High-sealing ball valve convenient to maintain

Abstract

The utility model relates to the technical field of valves, and discloses a high-sealing ball valve convenient to maintain, which comprises a valve body, a connecting pipe is arranged at the right end of the valve body, a casing is fixedly connected to the rear end of the connecting pipe, a first motor is fixedly connected to the middle of the casing, a first circular gear is fixedly connected to the output end of the first motor, and a second circular gear is fixedly connected to the output end of the first circular gear. The upper end and the lower end of the machine shell are rotationally connected with threaded rods, the rear ends of the threaded rods are fixedly connected with second circular gears, the second circular gears are connected with the first circular gears in a meshed mode, and the outer sides of the threaded rods are in threaded connection with pushing rods. According to the cleaning device, the first circular gear is driven by the output end of the first motor to rotate, the second circular gear is driven by the first circular gear, the cleaning plate is driven by the push rod for cleaning, large impurities inside are cleaned, and the problems that impurities cannot be normally cleaned, even the impurities enter a sealing face, and abrasion of the sealing face is aggravated are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially, it is a kind of high sealing ball valve of convenient maintenance. BACKGROUND

[0002] Ball valve is a kind of valve for controlling fluid flow, the core component of ball valve is a spherical element, the sphere usually has a circular through-hole, when the direction of through-hole is consistent with the direction of fluid pipeline, fluid can pass through smoothly, realize the opening of valve.

[0003] One of ball valve is a kind of high sealing ball valve of convenient maintenance, it is the ball valve with the characteristics of easy maintenance and maintenance while guaranteeing high sealing performance, it comprehensively considers the demand of valve maintenance cost and sealing reliability in actual industrial application, it is a kind of fluid control equipment specially designed.

[0004] The high sealing ball valve of convenient maintenance in prior art usually adopts advanced sealing structure, double sealing.Main sealing adopts elastic metal sealing or soft sealing material to be made into the valve seat and the spherical body tightly, is equipped with special on-line maintenance device, built-in grease injection channel and valve seat self-cleaning structure, but grease injection channel is blocked, cannot effectively supplement sealing grease to sealing surface, influence sealing performance, prior art prevents blockage by automatic cleaning, but valve seat self-cleaning structure can also be damaged because of the solid particles in fluid are too large or flow rate is abnormal, lead to cannot normally remove impurities, even can make impurities enter sealing surface, exacerbate the problem of wear of sealing surface. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of high sealing ball valve of convenient maintenance, to improve the problem that cannot normally remove impurities in prior art, even can make impurities enter sealing surface, exacerbate the problem of wear of sealing surface.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of high sealing ball valve of convenient maintenance, including valve body, the right end of the valve body is provided with connecting pipe, the rear end of the connecting pipe is fixedly connected with machine shell, the middle part of the machine shell is fixedly connected with motor one, the output of the motor one is fixedly connected with circular gear one, the upper and lower ends of the machine shell are rotatably connected with threaded rod, the rear end of the threaded rod is fixedly connected with circular gear two, the circular gear two is engaged with the circular gear one, the outer side of the threaded rod is screw-connected with push rod, the front end of the push rod is fixedly connected with cleaning plate, the front end of the connecting pipe is slidably connected with switch plate, the bottom of the switch plate is fixedly connected with tension strip, the middle part of the connecting pipe is fixedly connected with filter screen, the rear end of the valve body is provided with automatic switch mechanism, the automatic switch mechanism is used to conveniently automatically open and close the high sealing ball valve of convenient maintenance.

[0007] As a further description of the above technical solution:

[0008] The automatic switch mechanism comprises a case, the case is arranged at the rear end of the valve body, a motor two is fixedly connected in the case, an output end of the motor two is fixedly connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with a rotating plate, a fixed shaft one is fixedly connected to the upper end of the front side of the rotating plate, a transmission rod is rotatably connected to the outer side of the fixed shaft one, a fixed shaft two is rotatably connected to the front end of the transmission rod, and a rotating disc is fixedly connected to the bottom end of the fixed shaft two.

[0009] As a further description of the above technical solution:

[0010] The upper end of the valve body is provided with a valve cover, and the bottom of the valve cover is provided with a connecting column.

[0011] As a further description of the above technical solution:

[0012] The upper end of the valve cover is threadedly connected with a plurality of bolts, and the upper end of the plurality of bolts is threadedly connected with a nut.

