CN216618611U

CN216618611U - Valve element cleaning mechanism for ball valve

Info

Publication number: CN216618611U
Application number: CN202122446427.2U
Authority: CN
Inventors: 黄志慧; 朱永平; 陈超
Original assignee: Sichuan Feiqiu Group Co ltd
Current assignee: Sichuan Feiqiu Group Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-27
Anticipated expiration: 2031-10-11

Abstract

The application provides a case clearance mechanism for ball valve belongs to valve technical field. This case clearance mechanism for ball valve, including ball valve main part and clearance mechanism, the ball valve main part includes valve body, spheroid case and valve rod, clearance mechanism includes support ring frame, axis of rotation, drive impeller and strikes off the piece, manage feed liquor pipe and drain pipe with external, drive spheroid case through the valve rod and rotate 90 degrees, make the ball valve be in the open mode, drive spheroid case reverse rotation 90 degrees through the valve rod, can make the ball valve be in the closed condition, during the clearance, make the ball valve be in the open mode, when liquid flows through the runner hole, promote the drive impeller and rotate, it rotates thereupon to drive the axis of rotation, thereby make strike off the rotatory impurity that strikes off the inner perisporium of runner hole and deposit, the inside circulation that influences liquid because of the impurity deposit too much of spheroid case has been avoided, and then avoid the valve to block up effectively.

Description

Valve element cleaning mechanism for ball valve

Technical Field

The application relates to the field of valves, in particular to a valve core cleaning mechanism for a ball valve.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, can be closed tightly only by rotating 90 degrees and a small rotating moment, and is most suitable for being used as a switch and a cut-off valve and can also be used for regulating and controlling fluid.

The ball valve is through long-time use, and some impurity in the liquid can deposit in the spheroid valve element of valve, and the impurity deposit is too much can influence the circulation of liquid to lead to the valve to block up, need regularly dismantle the ball valve from the pipeline and clear up, the operation is very loaded down with trivial details complicated, dismantles the easy damage valve repeatedly, influences its life, also influences the liquid circulation simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the present application provides a valve element cleaning mechanism for a ball valve, which aims to solve the problems presented in the above background art.

The embodiment of the application provides a case clearance mechanism for ball valve, including ball valve main part and clearance mechanism.

The ball valve main part includes valve body, spheroid case and valve rod, the valve body both ends communicate respectively and are provided with feed liquor pipe and drain pipe, the spheroid case rotate install in the valve body, the inside circulation hole that has seted up of spheroid case, the valve rod run through install in the valve body top, just valve rod one end fixed connection in the spheroid case.

The cleaning mechanism comprises a supporting ring frame, a rotating shaft, a driving impeller and a scraping piece, wherein the supporting ring frame is symmetrically arranged in two groups, the two groups of supporting ring frames are fixedly arranged at two ends of the inner peripheral wall of the circulation hole respectively, the two ends of the rotating shaft are rotatably connected to the two groups of supporting ring frame centers respectively, the driving impeller is arranged at one end of the rotating shaft, the scraping piece is arranged on the outer peripheral wall of the rotating shaft in a staggered mode at intervals, and the scraping piece is far away from the rotating shaft and is abutted against the inner peripheral wall of the circulation hole.

In the above-mentioned realization in-process, be connected feed liquor pipe and drain pipe with external union coupling, it rotates 90 degrees to drive spheroid case through the valve rod, make the ball valve be in the open mode, drive spheroid case reverse rotation 90 degrees through the valve rod, can make the ball valve be in the closed condition, during the clearance, make the ball valve be in the open mode, when liquid flows through the opening, promote the drive impeller and rotate, it rotates thereupon to drive the axis of rotation, thereby make strike off the rotatory impurity of striking off the opening internal perisporium sediment of piece, avoided inside because of impurity deposit too much influence the circulation of liquid of spheroid case, and then avoid the valve to block up effectively.

In a specific embodiment, a rotating rod is vertically and rotatably arranged in the liquid outlet pipe, and a sealing plate is fixedly arranged on the rotating rod.

In a specific embodiment, the outer diameter of the sealing plate is consistent with the inner diameter of the liquid outlet pipe, and a sealing ring is arranged at the contact position of the outer peripheral wall of the sealing plate and the inner peripheral wall of the liquid outlet pipe.

In the above-mentioned realization process, during the clearance, rotate the closing plate to with drain pipe internal perisporium laminating through the bull stick to seal the drain pipe temporarily, be convenient for discharge the impurity of clearing up, through the setting of sealing ring, can make the leakproofness better.

