An electric gate valve for high temperature and high pressure liquid transportation

Abstract

The utility model discloses an electric gate valve for high-temperature and high-pressure liquid delivery, comprising a valve body, a gate mechanism and a filtering mechanism; a valve cover is provided on the upper side of the middle of the valve body, a rubber sealing pad is provided on the lower side of the middle of the inner arc surface of the valve body, baffles are provided on the left inner wall and the right inner wall of the valve cover, and a left-right symmetrical mounting flange is provided on the outer arc surface of the valve body; the gate mechanism comprises a telescopic rod, a spring and a gate, the telescopic rod is symmetrically arranged on the upper inner wall of the valve cover, the lower ends of the telescopic rods are fixedly connected to the upper ends of the gates, the upper inner wall of the valve cover and the upper surface of the gate are symmetrically arranged between the springs, the springs are movably sleeved on the outer arc surfaces of the telescopic rods corresponding to the positions, the outer side surface of the gate is slidably connected to the inner side surface of the baffle, and the lower end of the gate is plugged with the rubber sealing pad; the filtering mechanism is arranged inside the valve body. The electric gate valve for high-temperature and high-pressure liquid delivery can automatically adjust the flow rate of high temperature and high pressure.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to an electric gate valve used for conveying high-temperature and high-pressure liquids. Background Art

[0002] The gate valve is an opening and closing gate, which is set in a direction perpendicular to the fluid. Through the up and down movement of the gate, the gate valve seals through the contact between the valve seat and the gate to achieve the blocking of the fluid. The gate valve seals through the contact between the valve seat and the gate to achieve the blocking of the fluid.

[0003] Some of the existing gate valve driving methods use a hand wheel that rotates forward and backward, and then uses the transmission force of the screw to control the position of the gate valve, thereby achieving the opening and closing of the gate valve. This manual driving method has some problems. For example, when manually driving high-temperature and high-pressure liquids, there may be a risk of scalding, and the high-pressure liquid environment often cannot drive the hand wheel smoothly. For this reason, an electric gate valve for high-temperature and high-pressure liquid transportation is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an electric gate valve for high-temperature and high-pressure liquid transportation, which can automatically complete the opening and closing of the gate valve and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric gate valve for high-temperature and high-pressure liquid transportation, comprising a valve body, a gate mechanism and a filter mechanism;

[0006] A valve cover is provided on the upper middle side of the valve body, a rubber sealing pad is provided on the lower middle side of the inner arc surface of the valve body, baffles are provided on the left inner wall and the right inner wall of the valve cover, and a left-right symmetrical mounting flange is provided on the outer arc surface of the valve body;

[0007] The gate mechanism includes a telescopic rod, a spring and a gate. The telescopic rod is symmetrically arranged on the upper inner wall of the valve cover. The lower ends of the telescopic rods are fixedly connected to the upper ends of the gates. Springs are symmetrically arranged between the upper inner wall of the valve cover and the upper surface of the gate. The springs are movably sleeved on the outer arc surfaces of the telescopic rods corresponding to the positions. The outer side surface of the gate is slidably connected to the inner side surface of the baffle. The lower end of the gate is plugged into the rubber sealing pad.

[0008] The filter mechanism is arranged inside the valve body and can automatically adjust the flow rate of high temperature and high pressure.

[0009] Furthermore, it also includes a single chip microcomputer, which is arranged outside the electric gate valve, and the input end of the single chip microcomputer is electrically connected to the external power supply to control the normal operation of the electrical appliance.

[0010] Furthermore, the gate mechanism also includes a driving gear, teeth, an avoidance groove, and a through groove. The avoidance groove is arranged in the middle of the gate, and the rear inner wall of the avoidance groove is provided with evenly distributed teeth. A through groove is opened on the right side of the gate, and the through groove is connected to the avoidance groove. The inside of the avoidance groove is slidably connected with a driving gear, and the driving gear is meshed with the teeth to realize the function of opening and closing the gate valve.

[0011] Furthermore, it also includes a drive motor, which is arranged on the right side of the valve cover, the output shaft of the drive motor is fixedly connected to the right side of the drive gear, the middle part of the outer arc surface of the output shaft of the drive motor is located inside the through groove, and the input end of the drive motor is electrically connected to the output end of the single-chip microcomputer to provide power for the automatic switch.

