CN114877097A

CN114877097A - Ball valve assembly based on pressure effect assists spheroid pivoted

Info

Publication number: CN114877097A
Application number: CN202210642265.6A
Authority: CN
Inventors: 李雅菲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-08-09

Abstract

The invention discloses a ball valve assembly assisting the rotation of a ball body based on the pressure effect, which comprises a cylinder body, wherein a plurality of first sliding grooves are annularly formed on the surface of the ball body, the first sliding grooves are communicated with an annular groove, a cylinder body is arranged in the first sliding grooves in a fitting and sliding manner, the section of the cylinder body is in a right trapezoid shape, an arc-shaped rod is sleeved with an extension spring, one end of the extension spring is fixedly connected with the side wall of a second sliding block, a T-shaped rotating rod vertical rod is respectively connected with a limiting ring and the cylinder body in a sliding manner, the T-shaped rotating rod vertical rod is fixedly connected with a disc, the elastic force of the first compression spring is far greater than that of the extension spring, the wall thickness of the ring is 5mm-8mm, a dovetail block is connected with the second sliding block in a welding manner, the first sliding block is made of alloy steel material and can assist in pushing the ball body to rotate by the self-flowing thrust of fluid, so that the rotation of the ball body is facilitated for workers to twist, the rotating process is time-saving and labor-saving, and the use requirements are met.

Description

Ball valve assembly based on pressure effect assists spheroid pivoted

Technical Field

The invention relates to the technical field of stop valves, in particular to a ball valve assembly assisting rotation of a ball body based on pressure action.

Background

The ball valve, the piece of opening and close (spheroid) is driven by the valve rod, the valve of rotary motion is made to the duplex winding ball valve axis, do and be used to fluidic regulation and control, and the confluence that not only can nimble control medium on the pipeline of the ball valve that leads to more, the reposition of redundant personnel, and the switching of flow direction, also can close arbitrary passageway simultaneously and make two other passageways link to each other, the flow direction of the spanner control liquid of ball valve, traditional ball valve structure is complicated, the function singleness, the practicality is poor, the valve is closing or the process of opening is a slow process, fluid causes artifical rotatory spheroid hard to spheroidal pressure during this, it is inconvenient to twist, it wastes time and energy to cause the twisting process, can not satisfy the user demand.

Disclosure of Invention

In order to solve the existing problems, the invention provides a ball valve assembly for assisting the rotation of a ball based on the pressure action.

The invention is realized by the following technical scheme:

a ball valve assembly assisting rotation of a ball body based on pressure effect comprises a barrel body, wherein two ends of the barrel body are symmetrically and fixedly communicated with pipelines, the inner diameters of the two pipelines are different, the barrel body is internally provided with the ball body, the ball body is provided with two first sealing rings in a laminating and rotating mode, the first sealing rings are fixedly embedded in the inner wall of the barrel body through glue, the bottom surface of the ball body is fixedly connected with a T-shaped rotating block, a transverse plate of the T-shaped rotating block is laminated and rotatably embedded in the barrel body, a through hole is formed in the surface of the ball body, a circular groove is formed in the surface of the ball body, the inner wall of the barrel body is fixedly connected with an annular barrel body, one end of the annular barrel body is inserted into the circular groove, the top surface of the pipeline is fixedly communicated with an arc-shaped pipe, one end of the arc-shaped pipe penetrates into the barrel body and is fixedly communicated with the annular barrel body, the arc-shaped pipe is fixedly connected with the barrel body, and a circular ring is embedded in the annular barrel body in a laminating and rotating mode, the top surface and the bottom surface of the circular ring are respectively provided with a second sealing ring in a laminating and sliding manner, the second sealing ring is fixedly embedded in the inner wall of the circular barrel body through glue, the inner wall of the circular barrel body is fixedly connected with a limiting block, one end of the limiting block is laminated with the outer arc surface of the circular ring, one side of the limiting block is fixedly embedded with a first sealing strip through glue, the first sealing strip is laminated with the outer arc surface of the circular ring, the surface of the ball body is annularly provided with a plurality of first sliding grooves, the first sliding grooves are communicated with the annular groove, the barrel body is arranged in the first sliding grooves in a laminating and sliding manner, the cross section of the barrel body is in a right trapezoid shape, one end of the barrel body penetrates through the circular ring and is laminated with the inner wall of the circular barrel body, the side wall of the barrel body is fixedly embedded with a second sealing strip through glue, the shape of the second sealing strip is U-shaped, and a third sealing ring is sleeved on the barrel body in a laminating and sliding manner, the third sealing ring is fixedly connected with the inner ring of the circular ring through glue, a first compression spring is arranged in the barrel body, one end of the first compression spring is arranged in a first sliding groove, the cross section of the first sliding groove is square, the first sliding groove is matched with the barrel body, a first transverse plate is fixedly connected with the inner top surface of the barrel body, the first transverse plate is shaped like a frame, four positioning grooves are annularly formed in the top surface of the first transverse plate, first sliding blocks are arranged in the positioning grooves in a fitting and sliding manner, a circular disc is fixedly connected among the first sliding blocks, the bottom surface of the circular disc is fixedly connected with the top surface of the transverse plate, a second transverse plate is fixedly connected with the inner side wall of the barrel body, the second transverse plate is shaped like a frame, two arc-shaped grooves are symmetrically formed in the inner wall of the second transverse plate, a second sliding block is arranged in the arc-shaped grooves in a fitting and sliding manner, one end of the second sliding block penetrates out of the arc-shaped groove, the second sliding block is arranged obliquely below the first sliding block, an arc-shaped rod is arranged in the arc-shaped groove, the arc-shaped rod penetrates through the second sliding block and is in sliding connection with the second sliding block, two ends of the arc-shaped rod are respectively fixedly connected with the surface of the second cross plate, the cross section of the arc-shaped rod is square, an extension spring is sleeved on the arc-shaped rod, one end of the extension spring is fixedly connected with the side wall of the second sliding block, the other end of the extension spring is fixedly connected with the surface of the second cross plate, dovetail grooves are symmetrically formed in the inner wall of the second cross plate, the cross section of each dovetail groove is arc-shaped, a dovetail block is arranged in each dovetail groove, the side wall of each dovetail block is fixedly connected with the side wall of the second sliding block, a second sliding groove is formed right above the top surface of the ball body, a limiting ring is fixedly connected right above the top surface of the ball body, a sliding T-shaped rotating rod is attached to the second sliding groove, the cross section of the T-shaped rotating rod is square, and the cross section of the T-shaped vertical rod is circular, t shape rotary rod montant top passes spacing ring, disc, barrel and fixedly connected with carousel in proper order, T shape rotary rod montant respectively with spacing ring, barrel sliding connection, T shape rotary rod montant and disc fixed connection, first compression spring elasticity dynamics is greater than extension spring elasticity dynamics far away.

Preferably, the wall thickness of the circular ring is 5mm-8 mm.

Preferably, the dovetail block and the second sliding block are connected by welding.

Preferably, the first sliding block is made of alloy steel materials.

Compared with the prior art, the invention has the beneficial effects that: this device simple structure, the function is various, therefore, the clothes hanger is strong in practicability, through setting up annular staving, the arc pipe, the ring, the second sealing ring, the stopper, first sealing strip, the staving, the second sealing strip, the third sealing ring, first compression spring, the dovetail block, the spacing ring, second compression spring, the carousel, first diaphragm, first slider, the disc, the second diaphragm, the second slider, the arc pole, extension spring and T shape rotary rod can realize assisting through the thrust that fluid self flows and promote the spheroid and rotate, thereby realized being convenient for spheroidal rotation, the staff of being convenient for twists and moves, rotation process labour saving and time saving, satisfy the user demand.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a top view of the structure of the present invention;

FIG. 4 is a cross-sectional view A-A of the structure of the present invention;

FIG. 5 is a cross-sectional view B-B of the structure of the present invention;

fig. 6 is a partial enlarged view of the structure of the present invention.