In a specific embodiment, bull stick one end pass through the turning block rotate connect in drain pipe internal perisporium, the bull stick other end runs through the drain pipe extends to the outside, just the bull stick with the drain pipe runs through the department cover and is equipped with waterproof cover, the bull stick stretches out the end and has set firmly the knob.

In the above-mentioned realization process, twist and move the knob and drive the bull stick and rotate for the closing plate upset is sealed up the drain pipe, and the turning block can increase the stability when the bull stick drives the closing plate and rotates, and waterproof cover can play sealed waterproof effect.

In a specific implementation scheme, a drain outlet is formed in the bottom of the liquid outlet pipe between the sealing plate and the ball valve core, a plug is screwed at the bottom end of the drain outlet, and a pull ring is fixedly arranged outside the plug.

In the implementation process, the drain outlet is convenient to seal through the plug when the plug is in normal use, and the plug is convenient to pull out from the drain outlet in a rotating mode through the pull ring.

In a specific embodiment, the support ring frame comprises a fixing ring, a first support rod and a shaft sleeve, the fixing ring is fixedly connected to the inner peripheral wall of the circulation hole, the shaft sleeve is rotatably sleeved outside the rotating shaft, and the first support rod array is fixedly arranged between the fixing ring and the shaft sleeve.

In the above-mentioned realization process, through solid fixed ring and first bracing piece with axle sleeve fixed stay in the circulation hole to support the axis of rotation stability in the circulation hole, increase axis of rotation pivoted stability.

In a specific implementation scheme, strike off the piece including fixed cover, second bracing piece and brush head, fixed cover fixed cup connect in the axis of rotation is outside, second bracing piece one end fixed connection in fixed cover, brush head spiro union in the second bracing piece is kept away from the one end of fixed cover, just brush head laminate in the inner perisporium of circulation.

In the implementation process, the rotating shaft drives the brush head to rotate through the fixed sleeve and the second supporting rod, deposited impurities on the inner peripheral wall of the circulation hole can be cleaned, the phenomenon that the liquid circulation is affected due to excessive deposition of the impurities in the ball valve core is avoided, and then the valve is effectively prevented from being blocked.

In a specific implementation scheme, a first sealing ring is embedded at the interface of the outer peripheral wall of the ball valve core, a first sealing ring is also embedded at the interface of the outer peripheral wall of the ball valve core, and a second sealing ring, a third sealing ring and a fourth sealing ring are sequentially embedded at the joint of the valve rod and the valve body from bottom to top.

In the implementation process, the sealing performance of the joint of the valve rod and the valve body is greatly enhanced through the matching of the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring, and the joint of liquid is effectively prevented from seeping when the valve rod rotates.

In a specific embodiment, a rotating handle is fixedly arranged at the top end of the valve rod extending out of the valve body, and an anti-slip plastic sleeve is sleeved outside the rotating handle.

In the implementation process, the valve rod is driven to rotate in a reciprocating manner by rotating the handle, so that the opening and closing of the ball valve core are controlled, and the anti-skid plastic sleeve has the function of anti-skid and stress enhancement.

In a specific implementation scheme, the top of the valve body is fixedly provided with a limiting block, and one end of the rotating handle is fixedly provided with a clamping hook matched with the limiting block.

In the implementation process, the hook at one end of the rotating handle is matched with the limiting block, so that the rotating angle of the rotating handle can be limited to 0-90 degrees, and the opening and closing of the spherical valve core are limited.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a valve element cleaning mechanism for a ball valve according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a ball valve body according to an embodiment of the present disclosure;

FIG. 3 is an enlarged schematic structural view of a portion A in FIG. 2 according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a cleaning mechanism provided in an embodiment of the present application;

FIG. 5 is a schematic diagram illustrating a first perspective view of a support ring mount according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a support ring frame according to a second viewing angle in the embodiment of the present application.

In the figure: 10-a ball valve body; 110-a valve body; 120-ball valve core; 121-flow-through holes; 122-a first seal ring; 130-a liquid inlet pipe; 140-a liquid outlet pipe; 141-a sewage draining outlet; 150-a valve stem; 151-second sealing ring; 152-a third seal ring; 153-fourth sealing ring; 160-a rotating handle; 161-antiskid plastic cover; 170-a stop block; 20-a cleaning mechanism; 210-a support ring holder; 211-a fixed ring; 212-a first support bar; 213-shaft sleeve; 220-a rotating shaft; 230-a drive impeller; 240-scraping element; 241-fixing sleeves; 242-a second support bar; 243-brush head; 250-a sealing plate; 251-a sealing ring; 260-rotating rod; 261-a turning block; 262-waterproof jacket; 270-a knob; 280-plug; 281-pull ring.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-6, the present application provides a valve element cleaning mechanism for a ball valve, including a ball valve body 10 and a cleaning mechanism 20.