[0012] Furthermore, the filtering mechanism includes a sewage pipe, a sewage pipe and a sewage tank. The sewage tanks are symmetrically arranged on the lower side of the outer arc surface of the valve body. The upper surface of the sewage tank is connected to the valve body through the sewage pipe. The front side of the sewage tank is provided with a sewage pipe. The front ends of the two sewage pipes are respectively connected to an external sewage suction device to realize the function of sludge diversion.

[0013] Furthermore, the filtering mechanism also includes a rotating groove, a circular filter plate, a gear ring, a filter gear, a scraper and a scraper motor. The rotating grooves are symmetrically opened on the inner arc surface of the valve body, and the two rotating grooves are rotatably connected to the inside of the two rotating grooves. The two circular filter plates are respectively provided with gear rings on the opposite outer sides, and the lower side of the outer arc surface of the valve body is provided with a left-right symmetrical scraper motor. The output shaft of the scraper motor is fixedly connected to the filter gear, and the upper surfaces of the two filter gears are fixedly connected to the scraper. The two filter gears are respectively meshed with the gear rings located at the same position, and the input ends of the scraper motor are respectively electrically connected to the output ends of the single-chip microcomputer to realize the function of filtering drive.

[0014] Furthermore, it also includes a base, which is symmetrically arranged on the lower side of the outer arc surface of the valve body to achieve the function of placing the gate valve.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. When the liquid is being transported, the single chip microcomputer is regulated to operate the scraper motor. The output shaft of the scraper motor rotates, which in turn drives the gear ring to rotate, and then drives the circular filter plate to rotate through the gear ring, and also drives the scraper to scrape the sludge on the circular filter plate. At this time, the external sewage suction device is regulated, and the scraped sludge enters the sewage tank through the sewage pipe, and then is discharged through the sewage pipe. The sludge is automatically scraped to prevent the gate valve from being blocked;

[0017] 2. At this time, high-pressure and high-temperature liquid enters the interior of the valve body. At this time, the single-chip microcomputer can be adjusted to drive the motor to operate. The output shaft of the driving motor rotates forward and reverse, thereby driving the driving gear to rotate forward and reverse, thereby driving the gate to adjust the up and down position. During this period, affected by the elastic force of the spring, the spring applies the elastic force to the telescopic rod. When the gate is adjusted up and down, the telescopic rod also extends and contracts. When the flow rate is adjusted to the specified flow rate, the single-chip microcomputer is adjusted to drive the motor to self-lock. At this time, the high-temperature and high-pressure liquid passes through here at the specified flow rate. At this time, the high-temperature and high-pressure liquid passes through here, and the flow rate of high temperature and high pressure can be automatically adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the gate mechanism of the utility model;

[0020] Figure 3 This is an enlarged structural diagram of the utility model at A;

[0021] Figure 4 This is a schematic diagram of the structure of the filter mechanism of the utility model;

[0022] Figure 5 This is a schematic diagram of the enlarged structure of the utility model B

[0023] In the figure: 1 valve body, 2 valve cover, 3 gate mechanism, 31 telescopic rod, 32 spring, 33 gate, 34 driving gear, 35 teeth, 36 avoidance groove, 37 through groove, 4 driving motor, 5 base, 6 filtering mechanism, 61 rotating groove, 62 circular filter plate, 63 gear ring, 64 filtering gear, 65 scraper, 66 scraping motor, 67 sewage pipe, 68 sewage pipe, 69 sewage tank, 7 baffle, 8 rubber sealing pad, 9 single chip microcomputer. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 This embodiment provides an electric gate valve for high-temperature and high-pressure liquid transportation, including a valve body 1, a gate mechanism 3 and a filter mechanism 6; it also includes a drive motor 4, and the drive motor 4 is arranged on the right side of the valve cover 2.

[0026] Among them, a valve cover 2 is provided on the upper middle side of the valve body 1, a rubber sealing gasket 8 is provided on the lower middle side of the inner arc surface of the valve body 1, baffles 7 are provided on the left inner wall and the right inner wall of the valve cover 2, and the outer arc surface of the valve body 1 is provided with left-right symmetrical mounting flanges, and also includes a single-chip microcomputer 9, which is arranged on the outside of the electric gate valve, and the input end of the single-chip microcomputer 9 is electrically connected to an external power supply, and also includes a base 5, which is symmetrically arranged on the lower side of the outer arc surface of the valve body 1. At this time, the electric gate valve is placed through the base 5, and at this time, high-pressure and high-temperature liquid enters the interior of the valve body 1.

