CN216867565U

CN216867565U - External control sealing ball valve

Info

Publication number: CN216867565U
Application number: CN202123100862.6U
Authority: CN
Inventors: 孙凯峰
Original assignee: Taizhou Kimcheon Copper Ltd By Share Ltd
Current assignee: Taizhou Kimcheon Copper Ltd By Share Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-01
Anticipated expiration: 2031-12-10

Abstract

The utility model provides an external control sealing ball valve which comprises a valve shell, wherein a ball valve rotates in the valve shell, a base penetrating through the valve shell upwards is arranged on the outer peripheral side of the ball valve, a handle component is arranged on the end face, far away from the central line of the valve shell, of the base, and a water retaining component is arranged in the valve shell. According to the external control sealing ball valve, the handle which can rotate and rotate is arranged on the base, and the water baffle plate is opened and closed, so that the sealing ring is prevented from being exposed to contact with medium particles in water when the ball valve rotates.

Description

External control sealing ball valve

Technical Field

The utility model belongs to the field of sealing ball valves, and particularly relates to an external control sealing ball valve.

Background

The soft sealing ball valve has the function of rotating 90 degrees, the internal rotator is a ball body, generally, a round through hole or a channel passes through the axis of the ball body, the ball valve mainly cuts off and distributes the passing liquid through the rotating ball body in a pipeline, thereby changing the flowing direction of the medium, the soft sealing ball valve can be tightly closed only by rotating 90 degrees and a small rotating moment, the soft sealing ball valve is most suitable for being used as a switch and a cut-off valve, recent developments have designed ball valves to have throttling and flow control purposes, but existing soft seal ball valves, when closed, the ball valve rotates within a certain angle range, the sealing ring is exposed in the liquid, medium particles contained in the liquid are flushed to the inclined surface by the liquid, when the ball valve rotates, the ball valve drives the medium particles which are stopped and attached on the sealing ring to rotate to the inner wall of the water passing cavity, and the medium particles abrade the inner wall of the water passing cavity and the outer periphery of the ball valve.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the external control sealing ball valve for solving the existing water leakage phenomenon.

The utility model provides the following technical scheme in order to achieve the aim, the external control sealing ball valve comprises a valve shell, a ball valve is rotated in the valve shell, a base penetrating the valve shell upwards is arranged on the outer peripheral side of the ball valve, a handle assembly is arranged on the end face, far away from the central line of the valve shell, of the base, and a water retaining assembly is arranged in the valve shell;

the handle assembly comprises two supporting plates arranged on the upper end face of the base, an L-shaped block is arranged between the two supporting plates in a rotating mode and divided into a part parallel to the end face of the base and a part vertical to the end face of the base, a bearing is arranged in the vertical part of the L-shaped block, a hanging ring is arranged on the outer peripheral side of the bearing, the upper end of the vertical part of the L-shaped block is connected with a handle, and a spring is connected between one side, close to the end face of the base, of the parallel part of the L-shaped block and the end face of the base;

the water retaining component comprises a protruding block arranged on the annular inner wall of the valve casing, a water retaining plate is hinged to the center of the protruding block, a steel rope is connected between the arc-shaped surfaces of the hanging ring and the water retaining plate far away from the central line of the valve casing, and a balancing weight is fixed on the end face of the water retaining plate far away from the hinged position of the protruding block.

Optionally, be equipped with the water cavity that leads to that runs through whole valve casing in the valve casing, it has the sealing washer to lead to transition fit in the space that water cavity and ball valve enclose, sealing washer quantity is two, and is symmetrical about the central line of ball valve.

Optionally, the peripheral side surface of the ball valve is precisely matched with the water cavity, and the ball valve is coated with a high-temperature-resistant and corrosion-resistant coating.

Optionally, the annular array has bolt and nut through screw-thread fit on the valve housing surface, and bolt and nut quantity are individual.

Optionally, a sealing strip is arranged between the upper side of the central line of the base and the radial opening on the valve casing.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. through the setting of the tight ring of hanging on the bearing periphery side, keep hanging ring position static when the handle rotates, avoided ball valve switch closure in-process to lead to the breakwater manger plate effect poor, the effectual sealing washer of having solved contacts liquid medium granule problem at the ball valve switching.