Referring to fig. 2 and 3, the ball valve body 10 includes a valve body 110, a ball valve core 120 and a valve rod 150, two ends of the valve body 110 are respectively communicated with a liquid inlet pipe 130 and a liquid outlet pipe 140, the liquid inlet pipe 130 and the liquid outlet pipe 140 are respectively integrally formed at two ends of the valve body 110, one ends of the liquid inlet pipe 130 and the liquid outlet pipe 140, which are far away from each other, are respectively connected with an external pipe through a flange, the ball valve core 120 is rotatably installed in the valve body 110, a circulation hole 121 is formed in the ball valve core 120, the ball valve core 120 is reciprocally rotated by 90 degrees in the valve body 110, so that the circulation hole 121 is parallel to or perpendicular to the axial lines of the liquid inlet pipe 130 and the liquid outlet pipe 140, i.e., opening and closing of the ball valve can be controlled, the valve rod 150 is penetratingly installed in the top of the valve body 110, and one end of the valve rod 150 is fixedly connected to the ball valve core 120.

When specifically setting up, first sealing washer 122 has been inlayed at the interface of feed liquor pipe 130 and the periphery wall of spheroid case 120, first sealing washer 122 has also been inlayed at the interface of drain pipe 140 and the periphery wall of spheroid case 120, valve rod 150 and valve body 110 junction from bottom to top inlay in proper order and be equipped with second sealing washer 151, third sealing washer 152 and fourth sealing washer 153, valve rod 150 periphery side is all located to second sealing washer 151, third sealing washer 152 and fourth sealing washer 153, through the cooperation of first sealing washer 122, second sealing washer 151, third sealing washer 152 and fourth sealing washer 153, the leakproofness of very big reinforcing valve rod 150 and valve body 110 junction, its junction of liquid oozes when avoiding valve rod 150 to rotate effectively.

In this application, the top that valve rod 150 extends valve body 110 has set firmly twist grip 160, twist grip 160 passes through the bolt and constitutes detachable structure with valve rod 150, twist grip 160 is convenient for take off, avoid non-operating personnel mistake to open and close the ball valve, drive the reciprocal rotation of valve rod 150 through twist grip 160, thereby control opening and closing of spheroid case 120, the outside cover of twist grip 160 is equipped with anti-skidding plastic cover 161, anti-skidding plastic cover 161 has the effect of anti-skidding reinforcing atress, stopper 170 has set firmly at the valve body 110 top, stopper 170 bolted connection or welding are in the valve body 110 top, twist grip 160 one end has set firmly the trip with stopper 170 adaptation, use through the trip of twist grip 160 one end and stopper 170 cooperation, can be at 0-90 degrees with the turned angle restriction of twist grip 160, thereby restrict opening and closing of spheroid case 120.

Referring to fig. 4, the cleaning mechanism 20 includes two sets of support ring frames 210, a rotating shaft 220, a driving impeller 230 and a scraping member 240, the two sets of support ring frames 210 are symmetrically disposed, the two sets of support ring frames 210 are respectively and fixedly disposed at two ends of the inner peripheral wall of the circulation hole 121, two ends of the rotating shaft 220 are respectively and rotatably connected to the centers of the two sets of support ring frames 210, the driving impeller 230 is mounted at one end of the rotating shaft 220, the scraping member 240 is alternately mounted on the outer peripheral wall of the rotating shaft 220, and one end of the scraping member 240 away from the rotating shaft 220 is abutted against the inner peripheral wall of the circulation hole 121, the valve rod 150 is driven to rotate by the rotating handle 160, so that the ball valve core 120 is opened to enable two ends of the circulation hole 121 to be respectively and in abutting connection with the liquid inlet pipe 130 and the liquid outlet pipe 140, the liquid in the outer pipe enters through the liquid inlet pipe 130 and flows out through the liquid outlet pipe 140, the driving impeller 230 is pushed to rotate, the rotating shaft 220 is driven to rotate therewith, so that the scraping member 240 rotatably scrapes impurities deposited on the inner peripheral wall of the circulation hole 121, the influence on the liquid circulation caused by excessive impurity deposition in the ball valve core 120 is effectively avoided.