[0027] The gate mechanism includes a telescopic rod 31, a spring 32 and a gate 33. The telescopic rod 31 is symmetrically arranged on the upper inner wall of the valve cover 2. The lower ends of the telescopic rods 31 are fixedly connected to the upper ends of the gates 33. The springs 32 are symmetrically arranged between the upper inner wall of the valve cover 2 and the upper surface of the gate 33. The springs 32 are movably sleeved on the outer arc surfaces of the telescopic rods 31 corresponding to the positions. The outer side surface of the gate 33 is slidably connected to the inner side surface of the baffle 7, and the lower end of the gate 33 is plugged into the rubber sealing pad 8. The gate mechanism 3 also includes a driving gear 34, teeth 35, and a avoidance gear 36. A groove 36 and a through groove 37, wherein the groove 36 is arranged in the middle of the gate plate 33, and the inner wall of the rear side of the groove 36 is provided with uniformly distributed teeth 35, and the right side of the gate plate 33 is provided with a through groove 37, and the through groove 37 is connected with the groove 36, and the inside of the groove 36 is slidably connected with a driving gear 34, and the driving gear 34 is meshed with the teeth 35, and the output shaft of the driving motor 4 is fixedly connected with the right side of the driving gear 34, and the middle part of the outer arc surface of the output shaft of the driving motor 4 is located inside the through groove 37, and the input end of the driving motor 4 is electrically connected to the output end of the single-chip microcomputer 9;

[0028] The filter mechanism 6 is arranged inside the valve body 1, and the filter mechanism 6 includes a sewage pipe 67, a sewage pipe 68 and a sewage tank 69. The sewage tank 69 is symmetrically arranged on the lower side of the outer arc surface of the valve body 1, and the upper surface of the sewage tank 69 is connected to the valve body 1 through the sewage pipe 67. The front side of the sewage tank 69 is provided with a sewage pipe 68, and the front ends of the two sewage pipes 68 are respectively connected to the external sewage suction device; the filter mechanism 6 also includes a rotating groove 61, a circular filter plate 62, a gear ring 63, a filter gear 64, a scraper 65 and a scraping motor 66, and the rotating groove 6 1 are respectively symmetrically opened on the inner arc surface of the valve body 1, and the insides of the two rotating grooves 61 are respectively rotatably connected with circular filter plates 62, and the outer sides of the two circular filter plates 62 facing away from each other are respectively provided with gear rings 63. The lower side of the outer arc surface of the valve body 1 is provided with a left-right symmetrical scraping motor 66, and the output shaft of the scraping motor 66 is fixedly connected with a filter gear 64, and the upper surfaces of the two filter gears 64 are fixedly connected with a scraper plate 65. The two filter gears 64 are respectively meshed and connected with the gear ring 63 located at the same position, and the input end of the scraping motor 66 is respectively electrically connected to the output end of the single-chip computer 9.

[0029] The working principle of the utility model is as follows:

[0030] The gate valve is installed on the designated workstation through external bolts and mounting flanges. At this time, the electric gate valve is placed through the base 5. At this time, the high-pressure and high-temperature liquid enters the interior of the valve body 1. At this time, the single-chip microcomputer 9 can be regulated to drive the motor 4 to operate, and the output shaft of the driving motor 4 rotates forward and reversely, thereby driving the driving gear 34 to rotate forward and reversely, thereby driving the gate plate 33 to adjust the up and down positions. During this period, under the influence of the elastic force of the spring 32, the spring 32 applies the elastic force to the telescopic rod 31. When the gate plate 33 is adjusted up and down, the telescopic rod 31 also extends and contracts. At this time, the valve body 1 can be opened and closed. When the flow rate is adjusted to the specified flow rate, the single-chip microcomputer 9 is regulated to drive the motor 4 to self-lock. At this time, the high-temperature and high-pressure liquid passes through here at the specified flow rate;

[0031] During this period, the single chip microcomputer 9 is regulated to operate the scraping motor 66, and the output shaft of the scraping motor 66 rotates, thereby driving the gear ring 63 to rotate, and then driving the circular filter plate 62 to rotate through the gear ring 63, and also driving the scraper 65 to scrape the sludge on the circular filter plate 62. At this time, the external sewage suction device is regulated, and the scraped sludge enters the interior of the sewage tank 69 through the sewage pipe 67, and then is discharged through the sewage pipe 68.

