CN216279494U

CN216279494U - Ball valve seat not prone to shifting

Info

Publication number: CN216279494U
Application number: CN202120922100.5U
Authority: CN
Inventors: 吴进冬; 吴天祥; 吴纯翔; 陈丽敏
Original assignee: Star Valve Co ltd
Current assignee: Star Valve Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-04-12
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a ball valve seat not easy to deviate, belonging to the field of ball valves, and comprising a valve seat, wherein the upper end of the valve seat is fixedly connected with a ball valve, the upper end of the valve seat is in threaded connection with two expansion screws, the expansion screws are positioned on the outer side of the ball valve, two sides of the valve seat are provided with fixing boxes, jacks are formed in the fixing boxes, screws are in sliding connection with the jacks, lower magnets are arranged in the screws, the right end of the screws is fixedly connected with a rotating connecting rod, the right end of the rotating connecting rod is rotatably connected with a supporting column, the supporting column is positioned in the jacks, the right end of the supporting column is fixedly connected with a supporting baffle, slots are formed in the fixing boxes, the slots are positioned on the upper sides of the jacks, upper magnets are in sliding connection with the slots, the upper magnets and the lower magnets attract each other, the right end of the upper magnets is fixedly connected with a pressing plate, the upper ends of the upper magnets are fixedly connected with pull rods, and two ends of the fixing boxes are in threaded connection with fixing bolts, the ball valve can reduce the deviation of the water flow scouring on the valve seat of the ball valve and prolong the service life of the device.

Description

Ball valve seat not prone to shifting

Technical Field

The utility model relates to the field of ball valves, in particular to a ball valve seat not easy to deviate.

Background

A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium (liquid, gas, or powder) in a pipe or equipment by flowing or stopping the medium.

The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. Valves used for fluid control range in variety and size from the simplest shut-off valves to the various valves used in extremely complex autonomous systems.

The valve seat is a detachable surface component in the valve, is used for supporting the valve core at the fully closed position and forms a sealing pair. The diameter of the valve seat is the maximum flow diameter of the valve. For example, the valve seat of the butterfly valve is made of a wide range of materials, and various rubber, plastic and metal materials can be used as the valve seat material.

In prior art, ball valve disk seat is after the installation is accomplished, and the impact force that rivers flowed through and cause in the use can let ball valve disk seat produce vibrations to take place certain skew and influence transmission efficiency, reduce life.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a ball valve seat which is not easy to deviate, which can reduce the deviation of water flow washing on the ball valve seat and prolong the service life of the device.

2. Technical scheme

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

A ball valve seat not prone to offset comprises a valve seat, a ball valve is fixedly connected to the upper end of the valve seat, two expansion screws are in threaded connection with the upper end of the valve seat and located on the outer side of the ball valve, fixing boxes are mounted on two sides of the valve seat, inserting holes are formed in the fixing boxes, screws are connected in the inserting holes in a sliding mode, lower magnets are mounted in the screws, rotating connecting rods are fixedly connected to the right ends of the screws, supporting columns are rotatably connected to the right ends of the rotating connecting rods and located in the inserting holes, supporting baffle plates are fixedly connected to the right ends of the supporting columns, inserting grooves are formed in the fixing boxes and located on the upper sides of the inserting holes, upper magnets are connected in the inserting grooves in a sliding mode, the upper magnets and the lower magnets attract each other, pressing plates are fixedly connected to the right ends of the upper magnets, pull rods are fixedly connected to the upper ends of the upper magnets, and fixing bolts are in threaded connection with the two ends of the fixing boxes, the ball valve can reduce the deviation of the water flow scouring on the valve seat of the ball valve and prolong the service life of the device.

Furthermore, the left end of the screw is fixedly connected with a manual rotating rod, and the screw can be conveniently rotated by a worker under the condition that no tool is arranged by the aid of the rotating rod.

Further, the support column outer end is rotated and is connected with two balls, the ball contacts with the jack inner wall, through setting up the ball, can reduce the frictional force between support column and the jack for the slip of support column is more laborsaving.

Furthermore, the right end of the supporting baffle is fixedly connected with a rubber protection pad, and the supporting baffle can be contacted with the valve seat more closely by arranging the rubber protection pad, so that the abrasion of the device is reduced.

Furthermore, the pull rod is fixedly connected with a pull ring at the upper end of the pull rod, and the pull rod can be pulled more laborsavingly by arranging the pull ring.

Furthermore, the lower end of the pressing plate is fixedly connected with a rubber protection pad, and the rubber protection pad is arranged, so that abrasion caused when the valve seat and the pressing plate are transversely deviated can be reduced, and the service life is prolonged.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme can realize reducing rivers and erode the skew that produces ball valve disk seat, increases device life.

(2) The left end of the screw is fixedly connected with a manual rotating rod, and the screw can be conveniently rotated by a worker under the condition that no tool is arranged through the rotating rod.

(3) The support column outer end rotates and is connected with two balls, and the ball contacts with the jack inner wall, through setting up the ball, can reduce the frictional force between support column and the jack for the slip of support column is more laborsaving.

(4) The supporting baffle right-hand member fixedly connected with rubber protection pad through setting up rubber protection pad, can make supporting baffle inseparabler with the disk seat contact, reduces the wearing and tearing of device simultaneously.

(5) The pull rod upper end fixedly connected with pull ring through setting up the pull ring, pulling pull rod that can be more laborsaving.

(6) The lower end of the pressing plate is fixedly connected with a rubber protection pad, and the rubber protection pad is arranged, so that abrasion caused when the valve seat and the pressing plate are transversely deviated can be reduced, and the service life is prolonged.

