CN113007380B

CN113007380B - Low-abrasion ball valve

Info

Publication number: CN113007380B
Application number: CN202110308238.0A
Authority: CN
Inventors: 张玉涛; 李蒙
Original assignee: ZHEJIANG JINLONG AUTOMATIC CONTROL EQUIPMENT CO LTD
Current assignee: ZHEJIANG JINLONG AUTOMATIC CONTROL EQUIPMENT CO LTD
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2022-09-06
Anticipated expiration: 2041-03-23
Also published as: CN113007380A

Abstract

The invention discloses a novel low-abrasion ball valve, which belongs to the field of ball valves and comprises a valve body, wherein a connecting pipe is fixedly arranged on the outer side of the valve body, a valve rod is connected to the top of the valve body, a wear-resistant mechanism is arranged inside the connecting pipe, a ball body is arranged inside the wear-resistant mechanism and fixedly arranged at the bottom end of the valve rod, a circulating groove is formed inside the ball body, a limiting block is fixedly arranged on the inner wall of the circulating groove, and a butt joint pipe is movably connected to the outer side of the limiting block, the wear resistance of the ball body is improved, and the service life of the ball valve is prolonged.

Description

Low-abrasion ball valve

Technical Field

The invention relates to the field of ball valves, in particular to a low-abrasion ball valve.

Background

The ball valve, the opening and closing piece is driven by the valve stem, and the valve making rotary motion around the axis of the ball valve can also be used for the regulation and control of fluid, wherein, a strong shearing force is provided between the V-shaped ball core of the hard seal V-shaped ball valve and the metal valve seat of the bead weld hard alloy, the ball valve is especially suitable for the medium containing fiber, tiny solid particles and the like, and the multi-channel ball valve can flexibly control the confluence, diversion and flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels.

Current ball valve when using, does not possess the mechanism that carries out wear-resisting improvement flow precision to the inside of valve body usually, does not possess moreover and improves the leakproofness of valve body inside, can't prevent leaking the ball valve to do not possess the mechanism that carries out the conversion operation to the action bars of ball valve, do not possess the mechanism that carries out real-time indication to the state of opening and shutting of ball valve moreover, lead to the wear-resisting effect of ball valve poor, life is short, and the operation is inconvenient, and work efficiency is low.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a low-abrasion ball valve which can realize the abrasion resistance of the interior of a valve body and improve the flow accuracy, can improve the sealing performance of the interior of the valve body, can prevent leakage of the ball valve, and solves the problems of poor abrasion resistance effect, short service life, inconvenient operation and low working efficiency of the ball valve.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A low-abrasion ball valve comprises a valve body, wherein a connecting pipe is fixedly mounted on the outer side of the valve body, a valve rod is connected to the top of the valve body, a wear-resistant mechanism is mounted inside the connecting pipe, a ball body is arranged inside the wear-resistant mechanism and fixedly mounted at the bottom end of the valve rod, a circulation groove is formed inside the ball body, a limiting block is fixedly mounted on the inner wall of the circulation groove, a butt joint pipe is movably connected to the outer side of the limiting block, a fixing ring is fixedly mounted on the outer wall of the butt joint pipe, a magnetic block is fixedly connected to the outer side of the fixing ring, a first sliding block is fixedly mounted at the bottom end of the magnetic block, a first sliding groove is slidably connected to the bottom end of the first sliding block and formed inside the valve body, a first reset spring is fixedly mounted on the outer side of the fixing ring, a connecting ring is fixedly connected to the other side of the first reset spring, and an electromagnetic block is fixedly mounted at the top end of the connecting ring, and the inside wall of electromagnetism piece and valve body is fixed mounting, the positive terminal surface of butt joint pipe is connected with first connecting axle, and the top of first connecting axle installs the fly leaf, the top of fly leaf is connected with the second connecting axle, and the outer wall slidable mounting of second connecting axle has the slide to the slide is seted up in the inside of fly leaf, the mechanism is prevented leaking by installing at spheroidal top, the top of valve rod is connected with the shifter, and the indicating mechanism is installed to the bottom of valve rod.

Furthermore, the fixing ring forms a sliding structure with the valve body through the first sliding block and the first sliding groove, and the fixing ring forms an elastic structure with the connecting ring through the first return spring.

Furthermore, the movable plate forms a rotating structure through the first connecting shaft and the butt joint pipe, and the movable plate forms a sliding structure through the slide way, the second connecting shaft and the valve body.