In the figure: the sealing device comprises a cylinder body 1, a pipeline 2, a ball body 3, a first sealing ring 4, a T-shaped rotating block 5, an annular cylinder body 6, an arc-shaped pipe 7, a circular ring 8, a second sealing ring 9, a limiting block 10, a first sealing strip 11, a cylinder body 12, a second sealing strip 13, a third sealing ring 14, a first compression spring 15, a dovetail block 16, a limiting ring 17, a second compression spring 18, a rotary disc 19, a first transverse plate 20, a first sliding block 21, a circular disc 22, a second transverse plate 23, a second sliding block 24, an arc-shaped rod 25, an extension spring 26, a T-shaped rotating rod 27, a through hole 3-1, an annular groove 3-2, a first sliding groove 3-3, a second sliding groove 3-4, a positioning groove 20-1, an arc-shaped groove 23-1 and a dovetail groove 23-2.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in figures 1-6, a ball valve assembly assisting rotation of a ball body based on pressure effect comprises a cylinder body 1, wherein two ends of the cylinder body 1 are symmetrically and fixedly communicated with pipelines 2, the inner diameters of the two pipelines 2 are different, the cylinder body 1 is internally provided with the ball body 3, the ball body 3 is provided with two first sealing rings 4 in a laminating and rotating manner, the first sealing rings 4 are fixedly embedded in the inner wall of the cylinder body 1 through glue, the bottom surface of the ball body 3 is fixedly connected with a T-shaped rotating block 5, a transverse plate of the T-shaped rotating block 5 is laminated and rotatably embedded in the cylinder body 1, the surface of the ball body 3 is provided with a through hole 3-1, the surface of the ball body 3 is provided with an annular groove 3-2, the inner wall of the cylinder body 1 is fixedly connected with an annular cylinder body 6, one end of the annular cylinder body 6 is inserted into the annular groove 3-2, the top surface of the pipeline 2 is fixedly communicated with an arc-shaped pipe 7, one end of the arc-shaped pipe 7 penetrates into the cylinder body 1 and is fixedly communicated with the annular cylinder body 6, the arc-shaped pipe 7 is fixedly connected with the barrel body 1, a circular ring 8 is embedded in the annular barrel body 6 in a fitting and rotating manner, the top surface and the bottom surface of the circular ring 8 are respectively provided with a second sealing ring 9 in a fitting and sliding manner, the second sealing ring 9 is fixedly embedded in the inner wall of the annular barrel body 6 through glue, the inner wall of the annular barrel body 6 is fixedly connected with a limiting block 10, one end of the limiting block 10 is fitted with the outer arc surface of the circular ring 8, one side of the limiting block 10 is fixedly embedded with a first sealing strip 11 through glue, the first sealing strip 11 is fitted with the outer arc surface of the circular ring 8, a plurality of first sliding grooves 3-3 are annularly arranged on the surface of the ball body 3, the first sliding grooves 3-3 are communicated with the annular groove 3-2, a barrel body 12 is arranged in the first sliding grooves 3-3 in a fitting and sliding manner, the cross section of the barrel body 12 is in a right trapezoid shape, one end of the barrel body 12 penetrates through the circular ring 8 and is fitted with the inner wall of the annular barrel body 6, the barrel body 12 is in sliding connection with the ring 8, a second sealing strip 13 is fixedly embedded in the side wall of the barrel body 12 through glue, the second sealing strip 13 is U-shaped, a sliding sleeve is attached to the barrel body 12 and is provided with a third sealing ring 14, the third sealing ring 14 is fixedly connected with the inner ring of the ring 8 through glue, a first compression spring 15 is arranged in the barrel body 12, one end of the first compression spring 15 is arranged in a first sliding groove 3-3, the cross section of the first sliding groove 3-3 is square, the first sliding groove 3-3 is matched with the barrel body 12, a first transverse plate 20 is fixedly connected with the inner top surface of the barrel body 1, the first transverse plate 20 is frame-shaped, four positioning grooves 20-1 are annularly formed in the top surface of the first transverse plate 20, a first sliding block 21 is slidably arranged in the positioning grooves 20-1, and a disc 22 is fixedly connected among the first sliding blocks 21, the bottom surface of the disc 22 is fixedly connected with the top surface of the transverse plate 18, the inner side wall of the barrel 1 is fixedly connected with a second transverse plate 23, the second transverse plate 23 is frame-shaped, the inner wall of the second transverse plate 23 is symmetrically provided with two arc-shaped grooves 23-1, a second sliding block 24 is arranged in the arc-shaped grooves 23-1 in a fitting and sliding manner, one end of the second sliding block 24 penetrates through the arc-shaped grooves 23-1, the second sliding block 24 is arranged below the first sliding block 21 in an inclined manner, arc-shaped rods 25 are arranged in the arc-shaped grooves 23-1, the arc-shaped rods 25 penetrate through the second sliding block 24 and are connected with the second sliding block in a sliding manner, two ends of each arc-shaped rod 25 are respectively fixedly connected with the surface of the second transverse plate 23, the cross section of each arc-shaped rod 25 is square, each arc-shaped rod 25 is sleeved with a tension spring 26, one end of each tension spring 26 is fixedly connected with the side wall of the second sliding block 24, and the other end of each tension spring 26 is fixedly connected with the surface of the second transverse plate 23, the inner wall of the second transverse plate 23 is symmetrically provided with dovetail grooves 23-2, the cross sections of the dovetail grooves 23-2 are arc-shaped, dovetail blocks 16 are arranged in the dovetail grooves 23-2, the side walls of the dovetail blocks 16 are fixedly connected with the side walls of the second sliding blocks 24, second sliding grooves 3-4 are arranged right above the top surface of the ball 3, the shapes of the second sliding grooves 3-4 are square, a limit ring 17 is fixedly connected right above the top surface of the ball 3, sliding T-shaped rotating rods 27 are attached in the second sliding grooves 3-4, the cross sections of the transverse rods of the T-shaped rotating rods 27 are square, the cross sections of the vertical rods of the T-shaped rotating rods 27 are circular, the top ends of the vertical rods of the T-shaped rotating rods 27 sequentially penetrate through the limit ring 17, the circular disc 22 and the cylinder 1 and are fixedly connected with the rotary disc 19, the vertical rods of the T-shaped rotating rods 27 are respectively in sliding connection with the limit ring 17 and the cylinder 1, the vertical rods of the T-shaped rotating rods 27 are fixedly connected with the circular disc 22, the elastic force of the first compression spring 15 is much greater than that of the extension spring 26.