[0013] As a further description of the above technical solution:

[0014] The upper end of the valve body is slidably connected with a fixed plate on the left and right sides, and the rear end of the fixed plate is fixedly connected with a mounting plate.

[0015] As a further description of the above technical solution:

[0016] The upper middle part of the valve body is provided with a valve rod, and the top of the valve rod is fixedly connected with a rotating valve.

[0017] As a further description of the above technical solution:

[0018] The bottom of the connecting column is provided with a ball, and the front and rear ends of the ball are provided with circular sealing rings.

[0019] As a further description of the above technical solution:

[0020] The lower middle part of the valve body is provided with a base, and a through groove is formed in the middle part of the base.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、The utility model discloses a cleaning plate is driven by the push rod to clean through the rotation of the circular gear one of the output end of motor one, and the circular gear two is driven by the circular gear one, realizes the cleaning of the internal bulky impurities, solves the problem that the impurities cannot be normally removed, and even the impurities can enter the sealing surface and aggravate the abrasion of the sealing surface.

[0023] 2. The utility model discloses, through the output end of motor no. 2 drive rotary plate rotation, make fixed axle no. 1 on the rotary plate drive fixed axle no. 2 through transmission link, drive turntable by fixed axle no. 2, has realized the high sealing ball valve of convenient and automatic convenient maintenance opens and shuts, solved the problem that the switch is difficult in the narrow environment. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view of the high sealing ball valve convenient to maintain is provided for the utility model;

[0025] Figure 2 A front view of the high sealing ball valve convenient to maintain is provided for the utility model;

[0026] Figure 3 A partial structure split drawing of the high sealing ball valve convenient to maintain is provided for the utility model;

[0027] Figure 4 A partial structure explosion drawing of the high sealing ball valve convenient to maintain is provided for the utility model;

[0028] Figure 5 A split drawing of the automatic switch mechanism of the high sealing ball valve convenient to maintain is provided for the utility model.

[0029] LEGEND:

[0030] 1, valve body;2, automatic switch mechanism;201, machine case;202, motor no. 2;203, rotating shaft;204, rotary plate;205, fixed axle no. 1;206, transmission link;207, fixed axle no. 2;208, turntable;3, valve cover;4, connecting column;5, nut;6, bolt;7, fixed plate;8, mounting plate;9, valve stem;10, rotary valve;11, ball;12, circular sealing ring;13, base;14, through groove;15, connecting pipe;16, machine shell;17, motor no. 1;18, circular gear no. 1;19, threaded rod;20, circular gear no. 2;21, push rod;22, cleaning plate;23, switch plate;24, tension bar;25, filter screen. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] REFERENCE Figure 3 AND Figure 4The utility model provides a kind of high sealing ball valve of convenient maintenance, including valve body 1, the right end of valve body 1 is provided with connecting pipe 15, the rear end of connecting pipe 15 is fixedly connected with machine shell 16, the middle part of machine shell 16 is fixedly connected with the power source of motor one 17 device, the output of motor one 17 is fixedly connected with circular gear one 18, the upper and lower ends of machine shell 16 are rotatably connected with threaded rod 19, the rear end of threaded rod 19 is fixedly connected with circular gear two 20, circular gear two 20 is engagedly connected with circular gear one 18, so that transmission is more smooth, the outside of threaded rod 19 is screw-connected with push rod 21, the front end of push rod 21 is fixedly connected with cleaning plate 22, cleaning is carried out, the front end of connecting pipe 15 is slidably connected with switch plate 23, the bottom of switch plate 23 is fixedly connected with tension strip 24, the middle part of connecting pipe 15 is fixedly connected with filter screen 25, the rear end of valve body 1 is provided with automatic switch mechanism 2, and automatic switch mechanism 2 is used to switch for the high sealing ball valve of convenient maintenance conveniently and automatically;The upper end of valve body 1 is provided with valve cover 3, and the bottom of valve cover 3 is provided with connecting column 4;The upper end of valve cover 3 is screw-connected with multiple bolts 6, and the upper end of multiple bolts 6 is screw-connected with nut 5;