[0032] It is worth noting that the single-chip microcomputer 9 disclosed in the above embodiment is specifically model S7-200, and the drive motor 4 and the scraper motor 66 can be freely configured according to the actual application scenario. It is recommended to use a YL model single-phase reduction motor for the drive motor 4, and a 56 series - two-phase hybrid stepper motor for the scraper motor 66. The single-chip microcomputer 9 controls the operation of the drive motor 4 and the scraper motor 66 using methods commonly used in the prior art.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An electric gate valve for high temperature and high pressure liquid transportation, characterized in that: It comprises a valve body (1), a gate mechanism (3) and a filtering mechanism (6); and also comprises a base (5), wherein the base (5) is symmetrically arranged on the lower side of the outer arc surface of the valve body (1); A valve cover (2) is provided on the upper middle side of the valve body (1), a rubber sealing pad (8) is provided on the lower middle side of the inner arc surface of the valve body (1), baffles (7) are provided on the left inner wall and the right inner wall of the valve cover (2), and a left-right symmetrical mounting flange is provided on the outer arc surface of the valve body (1); The gate mechanism (3) comprises a telescopic rod (31), a spring (32) and a gate (33); the telescopic rod (31) is symmetrically arranged on the upper inner wall of the valve cover (2); the lower end of the telescopic rod (31) is fixedly connected to the upper end of the gate (33); the spring (32) is symmetrically arranged between the upper inner wall of the valve cover (2) and the upper surface of the gate (33); the spring (32) is movably sleeved on the outer arc surface of the telescopic rod (31) at a corresponding position; the outer side surface of the gate (33) is slidably connected to the inner side surface of the baffle (7); and the lower end of the gate (33) is plugged into the rubber sealing pad (8); The filtering mechanism (6) is arranged inside the valve body (1); It also includes a single chip microcomputer (9), which is arranged outside the electric gate valve, and an input end of the single chip microcomputer (9) is electrically connected to an external power supply.

2. The electric gate valve for high-temperature and high-pressure liquid transportation according to claim 1, characterized in that: The gate mechanism (3) further comprises a driving gear (34), teeth (35), an avoidance groove (36), and a through groove (37); the avoidance groove (36) is arranged in the middle of the gate (33); the rear inner wall of the avoidance groove (36) is provided with teeth (35) evenly distributed; the right side of the gate (33) is provided with a through groove (37); the through groove (37) is connected to the avoidance groove (36); the inside of the avoidance groove (36) is slidably connected with a driving gear (34); the driving gear (34) is meshingly connected with the teeth (35).

3. The electric gate valve for high-temperature and high-pressure liquid transportation according to claim 2, characterized in that: It also includes a drive motor (4), which is arranged on the right side of the valve cover (2), the output shaft of the drive motor (4) is fixedly connected to the right side of the drive gear (34), the middle part of the outer arc surface of the output shaft of the drive motor (4) is located inside the through groove (37), and the input end of the drive motor (4) is electrically connected to the output end of the single chip computer (9).

4. The electric gate valve for high-temperature and high-pressure liquid transportation according to claim 1, characterized in that: The filtering mechanism (6) comprises a sewage pipe (67), a sewage discharge pipe (68) and a sewage tank (69). The sewage tank (69) is symmetrically arranged on the lower side of the outer arc surface of the valve body (1). The upper surface of the sewage tank (69) is connected to the valve body (1) through the sewage pipe (67). The front side of the sewage tank (69) is provided with a sewage discharge pipe (68). The front ends of the two sewage discharge pipes (68) are respectively connected to an external sewage suction device.

5. The electric gate valve for high-temperature and high-pressure liquid transportation according to claim 1, characterized in that: The filtering mechanism (6) further comprises a rotating groove (61), a circular filter plate (62), a gear ring (63), a filter gear (64), a scraper (65) and a scraper motor (66); the rotating grooves (61) are respectively symmetrically arranged on the inner arc surface of the valve body (1); the insides of the two rotating grooves (61) are respectively rotatably connected with circular filter plates (62); the outer side surfaces of the two circular filter plates (62) facing away from each other are respectively provided with gear rings (63); the lower side of the outer arc surface of the valve body (1) is provided with a left-right symmetrical scraper motor (66); the output shaft of the scraper motor (66) is fixedly connected with the filter gear (64); the upper surfaces of the two filter gears (64) are fixedly connected with the scraper plate (65); the two filter gears (64) are respectively meshed and connected with the gear ring (63) located at the same position; the input end of the scraper motor (66) is respectively electrically connected with the output end of the single-chip computer (9).

Images