Drawings

FIG. 1 is a cross-sectional view of a non-deflectable ball valve seat of the present invention;

FIG. 2 is a cross-sectional view taken at A in FIG. 1;

fig. 3 is a cross-sectional view at B in fig. 2.

The reference numbers in the figures illustrate:

1 valve seat, 2 ball valves, 3 expansion screws, 4 fixing boxes, 5 jacks, 6 screws, 7 lower magnets, 8 rotating connecting rods, 9 supporting columns, 901 balls, 10 supporting baffles, 11 slots, 12 upper magnets, 13 pressing plates, 14 pull rods, 1401 pull rings and 15 fixing bolts.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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.

Example 1:

referring to fig. 1-3, a ball valve seat not prone to offset comprises a valve seat 1, a ball valve 2 is fixedly connected to the upper end of the valve seat 1, two expansion screws 3 are connected to the upper end of the valve seat 1 in a threaded manner, the expansion screws 3 are located on the outer side of the ball valve 2, fixing boxes 4 are installed on two sides of the valve seat 1, jacks 5 are formed in the fixing boxes 4, screws 6 are slidably connected in the jacks 5, lower magnets 7 are installed in the screws 6, rotary connecting rods 8 are fixedly connected to the right ends of the screws 6, supporting columns 9 are rotatably connected to the right ends of the rotary connecting rods 8, the supporting columns 9 are located in the jacks 5, supporting baffles 10 are fixedly connected to the right ends of the supporting columns 9, slots 11 are formed in the fixing boxes 4 in a chiseling manner, the slots 11 are located on the upper sides of the jacks 5, upper magnets 12 are slidably connected in the slots 11, the upper magnets 12 and the lower magnets 7 attract each other, a pressing plate 13 is fixedly connected to the right ends of the upper magnets 12, and pull rods 14 are fixedly connected to the upper ends of the upper magnets 12, the two ends of the fixing box 4 are connected with fixing bolts 15 through threads.

Please refer to fig. 2, the left end of the screw 6 is fixedly connected with a manual rotating rod, through the rotating rod, the screw 6 can be conveniently rotated by the operator without tools, the rubber protection pad is fixedly connected to the right end of the supporting baffle 10, through the rubber protection pad, the supporting baffle 10 can be more closely contacted with the valve seat 1, meanwhile, the abrasion of the device is reduced, the upper end of the pull rod 14 is fixedly connected with a pull ring 1401, through the pull ring 1401, the pull rod 14 can be more laborsaving, the rubber protection pad is fixedly connected to the lower end of the pressing plate 13, through the rubber protection pad, the abrasion generated when the valve seat 1 and the pressing plate 13 are laterally deviated can be reduced, and the service life is prolonged.

Referring to fig. 3, the outer end of the supporting column 9 is rotatably connected with two balls 901, the balls 901 contact with the inner wall of the insertion hole 5, and the balls 901 are arranged, so that the friction between the supporting column 9 and the insertion hole 5 can be reduced, and the sliding of the supporting column 9 is more labor-saving.

When an operator uses the ball valve installing device, when the ball valve installing device needs to be installed, firstly, the expansion screw 3 is used for preliminarily fixing the valve seat 1, secondly, the expansion screw 3 is fixedly connected to the upper end of the opposite side through the fixing bolt 15, thirdly, the screw 6 is rotated to move towards the right side so as to push the supporting column 9 to be abutted to the valve seat 1, and fourthly, the pressing plate 13 is driven to slide downwards to clamp the valve seat 1 through suction force generated by the lower magnet 7 to the upper magnet 12 so as to complete the installing work.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a ball valve disk seat that is difficult for squinting, includes disk seat (1), its characterized in that: the ball valve is characterized in that the upper end of the valve seat (1) is fixedly connected with a ball valve (2), the upper end of the valve seat (1) is in threaded connection with two expansion screws (3), the expansion screws (3) are positioned outside the ball valve (2), the two sides of the valve seat (1) are provided with fixed boxes (4), jacks (5) are formed in the fixed boxes (4), screws (6) are connected in the jacks (5) in a sliding manner, lower magnets (7) are arranged in the screws (6), the right end of each screw (6) is fixedly connected with a rotary connecting rod (8), the right end of each rotary connecting rod (8) is rotatably connected with a supporting column (9), the supporting columns (9) are positioned in the jacks (5), the right end of each supporting column (9) is fixedly connected with a supporting baffle (10), slots (11) are formed in the fixed boxes (4), and the slots (11) are positioned on the upper sides of the jacks (5), the magnet fixing box is characterized in that an upper magnet (12) is connected to the slot (11) in a sliding mode, the upper magnet (12) and the lower magnet (7) attract each other, a pressing plate (13) is fixedly connected to the right end of the upper magnet (12), a pull rod (14) is fixedly connected to the upper end of the upper magnet (12), and fixing bolts (15) are connected to the two ends of the fixing box (4) in a threaded mode.

2. A non-shifting ball valve seat according to claim 1, wherein: and the left end of the screw (6) is fixedly connected with a manual rotating rod.

3. A non-shifting ball valve seat according to claim 1, wherein: the outer end of the supporting column (9) is rotatably connected with two balls (901), and the balls (901) are in contact with the inner wall of the jack (5).

4. A non-shifting ball valve seat according to claim 1, wherein: the right end of the supporting baffle (10) is fixedly connected with a rubber protection pad.

5. A non-shifting ball valve seat according to claim 1, wherein: the upper end of the pull rod (14) is fixedly connected with a pull ring (1401).

6. A non-shifting ball valve seat according to claim 1, wherein: the lower end of the pressure plate (13) is fixedly connected with a rubber protection pad.