[0033] Specifically, when the ball valve with high sealing performance and convenient maintenance needs to be cleaned, the motor one 17 inside the machine shell 16 is started to clean, the output end of the motor one 17 drives the circular gear one 18 connected thereto to start rotating, the upper and lower edges of the machine shell 16 are rotatably connected with the threaded rod 19, the circular gear two 20 is fixed to the rear end of the threaded rod 19, the circular gear one 18 engages to drive the circular gear two 20 to rotate synchronously, the front end of the threaded rod 19 is connected with the push rod 21 through a threaded connection, so that the push rod 21 can move linearly synchronously when the threaded rod 19 rotates, the front end of the push rod 21 is fixed with a cleaning plate 22, the cleaning plate 22 is driven by the push rod 21 to effectively clean the inside of the connecting pipe 15, the front end of the connecting pipe 15 is connected with the switch plate 23 through a sliding connection, the switch plate 23 opens and closes the cleaning groove, the tension strip 24 is fixed below the switch plate 23, and the filter screen 25 is fixed to the middle part of the connecting pipe 15, which mainly functions to filter the liquid or gas flowing through, effectively intercepting large debris to prevent it from entering the inside of the valve body 1, thereby ensuring the normal operation of the valve body 1 and prolonging the service life, the valve cover 3 is provided at the upper end of the valve body 1, the bottom of the valve cover 3 is provided with the connecting column 4, the upper end of the valve cover 3 is connected with the multiple bolts 6 through a threaded connection, and the upper end of the bolt 6 is connected with the nut 5 through a threaded connection, to ensure that the valve cover 3 can cover the valve body 1.

[0034] Reference Figure 1 And Figure 5, the automatic switch mechanism 2 includes a cabinet 201, the cabinet 201 is arranged at the rear end of the valve body 1, the inside of the cabinet 201 is fixedly connected with motor two 202, the power source of the device, the output end of motor two 202 is fixedly connected with the rotating shaft 203, the other end of the rotating shaft 203 is fixedly connected with the rotating plate 204, the upper end of the front side of the rotating plate 204 is fixedly connected with the fixed shaft one 205, the outer side of the fixed shaft one 205 is rotatably connected with the transmission rod 206, the front end of the transmission rod 206 is rotatably connected with the fixed shaft two 207, the bottom end of the fixed shaft two 207 is fixedly connected with the rotating disc 208, and synchronous rotation is carried out;The upper end of the valve body 1 is slidably connected with the fixed plate 7, and the rear end of the fixed plate 7 is fixedly connected with the mounting plate 8;

[0035] Specifically, when the high sealing ball valve convenient to maintain needs to be opened and closed in a small space, the motor two 202 located in the cabinet 201 can effectively drive the rotating shaft 203 to rotate through the output end, a rotating plate 204 is fixed above the rotating shaft 203, so that the rotating plate 204 can keep synchronous rotation with the rotating shaft 203, and the fixed shaft one 205 is fixed at the front end of the rotating plate 204. The fixed shaft one 205 plays a key transmission role, and the outer side of the fixed shaft one 205 is connected with the transmission rod 206 in a rotary connection mode, and the front end of the transmission rod 206 is also connected with the fixed shaft two 207 in a rotary connection mode, so that the continuity of the transmission process is realized. A rotating disc 208 is installed below the fixed shaft two 207, realizing the convenient automatic opening and closing operation of the high sealing ball valve convenient to maintain. The upper end of the valve body 1 is slidably connected with the fixed plate 7, and the rear end of the fixed plate 7 is fixedly connected with the mounting plate 8, further enhancing the stability and functionality of the entire device. The model of motor one 17 is Y2-200L-4, and the model of motor two 202 is Y2-200L-4.

[0036] Referring to Figure 2 And Figure 3 , the upper middle part of the valve body 1 is provided with a valve stem 9, and the top of the valve stem 9 is fixedly connected with a rotary valve 10;The bottom of the connecting column 4 is provided with a ball 11, and the front and rear ends of the ball 11 are provided with circular sealing rings 12 to enhance the sealing performance;The middle lower part of the valve body 1 is provided with a base 13, and the middle part of the base 13 is provided with a through groove 14;

[0037] Specifically, the upper middle part of the valve body 1 is provided with a valve stem 9, and the top of the valve stem 9 is fixedly connected with a rotary valve 10;The bottom of the connecting column 4 is provided with a ball 11, and the front and rear ends of the ball 11 are provided with circular sealing rings 12 to enhance the sealing performance;The middle lower part of the valve body 1 is provided with a base 13, and the middle part of the base 13 is provided with a through groove 14.