Further, the inside of preventing letting out the mechanism is including sealed piece, and sealed piece at the outer wall fixed mounting of valve rod, the outer wall fixedly connected with second slider of sealed piece, and the outer wall slidable mounting of second slider has the second spout, the second spout is seted up at the inner wall of valve body, the bottom fixed mounting of sealed piece has third reset spring, and third reset spring's bottom fixedly connected with ends and let out the board, end one side of letting out the board and install the loose axle.

Furthermore, the leakage stopping plate forms an elastic structure with the sealing block through a third return spring, and the sealing block forms a sliding structure with the valve body through a second sliding block and a second sliding groove.

Further, the inside of shifter is including first bevel gear, and first bevel gear is at the outer wall fixed connection of valve rod, second bevel gear is installed in the meshing of one side of first bevel gear, and the internal connection of second bevel gear has the bull stick, the riser is installed to one side of bull stick, the slot has been seted up on the top of valve rod, and the inside activity of slot is pegged graft and is had L type pole, the installation piece is installed in the outside of L type pole, and the outer wall cover of L type pole is equipped with fourth reset spring, one side fixedly connected with action bars of installation piece.

Furthermore, the L-shaped rod forms an elastic structure with the mounting block through a fourth return spring, two groups of L-shaped rods are symmetrically arranged on the central axis of the mounting block, and the central axis of the mounting block coincides with the central axis of the slot.

Furthermore, the valve rod forms a transmission structure through the first bevel gear and the second bevel gear, the first bevel gear and the second bevel gear are vertically distributed, and the second bevel gear is symmetrically provided with two groups about the central axis of the valve rod.

Further, indicating mechanism's inside is including the apron, and apron and valve rod be fixed connection, the bottom fixed mounting of apron has the curb plate, and the bottom fixedly connected with third slider of curb plate, the bottom slidable mounting of third slider has the third spout, and the third spout is seted up on the top of valve body, the pole setting is installed in the outside of curb plate, and the bottom of pole setting is fixed connection with the valve body, the axis of rotation is installed on the top of pole setting, and one side of axis of rotation is connected with the indicator plate, the torsional spring is installed to the bottom of indicator plate, and the opposite side of torsional spring is connected with the pole setting.

Furthermore, the indicator board passes through to constitute rotating-structure between axis of rotation and the pole setting, and the indicator board passes through to constitute elastic construction between torsional spring and the pole setting.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the wear-resistant mechanism is arranged, the magnetism is released by electrifying the electromagnetic block, so that the magnetic block is attracted by the magnetism to move towards the electromagnetic block, the fixing ring drives the butt joint pipe to move towards one side of the ball body in the connecting pipe, the butt joint pipe is butted against the inside of the convection through groove, the contact between the circulation groove and the ball body and the valve body is effectively avoided, the wear resistance of the ball body is improved, and the service life of the ball valve is prolonged.

2. According to the invention, the leakage-proof mechanism is arranged, the sealing block rotates along with the valve rod under the fixing action of the sealing block and the valve rod, so that the sealing effect of the sealing block in the valve body is ensured, and the leakage-proof plate is used for stopping leakage of the interior of the valve body through the movable shaft by arranging the third reset spring at the bottom of the sealing property, so that the leakage-proof plate effectively prevents the leakage of the interior of the valve body, ensures the working quality of the ball valve, and is simple in structure and convenient to operate.

3. According to the invention, the switching mechanism is arranged, the L-shaped rod is connected with the slot, the operating rod is fixed at the top of the valve rod through the mounting block, the valve rod can be conveniently operated by a user through the operating rod, time and labor are saved, the slot is formed in one side of the rotating rod, the operating rod can be connected with the rotating rod under the action of the L-shaped rod, the user can operate the valve rod through the second bevel gear under the transmission action of the first bevel gear and the second bevel gear, and through the arrangement, the user can conveniently operate the valve rod on the side surface under the condition of insufficient space at the top of the ball valve, the application range of the ball valve is expanded, and the flexibility of the ball valve is improved.

4. According to the invention, through the arrangement of the indicating mechanism, the cover plate is fixedly connected with the valve rod, and under the action of the indicating plate, the indicating plate always indicates the opening and closing conditions of the ball valve at the top of the cover plate through the rotating shaft, so that a user can conveniently and accurately master the opening state of the ball valve, the portability of the ball valve is improved, the structure is simple, and the later maintenance cost is low.

