the cleaning device 5. When the motor 52 is started, the output shaft of the motor 52 rotates, which drives the rotating rod 53 to rotate. When the rotating rod 53 rotates, it drives the connecting rod 54 to rotate. When the connecting rod 54 rotates, it drives the connecting block 55 to rotate. As a result, when the connecting block 55 rotates, the connecting rod 56 and the cleaning block 57 will come into contact with the pipe due to centrifugal force, thus achieving the cleaning effect.

[0036] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A combined valve ball with high sealing performance, characterized in that: The device includes a ball valve (1), with a flow port (2) on the inner wall of the ball valve (1), a connecting pipe (3) on the outer surface of the ball valve (1), and a sealing device (4) on the outer surface of the connecting pipe (3); the sealing device (4) includes a sealing ring (41), which is disposed on the outer surface of the connecting pipe (3), and a fixing plate (42) is fixedly connected to the outer surface of the connecting pipe (3). A sliding groove (43) is provided on the side of the fixing plate (42), and a slider (44) is slidably connected to the inner wall of the sliding groove (43). A support rod (45) is fixedly connected to the side of the slider (44), and a clamping plate (46) is fixedly connected to the top of the support rod (45). A through groove (47) is provided on the side of the clamping plate (46), and a bolt (48) is threadedly connected to the inner wall of the through groove (47). A nut (49) is threadedly connected to the circumferential surface of the bolt (48).

2. The combined valve ball with high sealing performance according to claim 1, characterized in that: A reset spring (410) is fixedly connected to the side of the slider (44), and the end of the reset spring (410) away from the slider (44) is fixedly connected to the side of the fixing plate (42).

3. The combined valve ball with high sealing performance according to claim 1, characterized in that: The number of the fixed plate (42), slide (43), slider (44), support rod (45), clamping plate (46), through groove (47), bolt (48), nut (49) and reset spring (410) are each set to two, and are symmetrical to each other along the vertical central axis of the ball valve (1).

4. A combined valve ball with high sealing performance according to claim 1, characterized in that: The ball valve (1) is equipped with a cleaning device (5). The cleaning device (5) includes a support plate (51). The support plate (51) is fixedly connected to the inner wall of the connecting pipe (3). A motor (52) is fixedly connected to the side of the support plate (51). A rotating rod (53) is fixedly connected to the output shaft of the motor (52). A connecting rod (54) is fixedly connected to the outer surface of the rotating rod (53). A connecting block (55) is fixedly connected to the side of the connecting rod (54). A connecting rod (56) slides through the inner wall of the connecting block (55). A cleaning block (57) is fixedly connected to the side of the connecting rod (56).

5. A combined valve ball with high sealing performance according to claim 4, characterized in that: The connecting block (55) has a sliding groove (59) on its circumferential surface, and the cleaning block (57) is shaped as an arc surface.

6. A combined valve ball with high sealing performance according to claim 4, characterized in that: A second return spring (58) is fixedly connected to the side of the connecting rod (54), and the end of the second return spring (58) away from the connecting rod (54) is fixedly connected to the side of the connecting rod (56).

7. A combined valve ball with high sealing performance according to claim 4, characterized in that: The number of the connecting rod (54), connecting block (55), connecting rod (56), cleaning block (57) and reset spring (58) is set in a plurality, and they are arranged in a circumferential array on the circumferential surface of the rotating rod (53).

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