2. Through the setting of connecting spring between one side that L type piece parallel portion is close to the base terminal surface and the base terminal surface, kick-back the breakwater through steel cable connection, avoided effectively having solved the stability problem of baffle subassembly because of the breakwater slope leads to liquid throughput to reduce in the sealed ball valve.

3. Through keeping away from the setting of fixed balancing weight on the terminal surface of breakwater and the articulated department of protruding piece, strain the steel cable, avoided because the too big sealed poor that leads to of fluid pressure at the sealed in-process of breakwater, effectively solved the ball valve and rotated the sealing washer contact liquid problem.

Drawings

Fig. 1 is a perspective view of the present invention.

FIG. 2 is a schematic structural view of A-A of the present invention.

FIG. 3 is a partial schematic view of C of FIG. 2 according to the present invention.

FIG. 4 is a partial schematic view of B of FIG. 1 according to the present invention.

10. A valve housing; 11. a balancing weight; 12. a base; 13. a water through cavity; 14. a handle; 17. a seal ring; 18. a ball valve; 20. a water baffle; 21. a raised block; 22. a spring; 23. an L-shaped block; 24. a bearing; 25. A support plate; 26. and (7) hanging a ring.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-4, an external control sealing ball valve includes a valve housing 10, a water cavity 13 penetrating through the whole valve housing 10 is arranged at the horizontal center line of the valve housing 10, a ball valve 18 is rotated at the center position of the water cavity 13, the ball valve 18 is symmetrical about the center line of the water cavity 13, the ball valve 18 penetrates through the whole ball valve 18 along the horizontal center line of the water cavity 13, a sealing ring 17 is transitionally fitted in a space enclosed by the water cavity 13 and the ball valve 18, the number of the sealing rings 17 is two, the radial center line of the ball valve 18 is symmetrical, a base 12 penetrating through the valve housing 10 and facing upwards is arranged on the outer peripheral side of the ball valve 18, a handle assembly is arranged on the end face of the base 12 far away from the center line of the valve housing 10, and a water retaining assembly is arranged on one side of the annular inner wall far away from the center line of the water cavity 13 in the water cavity 13.

The handle subassembly is including the fixed backup pad 25 that sets up at base 12 up end, the quantity of backup pad 25 is two, two backup pads are arranged about the central line symmetry of ball valve 18, it has L type piece 23 to rotate between the terminal surface that two backup pads 25 are close to the ball valve 18 central line, L type piece 23 divide into with base 12 terminal surface parallel portion and with base 12 terminal surface vertical part, the central line department of L type piece 23 vertical part is equipped with bearing 24, be equipped with on the bearing 24 periphery side and hang circle 26, L type piece 23 vertical part upper end is connected with handle 14, be connected with spring 22 between one side that L type piece 23 parallel portion is close to base 12 terminal surface and the base 12 terminal surface.

The water retaining component comprises a protruding block 21 arranged on the annular inner wall far away from the central line of the valve casing 10, the center of the protruding block 21 is hinged to a water retaining plate 20, the end face far away from the hinged position of the water retaining plate 20 and the protruding block 21 is provided with a fixed balancing weight 11, and a steel rope is connected between the hanging ring 26 and the arc-shaped face far away from the central line of the valve casing 10 of the water retaining plate 20.

The working principle is as follows:

when the sealing ball valve is used, the handle 14 of the control handle assembly rotates in a plane where the central line of the water cavity 13 is located, the handle rotates to drive the L-shaped block 23 to rotate, and in the rotating process of the L-shaped block 23, on one hand, the spring is pulled, and on the other hand, the rope is loosened;

when the rope is loosened, the tensile force applied to the water baffle by the rope disappears, the water baffle 20 rotates by taking the hinged part of the water baffle 20 and the bulge block 21 as an axis under the action of the balancing weight 11, the water baffle 20 isolates liquid by adhering the surface of the water passing cavity 13, at the moment, after the water baffle 20 is adhered to the water passing cavity 13, on one hand, one side of the water baffle 20 close to the central line of the ball valve 18 is in a liquid-free state, and one side of the water baffle 20 far away from the central line of the ball valve 18 is in a liquid-full state.