The wall thickness of the circular ring 8 is 5mm-8 mm.

The dovetail block 16 and the second sliding block 24 are connected by welding.

The first slide block 21 is made of alloy steel material.

The working principle is as follows: the device is used for replacing a traditional valve, a pipeline 2 with small inner diameter is fixedly communicated with a liquid conveying pipeline, then another pipeline 2 is communicated with the conveying pipeline again, due to the liquid pressure, liquid enters an annular barrel body 6 through an arc-shaped pipe 7, the liquid entering the annular barrel body 6 is gradually increased, the gradually increased liquid pushes the barrel body 12 to rotate, the barrel body 12 drives a ball body 3 to rotate, the ball body 3 drives a T-shaped rotating rod 27 to rotate, the T-shaped rotating rod 27 drives a disc 22 to rotate, the disc 22 drives a first sliding block 21 to rotate, the first sliding block 21 is clamped in a positioning groove 20-1 at the moment, a first transverse plate 20 limits the first sliding block 21, so that the first sliding block 21 cannot rotate, the first sliding block 21 cannot rotate so that the disc 22 cannot rotate, and the disc 22 cannot rotate so that the T-shaped rotating rod 27 cannot rotate, when the flowing state of the liquid needs to be changed, a worker firstly presses the rotary disc 19, the rotary disc 19 drives the T-shaped rotary rod 27 to move downwards to extrude the second compression spring 18, the T-shaped rotary rod 27 drives the disc 22 to move downwards, the disc 22 drives the first sliding block 21 to move downwards to gradually slide out of the positioning groove 20-1, the movement is stopped when the bottom surface of the rotary disc 19 is attached to the top surface of the cylinder 1, the first sliding block 21 just slides out of the positioning groove 20-1, the first transverse plate 20 cancels the limit on the first sliding block 21, so that the first sliding block 21 can rotate, and the side wall of the first sliding block 21 just attaches to the side wall of the second sliding block 24, then the rotating disc 19 is rotated clockwise, the worker does not press the rotating disc 19 downwards in the rotating process of the rotating disc 19 any more, so that the rotating disc 19 can have a tendency of moving upwards, the rotating disc 19 drives the T-shaped rotating rod 27 to rotate clockwise, the T-shaped rotating rod 27 drives the disk 22 to rotate, the disk 22 drives the first slider 21 to rotate, the first slider 21 pushes the second slider 24 to slide on the arc-shaped rod 25, the second slider 24 slides to pull the extension spring 26 to generate elastic deformation, the second slider 24 drives the dovetail block 16 to slide in the dovetail groove 23-2, due to the radian of the dovetail groove 23-2, the dovetail block 16 can only rotate 90 degrees, the second slider 24 can only rotate 90 degrees, the first slider 21 can only rotate 90 degrees, so that the T-shaped rotating rod 27 stops after rotating 90 degrees, the T-shaped rotating rod 27 drives the ball 3 to rotate, the ball 3 drives the through hole 3-1 to rotate, the through hole 3-1 stops after rotating for 90 degrees, thereby realizing the opening and closing of the ball 3, indirectly realizing the control of the liquid flowing state, during the period, the liquid gradually enters the annular barrel body 6 through an arc pipe 7, the liquid pushes the barrel body 12 to rotate, the barrel body 12 drives the ball 3 to rotate, thereby realizing the auxiliary rotation of the ball 3, the liquid is gradually discharged into another pipeline 2 from another arc pipe 7, the barrel body 12 passing through the limiting block 10 is extruded by the limiting block 10, the limiting block 10 pushes the barrel body 12 to transversely move to extrude the first compression spring 15 to deform, because of the shape of the barrel body 12, the barrel body 12 can only unidirectionally rotate, the first sliding block 21 corresponds to the positioning groove 20-1 again after rotating for 90 degrees, at the moment, the extruded second