Drawings

FIG. 1 is a schematic perspective view of a low-wear ball valve of the present invention;

FIG. 2 is a schematic cross-sectional view of the wear mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the anti-leakage mechanism of the present invention;

FIG. 4 is a schematic front view of the switching mechanism of the present invention;

fig. 5 is a front structural schematic diagram of an indicating mechanism of the present invention.

The reference numbers in the figures illustrate:

1. a valve body; 2. a connecting pipe; 3. a valve stem; 4. a wear resistant mechanism; 401. a sphere; 402. a circulation tank; 403. a limiting block; 404. butt-joint pipes; 405. a fixing ring; 406. a magnetic block; 407. a first slider; 408. a first chute; 409. a first return spring; 410. a connecting ring; 411. an electromagnetic block; 412. a first connecting shaft; 413. a movable plate; 414. a second connecting shaft; 415. a slideway; 5. an anti-leakage mechanism; 501. a sealing block; 502. a second slider; 503. a second chute; 504. a third return spring; 505. a leakage stopping plate; 506. a movable shaft; 6. a switching mechanism; 601. a first bevel gear; 602. a second bevel gear; 603. a rotating rod; 604. a vertical plate; 605. a slot; 606. an L-shaped rod; 607. mounting blocks; 608. a fourth return spring; 609. an operating lever; 7. an indication mechanism; 701. a cover plate; 702. a side plate; 703. a third slider; 704. a third chute; 705. erecting a rod; 706. a rotating shaft; 707. an indicator panel; 708. a torsion spring.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, a low-wear ball valve includes a valve body 1, a connecting pipe 2, a valve stem 3, a wear-resistant mechanism 4, a ball 401, a flow channel 402, a limiting block 403, a butt pipe 404, a fixing ring 405, a magnetic block 406, a first slider 407, a first sliding groove 408, a first return spring 409, a connecting ring 410, an electromagnetic block 411, a first connecting shaft 412, a movable plate 413, a second connecting shaft 414, a sliding way 415, a leakage-proof mechanism 5, a sealing block 501, a second slider 502, a second sliding groove 503, a third return spring 504, a leakage-proof plate 505, a movable shaft 506, a switching mechanism 6, a first bevel gear 601, a second bevel gear 602, a rotating rod 603, a vertical plate 604, a slot 605, an L-shaped rod 606, a mounting block 607, a fourth return spring 608, an operating rod 609, an indicating mechanism 7, a cover plate 701, a side plate 702, a third slider 703, a third sliding groove 704, a vertical rod 705, a rotating shaft 706, an indicating plate 707, and a torsion spring 708, the outer side of the valve body 1 is fixedly provided with a connecting pipe 2, the top of the valve body 1 is connected with a valve rod 3, the inner part of the connecting pipe 2 is provided with a wear-resistant mechanism 4, the inner part of the wear-resistant mechanism 4 comprises a ball 401, the ball 401 is fixedly arranged at the bottom end of the valve rod 3, the ball 401 is internally provided with a circulation groove 402, the inner wall of the circulation groove 402 is fixedly provided with a limit block 403, the outer side of the limit block 403 is movably connected with a butt joint pipe 404, the outer wall of the butt joint pipe 404 is fixedly provided with a fixed ring 405, the outer side of the fixed ring 405 is fixedly connected with a magnetic block 406, the bottom end of the magnetic block 406 is fixedly provided with a first sliding block 407, the bottom end of the first sliding block 407 is slidably connected with a first sliding groove 408, the first sliding groove 408 is arranged in the valve body 1, the outer side of the fixed ring 405 is fixedly provided with a first return spring 409, and the other side of the first return spring 409 is fixedly connected with a connecting ring 410, top fixed mounting of go-between 410 has electromagnetism piece 411, and electromagnetism piece 411 is fixed mounting with the inside wall of valve body 1, the positive terminal surface of butt joint pipe 404 is connected with first connecting axle 412, and fly leaf 413 is installed at the top of first connecting axle 412, the top of fly leaf 413 is connected with second connecting axle 414, and the outer wall slidable mounting of second connecting axle 414 has slide 415, and slide 415 is seted up in the inside of fly leaf 413, the top of spheroid 401 is installed and is prevented letting out mechanism 5, the top of valve rod 3 is connected with shifter 6, and indicating mechanism 7 is installed to the bottom of valve rod 3, slot 605 has been seted up to the bull stick 603 outside that the symmetry set up, be convenient for action bars 609 is connected with bull stick 603, the flexibility of action bars 609 has been improved.