In some specific embodiments, a rotating rod 260 is vertically and rotatably disposed in the drain pipe 140, specifically, one end of the rotating rod 260 is rotatably connected to the inner peripheral wall of the drain pipe 140 through a rotating block 261, the other end of the rotating rod 260 extends to the outside through the drain pipe 140, a waterproof sleeve 262 is sleeved at the penetrating position of the rotating rod 260 and the drain pipe 140, a knob 270 is fixedly disposed at the extending end of the rotating rod 260, the circulation hole 121 is bolted or welded to the extending end of the rotating rod 260, the knob 270 is screwed to drive the rotating rod 260 to rotate, so that the sealing plate 250 is turned over to seal the drain pipe 140, the rotating block 261 can increase the stability when the rotating rod 260 drives the sealing plate 250 to rotate, the waterproof sleeve 262 can play a role in sealing and waterproofing, the sealing plate 250 is fixedly mounted on the rotating rod 260, the outer diameter of the sealing plate 250 is consistent with the inner diameter of the drain pipe 140, and a sealing ring 251 is disposed at the contact position of the outer peripheral wall of the sealing plate 250 and the inner peripheral wall of the drain pipe 140, during cleaning, twist through knob 270 and move bull stick 260, rotate closing plate 250 to with drain pipe 140 internal perisporium laminating to seal drain pipe 140 temporarily, be convenient for discharge the impurity of clearing up out, through the setting of sealing ring 251, can make the leakproofness better.

In other embodiments, a drain 141 is disposed at the bottom of the drain 140 between the sealing plate 250 and the ball valve core 120, the drain 141 is communicated with the drain 140, a plug 280 is screwed to the bottom end of the drain 141, and a pull ring 281 is fixedly disposed outside the plug 280, so that the drain 141 is sealed by the plug 280 during normal use, and the plug 280 is rotatably pulled out from the drain 141 by the pull ring 281, so that cleaned dirt is discharged.

Referring to fig. 5 and 6, the supporting ring frame 210 includes a fixing ring 211, a first supporting rod 212 and a shaft sleeve 213, the fixing ring 211 is fixedly connected to the inner peripheral wall of the flow hole 121, the shaft sleeve 213 is rotatably sleeved outside the rotating shaft 220, the first supporting rod 212 is fixedly disposed between the fixing ring 211 and the shaft sleeve 213, the shaft sleeve 213 is fixedly supported in the flow hole 121 through the fixing ring 211 and the first supporting rod 212, so as to stably support the rotating shaft 220 in the flow hole 121 and increase the stability of the rotation of the rotating shaft 220, the scraper 240 includes a fixing sleeve 241, a second supporting rod 242 and a brush head 243, the fixing sleeve 241 is fixedly connected to the outside of the rotating shaft 220, one end of the second supporting rod 242 is fixedly connected to the fixing sleeve 241, the brush head 243 is threadedly connected to one end of the second supporting rod 242 away from the fixing sleeve 241, and the brush head 243 is attached to the inner peripheral wall of the flow hole 121, the rotating shaft 220 drives the brush head 243 to rotate through the fixing sleeve 241 and the second supporting rod 242, the impurities deposited on the inner peripheral wall of the circulation hole 121 can be cleaned, the influence on the liquid circulation caused by excessive impurity deposition in the ball valve core 120 is avoided, and the valve blockage is effectively avoided.

The working principle of the valve core cleaning mechanism for the ball valve is as follows: when the ball valve is used, one end, far away from each other, of the liquid inlet pipe 130 and the liquid outlet pipe 140 is connected with the external connecting pipe through the flange, the valve rod 150 is driven to rotate for 90 degrees through the rotating handle 160, so that the two ends of the circulation hole 121 are respectively in butt joint communication with the liquid inlet pipe 130 and the liquid outlet pipe 140 when the ball valve is opened, the ball valve is in an opening state at the moment, the valve rod 150 is driven to rotate reversely for 90 degrees through the rotating handle 160, the ball valve can be in a closing state, when the ball valve is cleaned, the ball valve is in the opening state, the plug 280 is pulled out from the sewage discharge port 141 through the pull ring 281 in a rotating mode, the rotating rod 260 is screwed through the knob 270, the sealing plate 250 is rotated to be attached to the inner peripheral wall of the liquid outlet pipe 140, at the moment, liquid in the external connecting pipe enters through the liquid inlet pipe 130 and flows out from the sewage discharge port 141, when the liquid flows through the circulation hole 121, the driving impeller 230 is pushed to rotate, the rotating shaft 220 is driven to rotate along with the rotating shaft, and impurities precipitated on the inner peripheral wall of the circulation hole 121 are scraped, the cleaned dirt is discharged along with the liquid through the drain port 141, so that the influence on the liquid circulation caused by excessive impurity deposition in the ball valve core 120 is avoided, and the valve blockage is further effectively avoided.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A valve core cleaning mechanism for a ball valve is characterized by comprising