compression spring 18 pushes the T-shaped rotating rod 27 to move, the T-shaped rotating rod 27 drives the disc 22 to move, when the disc 22 is attached to the top surface in the cylinder 1, the movement is stopped, the T-shaped rotating rod 27 drives the rotating disc 19 to move and reset, the T-shaped rotating rod 27 drives the disc 22 to move, the disc 22 drives the first sliding block 21 to move and be inserted into the positioning groove 20-1 again, the first transverse plate 20 limits the position of the first sliding block 21, so that the first sliding block 21 cannot rotate, the sphere 3 is indirectly fixed, the first sliding block 21 gradually moves and is separated from the second sliding block 24, at the moment, the extension spring 26 pulls the second sliding block 24 to move and reset, the second sliding block 24 drives the dovetail block 16 to rotate and reset, the limiting block 10 and the limiting ring 17 are arranged to play an effective limiting role, the arrangement of the first sealing ring 4, the second sealing ring 9, the first sealing strip 11, the second sealing strip 13 and the third sealing ring 14 plays an effective sealing role, the normal work of the device is ensured, the arrangement of the first compression spring 15, the second compression spring 18 and the extension spring 26 plays an effective reset role, and the arrangement of the arc-shaped rod 25 plays a role in guiding the rotation of the second sliding block 24.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a supplementary spheroid pivoted ball valve subassembly based on pressure effect, includes barrel (1), the fixed intercommunication in barrel (1) both ends symmetry has pipeline (2), and two pipeline (2) internal diameters are different, be equipped with spheroid (3) in barrel (1), the laminating rotation is equipped with two first sealing ring (4) on spheroid (3), first sealing ring (4) are through the fixed embedding of glue at barrel (1) inner wall, spheroid (3) bottom surface fixedly connected with T shape rotating block (5), the rotatory embedding of T shape rotating block (5) diaphragm laminating is in barrel (1), its characterized in that: the surface of the ball body (3) is provided with a through hole (3-1), the surface of the ball body (3) is provided with an annular groove (3-2), the inner wall of the barrel body (1) is fixedly connected with an annular barrel body (6), one end of the annular barrel body (6) is inserted into the annular groove (3-2), the top surface of the pipeline (2) is fixedly communicated with an arc-shaped pipe (7), one end of the arc-shaped pipe (7) penetrates into the barrel body (1) and is fixedly communicated with the annular barrel body (6), the arc-shaped pipe (7) is fixedly connected with the barrel body (1), a ring (8) is embedded in the annular barrel body (6) in a laminating and rotating manner, the top surface and the bottom surface of the ring (8) are respectively provided with a second sealing ring (9) in a laminating and sliding manner, the second sealing ring (9) is fixedly embedded in the inner wall of the annular barrel body (6) through glue, the inner wall of the annular barrel body (6) is fixedly connected with a limiting block (10), the novel garbage can is characterized in that one end of the limiting block (10) is attached to the outer arc surface of the circular ring (8), a first sealing strip (11) is fixedly embedded into one side of the limiting block (10) through glue, the first sealing strip (11) is attached to the outer arc surface of the circular ring (8), a plurality of first sliding grooves (3-3) are annularly formed in the surface of the spherical body (3), the first sliding grooves (3-3) are communicated with the circular groove (3-2), a can body (12) is slidably arranged in the first sliding grooves (3-3), the cross section of the can body (12) is in a right trapezoid shape, one end of the can body (12) penetrates through the circular ring (8) and is attached to the inner wall of the annular can body (6), the can body (12) is slidably connected with the circular ring (8), a second