CN219623265U

CN219623265U - Novel ceramic butterfly valve

Info

Publication number: CN219623265U
Application number: CN202320558554.8U
Authority: CN
Inventors: 谢宗华; 陈忠丽
Original assignee: Qingdao Fatian Control Instrument Co ltd
Current assignee: Qingdao Fatian Control Instrument Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-01
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a novel ceramic butterfly valve which comprises a valve body comprising a turbine drive, a hand wheel, a fixed plate, a butterfly plate, a bolt seat and the like, wherein the bolt seat is fixedly arranged on one side of the butterfly plate, and is connected with the turbine drive through a screw rod, and the butterfly plate is arranged on the fixed plate. According to the utility model, through flowing water and a part of impurities in the water can enter a plurality of first passage holes on one side of the ceramic sealing ring, the pressure of the water and the impurities in the water can be reduced by the composition of the plurality of first passage holes, so that the impact on the ceramic sealing ring is reduced, and the service life of the ceramic sealing ring is prolonged.

Description

Novel ceramic butterfly valve

Technical Field

The utility model relates to a ceramic butterfly valve, in particular to a novel ceramic butterfly valve.

Background

The ceramic butterfly valve is also called a ceramic flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media. The ceramic butterfly valve adopts structural ceramics as a sealing pair, has excellent corrosion resistance, high temperature resistance, abrasion resistance and erosion resistance, can completely replace a butterfly valve manufactured by using precious metals, has the service life which is equivalent to or even longer than that of a butterfly valve manufactured by using the precious metals, and greatly improves the conditions that the sealing pair of the butterfly valve is easy to damage under severe working conditions and the service life cannot meet the requirement of a system maintenance period.

According to the 'abrasion-resistant ceramic butterfly valve special for seawater' disclosed in Chinese patent application No. CN202021280580.1, the abrasion-resistant ceramic butterfly valve is structurally characterized in that a valve body is fixedly arranged in the valve body, a curved surface bonding strip is fixedly arranged on the inner wall of the inner ceramic sealing ring, a worm wheel drive is fixedly arranged at the top of the valve body, a hand wheel is fixedly arranged at the left end of the worm wheel drive, and a butterfly plate is arranged in the valve body. This special wear-resisting ceramic butterfly valve of sea water, through the contact of the curved surface joint strip in the interior ceramic seal ring with preceding ceramic seal ring and back ceramic seal ring, the area of contact of ceramic seal ring with interior ceramic seal ring has been increased, the contact surface meets and has directly improved the sealing performance of valve, and when the valve is closed, when the valve received hydraulic pressure, curved surface joint strip and sealing washer contact, can provide extra holding power for the sealing washer, avoided receiving the influence of water pressure for a long time and lead to the valve rod damage not hard up, but still have not enough in the use, for example: when the butterfly plate is opened, the butterfly plate is easy to damage due to the impact of hard particles such as impurities and the like, so that the tightness of the butterfly valve is affected when the butterfly plate is closed. Therefore, we make improvements to this and propose a novel ceramic butterfly valve.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a novel ceramic butterfly valve, which comprises a valve body comprising a turbine drive, a hand wheel, a fixed plate, a butterfly plate, a bolt seat and the like, wherein the bolt seat is fixedly arranged on one side of the butterfly plate, the bolt seat is connected with the turbine drive through a screw, the butterfly plate is arranged on the fixed plate, a circular groove is formed in the fixed plate, a curved surface combining strip is arranged on the circular groove, a ceramic sealing ring is symmetrically clamped in an inner cavity of the valve body, a plurality of fixing mechanisms are arranged on the ceramic sealing ring, and a plurality of buffer mechanisms are arranged on the inner wall of the ceramic sealing ring.

As a preferable technical scheme of the utility model, the fixing mechanism comprises a screw hole, a slotted hole and a screw, wherein the screw hole is formed in one side of the fixing plate, the slotted hole is formed in the ceramic sealing ring, and the screw penetrates through the slotted hole and is in threaded connection with the screw hole.

As a preferred embodiment of the present utility model, the buffer mechanism includes a first passage hole and a second passage hole.

As a preferable technical scheme of the utility model, the first channel hole is formed on one side of the ceramic sealing ring, the second channel hole is formed on the inner wall of the ceramic sealing ring, and the first channel hole and the second channel hole are communicated.