The ball valve comprises a ball valve body (10), wherein the ball valve body (10) comprises a valve body (110), a ball valve core (120) and a valve rod (150), two ends of the valve body (110) are respectively communicated with a liquid inlet pipe (130) and a liquid outlet pipe (140), the ball valve core (120) is rotatably installed in the valve body (110), a circulation hole (121) is formed in the ball valve core (120), the valve rod (150) is installed in the top of the valve body (110) in a penetrating mode, and one end of the valve rod (150) is fixedly connected to the ball valve core (120);

cleaning mechanism (20), cleaning mechanism (20) is including supporting ring frame (210), axis of rotation (220), drive impeller (230) and scraping piece (240), supporting ring frame (210) symmetry sets up two sets ofly, two sets of supporting ring frame (210) fixed respectively set up in the both ends of circulation hole (121) internal perisporium, axis of rotation (220) both ends are rotated respectively and are connected in two sets of supporting ring frame (210) center department, drive impeller (230) install in axis of rotation (220) one end, scrape piece (240) interval crisscross install in axis of rotation (220) periphery wall, just scrape piece (240) and keep away from the one end of axis of rotation (220) all butt in circulation hole (121) internal perisporium.

2. The valve element cleaning mechanism for the ball valve as claimed in claim 1, wherein a rotating rod (260) is vertically and rotatably arranged in the liquid outlet pipe (140), and the sealing plate (250) is fixedly arranged on the rotating rod (260).

3. The valve core cleaning mechanism for the ball valve according to claim 2, wherein the outer diameter of the sealing plate (250) is consistent with the inner diameter of the liquid outlet pipe (140), and a sealing ring (251) is provided at a contact position of the outer circumferential wall of the sealing plate (250) and the inner circumferential wall of the liquid outlet pipe (140).

4. The valve core cleaning mechanism for the ball valve according to claim 2, wherein one end of the rotating rod (260) is rotatably connected to the inner peripheral wall of the liquid outlet pipe (140) through a rotating block (261), the other end of the rotating rod (260) penetrates through the liquid outlet pipe (140) and extends to the outside, a waterproof sleeve (262) is sleeved at the penetrating position of the rotating rod (260) and the liquid outlet pipe (140), and a knob (270) is fixedly arranged at the extending end of the rotating rod (260).

5. The valve core cleaning mechanism for the ball valve according to claim 2, wherein a drain outlet (141) is formed at the bottom of the liquid outlet pipe (140) between the sealing plate (250) and the ball valve core (120), a plug (280) is screwed at the bottom end of the drain outlet (141), and a pull ring (281) is fixedly arranged outside the plug (280).

6. The valve element cleaning mechanism for the ball valve according to claim 1, wherein the supporting ring frame (210) comprises a fixing ring (211), a first supporting rod (212) and a shaft sleeve (213), the fixing ring (211) is fixedly connected to the inner peripheral wall of the flow hole (121), the shaft sleeve (213) is rotatably sleeved on the outer portion of the rotating shaft (220), and the first supporting rod (212) is fixedly arranged between the fixing ring (211) and the shaft sleeve (213) in an array.

7. The valve core cleaning mechanism for the ball valve according to claim 1, wherein the scraping element (240) comprises a fixing sleeve (241), a second supporting rod (242) and a brush head (243), the fixing sleeve (241) is fixedly sleeved outside the rotating shaft (220), one end of the second supporting rod (242) is fixedly connected to the fixing sleeve (241), the brush head (243) is screwed to one end of the second supporting rod (242) far away from the fixing sleeve (241), and the brush head (243) is attached to the inner peripheral wall of the circulation hole (121).

8. The valve core cleaning mechanism for the ball valve according to claim 1, wherein a first sealing ring (122) is embedded at an interface between the liquid inlet pipe (130) and the outer peripheral wall of the ball valve core (120), a first sealing ring (122) is also embedded at an interface between the liquid outlet pipe (140) and the outer peripheral wall of the ball valve core (120), and a second sealing ring (151), a third sealing ring (152) and a fourth sealing ring (153) are sequentially embedded at a connection position of the valve rod (150) and the valve body (110) from bottom to top.

9. The valve core cleaning mechanism for the ball valve according to claim 1, wherein a rotating handle (160) is fixedly arranged at the top end of the valve rod (150) extending out of the valve body (110), and an anti-slip plastic sleeve (161) is sleeved outside the rotating handle (160).

10. The valve core cleaning mechanism for the ball valve according to claim 9, wherein a stop block (170) is fixedly arranged at the top of the valve body (110), and a hook adapted to the stop block (170) is fixedly arranged at one end of the rotating handle (160).