sealing strip (13) is fixedly embedded into the side wall of the can body (12) through glue, and the second sealing strip (13) is in a U shape, the barrel body (12) is attached with a third sealing ring (14) in a sliding manner, the third sealing ring (14) is fixedly connected with an inner ring of a circular ring (8) through glue, a first compression spring (15) is arranged in the barrel body (12), one end of the first compression spring (15) is arranged in a first sliding groove (3-3), the cross section of the first sliding groove (3-3) is square, the first sliding groove (3-3) is matched with the barrel body (12), the inner top surface of the barrel body (1) is fixedly connected with a first transverse plate (20), the first transverse plate (20) is shaped like a frame, four positioning grooves (20-1) are annularly formed in the top surface of the first transverse plate (20), first sliding blocks (21) are arranged in the positioning grooves (20-1) in an attaching and sliding manner, and a circular disc (22) is fixedly connected among the first sliding blocks (21), the bottom surface of the disc (22) is fixedly connected with the top surface of the transverse plate (18), the inner side wall of the barrel body (1) is fixedly connected with a second transverse plate (23), the second transverse plate (23) is shaped like a frame, two arc-shaped grooves (23-1) are symmetrically formed in the inner wall of the second transverse plate (23), a second sliding block (24) is arranged in the arc-shaped grooves (23-1) in a fitting and sliding mode, one end of the second sliding block (24) penetrates out of the arc-shaped grooves (23-1), the second sliding block (24) is arranged below the first sliding block (21) in an inclined mode, arc-shaped rods (25) are arranged in the arc-shaped grooves (23-1), the arc-shaped rods (25) penetrate through the second sliding block (24) and are connected with the second sliding block in a sliding mode, the two ends of the arc-shaped rods (25) are fixedly connected with the surfaces of the second transverse plate (23) respectively, the cross sections of the arc-shaped rods (25) are square, and extension springs (26) are sleeved on the arc-shaped rods (25), one end of the extension spring (26) is fixedly connected with the side wall of the second sliding block (24), the other end of the extension spring (26) is fixedly connected with the surface of the second transverse plate (23), dovetail grooves (23-2) are symmetrically formed in the inner wall of the second transverse plate (23), the cross section of each dovetail groove (23-2) is arc-shaped, a dovetail block (16) is arranged in each dovetail groove (23-2), the side wall of each dovetail block (16) is fixedly connected with the side wall of the second sliding block (24), a second sliding groove (3-4) is formed right above the top surface of the ball body (3), the shape of each second sliding groove (3-4) is square, a limiting ring (17) is fixedly connected right above the top surface of the ball body (3), a sliding T-shaped rotating rod (27) is attached to the inside of each second sliding groove (3-4), and the cross section of the T-shaped rotating rod (27) is square, t shape rotary rod (27) montant cross-section is circular, spacing ring (17), disc (22), barrel (1) and fixedly connected with carousel (19) are passed in proper order on T shape rotary rod (27) montant top, T shape rotary rod (27) montant respectively with spacing ring (17), barrel (1) sliding connection, T shape rotary rod (27) montant and disc (22) fixed connection, first compression spring (15) elasticity dynamics is greater than extension spring (26) elasticity dynamics far away.

2. A pressure-assisted ball valve assembly as defined in claim 1 wherein: the wall thickness of the circular ring (8) is 5mm-8 mm.

3. A pressure assisted ball valve assembly as claimed in claim 1 wherein: the dovetail block (16) and the second sliding block (24) are connected in a welding mode.

4. A pressure assisted ball valve assembly as claimed in claim 1 wherein: the first sliding block (21) is made of alloy steel materials.