As shown in fig. 2, the fixing ring 405 forms a sliding structure with the valve body 1 through the first sliding block 407 and the first sliding groove 408, and the fixing ring 405 forms an elastic structure with the connecting ring 410 through the first return spring 409, so that under the elastic action of the first return spring 409, when the electromagnetic block 411 is not energized, the fixing ring 405 drives the docking pipe 404 to be reset, thereby facilitating the separation of the docking pipe 404 and the circulation groove 402.

As shown in fig. 2, the movable plate 413 forms a rotating structure with the butt joint pipe 404 through the first connecting shaft 412, the movable plate 413 forms a sliding structure with the valve body 1 through the sliding channel 415 and the second connecting shaft 414, and the butt joint pipe 404 is butted in the flow through groove 402, so that the flow through groove 402 and the ball 401 are effectively prevented from contacting the valve body 1, the wear resistance of the ball 401 is improved, and the service life of the ball valve is prolonged.

As shown in fig. 3, the inside of the leakage-proof mechanism 5 includes a sealing block 501, and the sealing block 501 is fixedly mounted on the outer wall of the valve rod 3, the outer wall of the sealing block 501 is fixedly connected with a second slider 502, and the outer wall of the second slider 502 is slidably mounted with a second chute 503, the second chute 503 is opened on the inner wall of the valve body 1, the bottom end of the sealing block 501 is fixedly mounted with a third return spring 504, and the bottom end of the third return spring 504 is fixedly connected with a leakage-proof plate 505, one side of the leakage-proof plate 505 is mounted with a movable shaft 506, by arranging the third return spring 504 at the bottom of the sealing property, the leakage-proof plate 505 stops the leakage from the inside of the valve body 1 through the movable shaft 506, thereby effectively preventing the internal leakage of the valve body 1.

As shown in fig. 3, the leakage-stopping plate 505 forms an elastic structure with the sealing block 501 through the third return spring 504, and the sealing block 501 forms a sliding structure with the valve body 1 through the second slider 502 and the second sliding groove 503, so that the sealing block 501 rotates along with the valve rod 3 under the fixing action of the sealing block 501 and the valve rod 3, thereby ensuring the sealing effect of the sealing block 501 in the valve body 1.

As shown in fig. 4, the inside of the conversion mechanism 6 includes a first bevel gear 601, the first bevel gear 601 is fixedly connected to the outer wall of the valve rod 3, a second bevel gear 602 is engaged with one side of the first bevel gear 601, a rotating rod 603 is connected to the inside of the second bevel gear 602, a vertical plate 604 is installed on one side of the rotating rod 603, a slot 605 is formed in the top end of the valve rod 3, an L-shaped rod 606 is movably inserted into the slot 605, an installation block 607 is installed on the outer side of the L-shaped rod 606, a fourth return spring 608 is sleeved on the outer wall of the L-shaped rod 606, an operation rod 609 is fixedly connected to one side of the installation block 607, the slot 605 is formed in one side of the rotating rod 603, and the operation rod 609 can be connected to the rotating rod 603 under the action of the L-shaped rod 606.

As shown in fig. 4, the L-shaped rod 606 forms an elastic structure with the mounting block 607 through the fourth return spring 608, and the L-shaped rod 606 is symmetrically provided with two sets about the central axis of the mounting block 607, and the central axis of the mounting block 607 coincides with the central axis of the slot 605, under the elastic action of the fourth return spring 608, the L-shaped rod 606 can automatically fix the slot 605 inside the mounting block 607, thereby ensuring the connection stability of the operating rod 609 and facilitating the force application operation of a user.

As shown in fig. 4, the valve rod 3 forms a transmission structure through the first bevel gear 601 and the second bevel gear 602, the first bevel gear 601 and the second bevel gear 602 are vertically distributed, and two sets of the second bevel gears 602 are symmetrically arranged about the central axis of the valve rod 3, so that under the transmission action of the first bevel gear 601 and the second bevel gear 602, a user can operate the valve rod 3 through the second bevel gear 602, and the user can operate the valve rod laterally under the condition of insufficient headspace of the ball valve.

