CN216666553U

CN216666553U - Easy-to-overhaul top-mounted ball valve

Info

Publication number: CN216666553U
Application number: CN202122928572.4U
Authority: CN
Inventors: 王垂宏; 王迪政; 王泽�; 龚长龙; 党安荣
Original assignee: Jiangsu Kaien Automatic Control Technology Co ltd
Current assignee: Jiangsu Kaien Automatic Control Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-03
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to an easy-to-overhaul top-mounted ball valve, which comprises a valve body, a ball body and a valve rod, wherein a packing groove and a sealing groove are formed in the upper end of the valve body, a packing sealing ring is placed in the packing groove, an L-shaped groove is formed in the packing sealing ring, a pressure plate is placed on the sealing groove and the packing sealing ring, a base is arranged beside the valve body, an arc-shaped limiting plate is slidably connected onto the base, a lead screw is connected onto the base in a threaded manner, the lead screw penetrates through the base and is rotatably connected with the arc-shaped limiting plate, an upper cover is connected onto the valve body and positioned on the pressure plate in a threaded manner, and a limiting groove is formed in the upper cover: the packing sealing ring is convenient to disassemble, assemble, maintain and replace, and the labor intensity of workers is reduced.

Description

Easy-to-overhaul top-mounted ball valve

Technical Field

The utility model relates to the field of valves, in particular to an easily-overhauled upper-mounted ball valve.

Background

The ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, plays a very important role in national economy, the cock body is a sphere, medium inlets and outlets are formed in two sides of the cock body, the ball valve is mainly used for cutting off, distributing and changing the flowing direction of a medium in a pipeline, and the ball valve can change the flowing direction of the medium by only using a valve rod to rotate and driving a rotating torque which is very small in rotation. The ball body of the ball valve can be generally divided into an upper mounting type, a left mounting type, a right mounting type and a lower mounting type, wherein the upper mounting type has better impact resistance to pressure and relatively simple structure.

The existing ball valve is in a long-term use process, a gap can be formed between the valve rod and the packing sealing ring due to long-term rotation, leakage occurs, the existing ball valve is complex in disassembly and assembly and troublesome in maintenance, and therefore the easy-maintenance type top-mounted ball valve is needed.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the utility model provides an easy type of overhauing facial make-up ball valve is convenient for dismouting and maintenance replacement packing sealing washer, reduces workman intensity of labour.

In order to achieve the above purpose, the present invention provides the following technical solutions: easy maintenance type upper assembling type ball valve, including valve body, spheroid and valve rod, open the upper end of valve body has packing groove and seal groove, the packing sealing washer has been placed to the packing inslot, it has the L shape groove to open on the packing sealing washer, the pressure disk has been placed on seal groove and the packing sealing washer, the side of valve body is provided with the base, slidable connection has the arc limiting plate on the base, threaded connection has the lead screw on the base, the lead screw passes base and arc limiting plate rotatable coupling, be located threaded connection has the upper cover on the pressure disk on the valve body, it has the spacing groove to cover to open on.

Further, the spheroid is located the valve body, and spheroid and valve rod all with valve body rotatable coupling, valve rod and spheroid threaded connection.

Furthermore, through holes are formed in the middle of the pressure plate and the upper cover, and the valve rod is connected with the pressure plate and the upper cover in a rotatable and slidable mode.

Further, the base is welded with the valve body, an arc-shaped groove is formed in the arc-shaped limiting plate and provided with an arc-shaped protruding block, the arc-shaped protruding block and the arc-shaped limiting plate are integrated, and the arc-shaped protruding block and the limiting groove are correspondingly arranged.

The utility model has the beneficial effects that: through the cooperation use of upper cover, lead screw, arc limiting plate, pressure disk and base, the packing sealing washer of replacement is examined and repaired to the dismouting of being convenient for, reduces workman intensity of labour.

Drawings

FIG. 1 is a schematic axial view of an easy-to-service top-loading ball valve according to the present invention;

FIG. 2 is an exploded view of a packing seal ring of the easy-to-repair top-mounted ball valve according to the present invention;

FIG. 3 is an exploded view of the pressure plate of the easy-to-repair top-mounted ball valve of the present invention;

FIG. 4 is a schematic view of an arc-shaped limiting plate of the easy-to-overhaul top-mounted ball valve of the utility model.