[0038] Working principle: when the high sealing ball valve of convenient maintenance is cleaned, through the motor 17 in the shell 16, the output end drives the circular gear 18 to rotate, the upper and lower edges of the shell 16 are rotatably connected with the threaded rod 19, synchronous rotation is carried out, the rear of the threaded rod 19 is fixed with the circular gear 20, the circular gear 20 is driven to rotate by the circular gear 18, the front of the threaded rod 19 is screwedly connected with the push rod 21, synchronous movement is carried out, the front of the push rod 21 is fixed with the cleaning plate 22, the inside of the connecting pipe 15 is cleaned, the front of the connecting pipe 15 is slidably connected with the switch plate 23, switch action is carried out, the lower surface of the switch plate 23 is fixed with the pull strip 24, pull action is carried out, the middle of the connecting pipe 15 is fixed with the filter screen 25, filtering action is carried out, the inside large block impurities are cleaned;

[0039] When the high sealing ball valve of convenient maintenance is switched in a small space, through the motor 202 in the machine box 201, the output end drives the rotating shaft 203 to rotate, the upper surface of the rotating shaft 203 is fixed with the rotating plate 204, synchronous rotation is carried out, the upper surface of the rotating plate 204 is fixed with the fixed shaft 205 in front, transmission action is carried out, the outer surface of the fixed shaft 205 is rotatably connected with the transmission rod 206, the front of the transmission rod 206 is rotatably connected with the fixed shaft 207, transmission is carried out, the lower surface of the fixed shaft 207 is fixed with the rotating disc 208, the high sealing ball valve of convenient maintenance is conveniently and automatically switched.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A high sealing ball valve for easy maintenance comprising a valve body (1) characterized in that: The right end of the valve body (1) is provided with a connecting pipe (15), the rear end of the connecting pipe (15) is fixedly connected with a machine shell (16), the middle part of the machine shell (16) is fixedly connected with a motor one (17), the output end of the motor one (17) is fixedly connected with a circular gear one (18), the upper and lower ends of the machine shell (16) are rotatably connected with threaded rods (19), the rear end of the threaded rod (19) is fixedly connected with a circular gear two (20), the circular gear two (20) is engagedly connected with the circular gear one (18), the outer side of the threaded rod (19) is threadedly connected with a push rod (21), the front end of the push rod (21) is fixedly connected with a cleaning plate (22), the front end of the connecting pipe (15) is slidably connected with a switch plate (23), the bottom of the switch plate (23) is fixedly connected with a tension strip (24), the middle part of the connecting pipe (15) is fixedly connected with a filter screen (25), the rear end of the valve body (1) is provided with an automatic switch mechanism (2), and the automatic switch mechanism (2) is used for conveniently opening and closing the high sealing ball valve for convenient maintenance.

2. A high sealing ball valve for easy maintenance according to claim 1, characterized in that: The automatic switch mechanism (2) comprises a machine box (201), the machine box (201) is arranged at the rear end of the valve body (1), the inside of the machine box (201) is fixedly connected with a motor two (202), the output end of the motor two (202) is fixedly connected with a rotating shaft (203), the other end of the rotating shaft (203) is fixedly connected with a rotating plate (204), the upper end of the front side of the rotating plate (204) is fixedly connected with a fixed shaft one (205), the outer side of the fixed shaft one (205) is rotatably connected with a transmission rod (206), the front end of the transmission rod (206) is rotatably connected with a fixed shaft two (207), and the bottom end of the fixed shaft two (207) is fixedly connected with a rotating disc (208).

3. A high sealing ball valve for easy maintenance according to claim 1, characterized in that: The upper end of the valve body (1) is provided with a valve cover (3), and the bottom of the valve cover (3) is provided with a connecting column (4).

4. A high sealing ball valve for easy maintenance according to claim 3, characterized in that: The upper end of the valve cover (3) is threadedly connected with a plurality of bolts (6), and the upper ends of the plurality of bolts (6) are threadedly connected with nuts (5).

5. A high sealing ball valve for easy maintenance according to claim 1, characterized in that: The left and right sides of the upper end of the valve body (1) are slidably connected with fixed plates (7), and the rear end of the fixed plate (7) is fixedly connected with a mounting plate (8).

6. A high sealing ball valve for easy maintenance according to claim 1, characterized in that: The middle upper part of the valve body (1) is provided with a valve rod (9), and the top of the valve rod (9) is fixedly connected with a rotating valve (10).

7. A high sealing ball valve for easy maintenance according to claim 3, characterized in that: The bottom of the connecting column (4) is provided with a ball (11), and the front and rear ends of the ball (11) are provided with circular sealing rings (12).

8. A high sealing ball valve for easy maintenance according to claim 1, characterized in that: The middle lower part of the valve body (1) is provided with a base (13), and the middle part of the base (13) is provided with a through groove (14).

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