As shown in fig. 5, the inside of the indication mechanism 7 includes a cover plate 701, and the cover plate 701 is fixedly connected with the valve rod 3, a side plate 702 is fixedly mounted at the bottom end of the cover plate 701, a third slider 703 is fixedly connected to the bottom end of the side plate 702, a third chute 704 is slidably mounted at the bottom end of the third slider 703, and the third chute 704 is formed at the top end of the valve body 1, a vertical rod 705 is mounted on the outer side of the side plate 702, the bottom end of the vertical rod 705 is fixedly connected with the valve body 1, a rotating shaft 706 is mounted at the top end of the vertical rod 705, an indication plate 707 is connected to one side of the rotating shaft 706, a torsion spring 708 is mounted at the bottom of the indication plate 707, and the other side of the torsion spring 708 is connected with the vertical rod 705, a color separation indication line is printed on the surface of the cover plate 701, so that a user can indicate the use state of the ball valve through the indication plate 707, and accidents during use of the ball valve can be avoided.

As shown in fig. 5, the indicating plate 707 forms a rotating structure between the rotating shaft 706 and the vertical rod 705, the indicating plate 707 forms an elastic structure between the torsion spring 708 and the vertical rod 705, and the indicating plate 707 indicates the opening and closing condition of the ball valve at the top of the cover plate 701 through the rotating shaft 706 all the time, so that a user can accurately grasp the opening state of the ball valve.

The working principle is as follows: when the ball valve is used, the L-shaped rod 606 is connected with the slot 605, the operating rod 609 is fixed at the top of the valve rod 3 through the mounting block 607, a user can conveniently operate the valve rod 3 through the operating rod 609, time and labor are saved, the slot 605 is formed in one side of the rotating rod 603, the operating rod 609 can be connected with the rotating rod 603 under the action of the L-shaped rod 606, the user can operate the valve rod 3 through the second bevel gear 602 under the transmission action of the first bevel gear 601 and the second bevel gear 602, the user can conveniently operate the ball valve on the side surface under the condition that the space at the top of the ball valve is insufficient, the electromagnetic block 411 is electrified through the rotation of the valve rod 3, so that the electromagnetic block 411 is electrified to release magnetism, the magnetic block 406 is attracted by magnetism and moves towards the electromagnetic block 411, the fixing ring 405 drives the butt joint pipe 404 to move towards one side of the ball 401 in the connecting pipe 2, so that the butt joint pipe 404 butts against the inside of the through groove 402, effectual circulation groove 402 and spheroid 401 of having avoided contacts with valve body 1, the wearability of spheroid 401 has been improved, under the fixed action of sealed piece 501 and valve rod 3, make sealed piece 501 rotate along with valve rod 3, thereby sealed piece 501 has been guaranteed at the inside sealed effect of valve body 1, bottom through at the leakproofness sets up third reset spring 504, make and end board 505 of leaking and end the leaking through loose axle 506 to the inside of valve body 1, the effectual inside leakage of valve body 1 that has prevented, through the fixed connection of apron 701 with valve rod 3, under indicator 707's effect, make indicator 707 instruct the condition of opening and shutting of ball valve all the time through axis of rotation 706 at the top of apron 701, be convenient for the accurate grasp state of opening of ball valve of user, just accomplish the device's theory of operation like this.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; those skilled in the art can appreciate that the present invention is not limited to the specific embodiments disclosed herein; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. A low-abrasion ball valve comprises a valve body (1), and is characterized in that: the outer side of the valve body (1) is fixedly provided with a connecting pipe (2), the top of the valve body (1) is connected with a valve rod (3), the inside of the connecting pipe (2) is provided with a wear-resistant mechanism (4), the inside of the wear-resistant mechanism (4) comprises a ball body (401), the ball body (401) is fixedly arranged at the bottom end of the valve rod (3), the inside of the ball body (401) is provided with a circulation groove (402), the inner wall of the circulation groove (402) is fixedly provided with a limiting block (403), the outer side of the limiting block (403) is movably connected with a butt joint pipe (404), the outer wall of the butt joint pipe (404) is fixedly provided with a fixing ring (405), the outer side of the fixing ring (405) is fixedly connected with a magnetic block (406), the bottom end of the magnetic block (406) is fixedly provided with a first sliding block (407), and the bottom end of the first sliding block (407) is slidably connected with a first sliding groove (408), and a first chute (408) is arranged in the valve body (1), a first return spring (409) is fixedly arranged on the outer side of the fixed ring (405), a connecting ring (410) is fixedly connected to the other side of the first return spring (409), an electromagnetic block (411) is fixedly arranged on the top end of the connecting ring (410), the electromagnetic block (411) and the inner wall of the valve body (1) are fixedly arranged, a first connecting shaft (412) is connected to the positive end face of the butt joint pipe (404), a movable plate (413) is arranged at the top of the first connecting shaft (412), a second connecting shaft (414) is connected to the top of the movable plate (413), a slide way (415) is slidably arranged on the outer wall of the second connecting shaft (414), the slide way (415) is arranged in the movable plate (413), an anti-leakage mechanism (5) is arranged at the top of the ball body (401), and a switching mechanism (6) is connected to the top end of the valve rod (3), and the bottom of the valve rod (3) is provided with an indicating mechanism (7);