In the figure: 1. a valve body; 101. a packing groove; 102. a sealing groove; 2. a valve stem; 3. a packing seal ring; 301. an L-shaped slot; 4. a platen; 5. a base; 6. an arc limiting plate; 7. a screw rod; 8. an upper cover; 801. a limiting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-4 shown easy maintenance type facial make-up ball valve, including valve body 1, spheroid and valve rod 2, open the upper end of valve body 1 has packing groove 101 and seal groove 102, packing seal circle 3 has been placed in packing groove 101, it has L shape groove 301 to open on the packing seal circle 3, pressure disk 4 has been placed on seal groove 102 and the packing seal circle 3, the side of valve body 1 is provided with base 5, slidable connection has arc limiting plate 6 on the base 5, threaded connection has lead screw 7 on the base 5, lead screw 7 passes base 5 and arc limiting plate 6 rotatable coupling, threaded connection has upper cover 8 on the pressure disk 4 on the valve body 1, it has spacing groove 801 to open on the upper cover 8.

The spheroid is located valve body 1, and spheroid and valve rod 2 all with valve body 1 rotatable coupling, valve rod 2 and spheroid threaded connection.

Through holes are formed in the middle of the pressure plate 4 and the middle of the upper cover 8, and the valve rod 2 is connected with the pressure plate 4 and the upper cover 8 in a rotatable and slidable mode.

The base 5 is welded with the valve body 1, an arc-shaped groove is formed in the arc-shaped limiting plate 6, an arc-shaped protruding block is arranged on the arc-shaped groove, the arc-shaped protruding block and the arc-shaped limiting plate 6 are integrated, and the arc-shaped protruding block and the limiting groove 801 are correspondingly arranged.

The working principle of the utility model is as follows: when packing sealing washer 3 needs to be changed, at first, the lead screw 7 is rotated to make the arc limiting plate 6 slide to the one end of keeping away from upper cover 8, make arc limiting plate 6 and upper cover 8 separate, rotate upper cover 8 and separate from valve body 1 afterwards, lift pressure disk 4 and upper cover 8 afterwards, take out old packing sealing washer 3, break off new packing sealing washer 3 from L shape groove 301 department afterwards and place in packing groove 101 along valve rod 2, put down pressure disk 4 afterwards, upper cover 8 screws to target in place, it can to make the arc lug card on the arc limiting plate 6 go into spacing groove 801 at last.

The above examples are intended to further illustrate the present invention, but not to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. Easy maintenance type facial make-up ball valve, its characterized in that: including valve body (1), spheroid and valve rod (2), open the upper end of valve body (1) has packing groove (101) and seal groove (102), packing sealing washer (3) have been placed in packing groove (101), it has L shape groove (301) to open on packing sealing washer (3), pressure disk (4) have been placed on seal groove (102) and packing sealing washer (3), the side of valve body (1) is provided with base (5), slidable connection has arc limiting plate (6) on base (5), threaded connection has lead screw (7) on base (5), lead screw (7) pass base (5) and arc limiting plate (6) rotatable coupling, threaded connection has upper cover (8) on lieing in pressure disk (4) on valve body (1), it has spacing groove (801) to open on upper cover (8).

2. The easy-to-service top-loading ball valve according to claim 1, wherein: the spheroid is located valve body (1), and spheroid and valve rod (2) all with valve body (1) rotatable coupling, valve rod (2) and spheroid threaded connection.

3. The easy-to-service top-loading ball valve according to claim 1, wherein: the pressure disk (4) and the upper cover (8) are provided with through holes in the middle, and the valve rod (2) is connected with the pressure disk (4) and the upper cover (8) in a rotatable and slidable manner.

4. The easy-to-service top-loading ball valve according to claim 1, wherein: the valve is characterized in that the base (5) is welded with the valve body (1), an arc-shaped groove is formed in the arc-shaped limiting plate (6), an arc-shaped convex block is arranged on the arc-shaped groove, the arc-shaped convex block and the arc-shaped limiting plate (6) are integrated, and the arc-shaped convex block corresponds to the limiting groove (801).