The steel rope connected to the arc surface of the water baffle 20 in the water baffle assembly is loosened, the counterweight block 11 fixed on the end surface of the water baffle 20 rotates for a certain angle by taking the hinged part of the water baffle 20 and the bulge 21 as an axis under the action of gravity, the water baffle 20 isolates liquid by adhering to the surface of the water passing cavity 13, and at the moment, the water passing cavity 13 is in a liquid-free state;

the handle 14 controls the L-shaped block 23 to rotate around the axis direction of the vertical part of the L-shaped block, at the moment, the handle 14 drives the base 12 to rotate around the axis of the base 12 through the two supporting plates 25, the base 12 drives the ball valve 18 to rotate around the axis of the base 12, the sealing ring 17 is gradually exposed when the ball valve rotates, and as no liquid exists in the water passing cavity 13, the inclined plane, exposed in the cavity, of the sealing ring 17, which is in contact with the ball valve 18, cannot be attached by medium particles, so that when the ball valve 18 rotates, the phenomenon that the existing ball valve 18 rotates to the inner wall of the water passing cavity with the medium particles attached to the sealing ring is avoided, the medium particles abrade the inner wall of the water passing cavity and the outer peripheral side of the ball valve, and the sealing performance of the sealing ball valve is guaranteed.

After the rotation is finished, the handle 14 is released, at the moment, under the rebounding action of the spring 22, the parallel part of the L-shaped block 23 is parallel to the end face of the base 12 again, the steel rope connected with the hanging ring 26 is tightened, the water baffle 20 connected with the other end of the steel rope rotates reversely around the hinged position with the protruding block 21 as an axis to gradually return to the original position, liquid enters the water passing cavity 13, then the handle 14 controls the L-shaped block 23 to rotate reversely around the axis of the vertical part of the L-shaped block 23, the L-shaped block 23 drives the bottom plate 12 to rotate reversely through the two supporting plates 25 hinged with the L-shaped block 23, the ball valve 18 rotates reversely for a certain angle, and the water passing cavity 13 is communicated to finish the whole process.

It is to be understood that the described embodiments are merely a few embodiments of the utility model and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. An external control sealing ball valve, which comprises a valve casing (10), and is characterized in that: a ball valve (18) rotates in the valve casing (10), a base (12) which penetrates through the valve casing (10) upwards is arranged on the outer peripheral side of the ball valve (18), a handle component is arranged on the end face, far away from the central line of the valve casing (10), of the base (12), and a water retaining component is arranged in the valve casing (10);

the handle assembly comprises two supporting plates (25) arranged on the upper end face of the base (12), an L-shaped block (23) is arranged between the two supporting plates (25) in a rotating mode, the L-shaped block (23) is divided into a part parallel to the end face of the base (12) and a part vertical to the end face of the base (12), a bearing (24) is arranged in the vertical part of the L-shaped block (23), a hanging ring (26) is arranged on the outer peripheral side of the bearing (24), the upper end of the vertical part of the L-shaped block (23) is connected with a handle (14), and a spring (22) is connected between one side, close to the end face of the base (12), of the parallel part of the L-shaped block (23) and the end face of the base (12);

the water retaining assembly is including setting up protruding piece (21) on valve casing (10) annular inner wall, protruding piece (21) center department articulates there is breakwater (20), hang circle (26) and breakwater (20) and keep away from being connected with the steel cable between the arcwall face of valve casing (10) central line, breakwater (20) are kept away from on the terminal surface of breakwater (20) and the articulated department of protruding piece (21) fixed balancing weight (11).

2. An externally controlled sealed ball valve according to claim 1, wherein: be injectd in valve casing (10) and lead to water chamber (13), it has sealing washer (17) to lead to transition fit in the space that water chamber (13) and ball valve (18) enclose, sealing washer (17) quantity is two.

3. An externally controlled sealed ball valve according to claim 2, wherein: the outer periphery of the ball valve (18) is precisely matched with the water through cavity (13), and a high-temperature-resistant and corrosion-resistant coating is coated on the outer periphery of the ball valve (18).

4. An externally controlled sealed ball valve according to claim 1, wherein: the annular array on the outer periphery side of the valve shell (10) is provided with at least two bolts, and each bolt is matched with a nut.

5. An externally controlled sealed ball valve according to claim 1, wherein: and a sealing strip is arranged between the upper side of the central line of the base (12) and the radial opening on the valve casing (10).