the inside of the leakage-proof mechanism (5) comprises a sealing block (501), the sealing block (501) is fixedly mounted on the outer wall of the valve rod (3), the outer wall of the sealing block (501) is fixedly connected with a second sliding block (502), the outer wall of the second sliding block (502) is slidably mounted with a second sliding chute (503), the second sliding chute (503) is formed in the inner wall of the valve body (1), the bottom end of the sealing block (501) is fixedly mounted with a third return spring (504), the bottom end of the third return spring (504) is fixedly connected with a leakage-proof plate (505), and one side of the leakage-proof plate (505) is provided with a movable shaft (506);

the inner part of the conversion mechanism (6) comprises a first bevel gear (601), the first bevel gear (601) is fixedly connected to the outer wall of the valve rod (3), one side of the first bevel gear (601) is meshed with a second bevel gear (602), the inner part of the second bevel gear (602) is connected with a rotating rod (603), a vertical plate (604) is installed on one side of the rotating rod (603), a slot (605) is formed in the top end of the valve rod (3), an L-shaped rod (606) is movably inserted into the slot (605), an installation block (607) is installed on the outer side of the L-shaped rod (606), a fourth reset spring (608) is sleeved on the outer wall of the L-shaped rod (606), and an operating rod (609) is fixedly connected to one side of the installation block (607).

2. A low-wear ball valve in accordance with claim 1, wherein: the fixing ring (405) forms a sliding structure with the valve body (1) through the first sliding block (407), the first sliding groove (408), and the fixing ring (405) forms an elastic structure with the connecting ring (410) through the first return spring (409).

3. A low-wear ball valve in accordance with claim 1, wherein: the movable plate (413) forms a rotating structure with the butt joint pipe (404) through the first connecting shaft (412), and the movable plate (413) forms a sliding structure with the valve body (1) through the slide rail (415) and the second connecting shaft (414).

4. A low-wear ball valve in accordance with claim 1, wherein: the leakage stopping plate (505) and the sealing block (501) form an elastic structure through a third return spring (504), and the sealing block (501) and the valve body (1) form a sliding structure through a second sliding block (502), a second sliding groove (503).

5. A low-wear ball valve in accordance with claim 1, wherein: the L-shaped rod (606) forms an elastic structure with the mounting block (607) through a fourth return spring (608), two groups of L-shaped rods (606) are symmetrically arranged about the central axis of the mounting block (607), and the central axis of the mounting block (607) is coincident with the central axis of the slot (605).

6. A low-wear ball valve in accordance with claim 1, wherein: the valve rod (3) forms a transmission structure through the first bevel gear (601) and the second bevel gear (602), the first bevel gear (601) and the second bevel gear (602) are vertically distributed, and two groups of the second bevel gear (602) are symmetrically arranged about the central axis of the valve rod (3).

7. A low-wear ball valve in accordance with claim 1, wherein: the inside of indicating mechanism (7) is including apron (701), and apron (701) and valve rod (3) are fixed connection, the bottom fixed mounting of apron (701) has curb plate (702), and the bottom fixedly connected with third slider (703) of curb plate (702), the bottom slidable mounting of third slider (703) has third spout (704), and third spout (704) is seted up on the top of valve body (1), pole setting (705) are installed in the outside of curb plate (702), and the bottom of pole setting (705) is fixed connection with valve body (1), axis of rotation (706) are installed on the top of pole setting (705), and one side of axis of rotation (706) is connected with indicator panel (707), torsional spring (708) are installed to the bottom of indicator panel (707), and the opposite side of torsional spring (708) is connected with pole setting (705).

8. A low-wear ball valve in accordance with claim 7, wherein: the indicating plate (707) forms a rotating structure through the rotating shaft (706) and the vertical rod (705), and the indicating plate (707) forms an elastic structure through the torsion spring (708) and the vertical rod (705).