The beneficial effects of the utility model are as follows:

1. this kind of novel ceramic butterfly valve, through flowing water and impurity part in the water can get into in the first access hole of a plurality of ceramic seal circle one side, the pressure of water and aquatic impurity can be alleviateed in the constitution of a plurality of first access hole to alleviate the striking to ceramic seal circle, thereby extension ceramic seal circle's life.

2. This kind of novel ceramic butterfly valve makes ceramic seal circle and fixed plate separation through rotating the screw to can take out ceramic seal circle and change.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of a novel ceramic butterfly valve of the present utility model;

FIG. 2 is a schematic diagram of the front plan view of a novel ceramic butterfly valve of the present utility model;

FIG. 3 is a schematic diagram of a ceramic seal ring structure of a novel ceramic butterfly valve;

FIG. 4 is a schematic view of a butterfly plate structure of a novel ceramic butterfly valve of the utility model.

In the figure: 1. a valve body; 2. a turbine drive; 3. a hand wheel; 4. a fixing plate; 5. a circular groove; 6. a curved surface bonding bar; 7. a butterfly plate; 8. a bolt seat; 9. a ceramic seal ring; 10. a fixing mechanism; 101. a screw hole; 102. a slot hole; 103. a screw; 11. a buffer mechanism; 111. a first passage hole; 112. and a second passage hole.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the novel ceramic butterfly valve comprises a valve body 1 which comprises a turbine drive 2, a hand wheel 3, a fixed plate 4, a butterfly plate 7, a bolt seat 8 and the like, wherein the bolt seat 8 is fixedly arranged on one side of the butterfly plate 7, the bolt seat 8 is connected with the turbine drive 2 through a screw, the butterfly plate 7 is arranged on the fixed plate 4, a circular groove 5 is formed in the fixed plate 4, a curved surface combining strip 6 is arranged on the circular groove 5, a ceramic sealing ring 9 is symmetrically clamped in an inner cavity of the valve body 1, a plurality of fixing mechanisms 10 are arranged on the ceramic sealing ring 9, and a plurality of buffer mechanisms 11 are arranged on the inner wall of the ceramic sealing ring 9.

The fixing mechanism 10 includes a screw hole 101, a slot 102, and a screw 103, the screw hole 101 is formed on one side of the fixing plate 4, the slot 102 is formed in the ceramic sealing ring 9, the screw 103 penetrates through the slot 102 and is in threaded connection with the screw hole 101, and the ceramic sealing ring 9 can be separated from the fixing plate 4 by rotating the screw 103, so that the ceramic sealing ring 9 can be taken out for replacement.

The buffer mechanism 11 includes a first channel hole 111 and a second channel hole 112, the first channel hole 111 is formed on one side of the ceramic sealing ring 9, the second channel hole 112 is formed on the inner wall of the ceramic sealing ring 9, the first channel hole 111 and the second channel hole 112 are communicated, flowing water and a part of impurities in the water can enter a plurality of first channel holes 111 on one side of the ceramic sealing ring 9, the pressure of the water and the impurities in the water can be reduced by the composition of the plurality of first channel holes 111, so that the impact on the ceramic sealing ring 9 is reduced, and the impurities can flow out from the second channel holes 112.

During operation, the turbine drive 2 drives the bolt seat 8 to open the butterfly plate 7 in the fixed plate 4 by twisting the hand wheel 3, water can flow from the valve body 1, flowing water and a part of impurities in the water can enter a plurality of first channel holes 111 on one side of the ceramic sealing ring 9, the impact force of the water on the ceramic sealing ring 9 during flowing can be relieved by the composition of the plurality of first channel holes 111, the impact on the ceramic sealing ring 9 is relieved, impurities can flow out from the second channel holes 112, the ceramic sealing ring 9 can be separated from the fixed plate 4 by rotating the screw 103, and the ceramic sealing ring 9 can be taken out for replacement.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a novel ceramic butterfly valve, includes valve body (1) that contains turbine drive (2), hand wheel (3), fixed plate (4), butterfly plate (7) and bolt seat (8) isotructure, bolt seat (8) fixed mounting is in one side of butterfly plate (7), and bolt seat (8) are connected through the screw rod with turbine drive (2), butterfly plate (7) are established on fixed plate (4), a serial communication port, circular slot (5) have been seted up on fixed plate (4), be equipped with curved surface joint strip (6) on circular slot (5), the inner chamber symmetry joint of valve body (1) has ceramic seal ring (9), be equipped with a plurality of fixed establishment (10) on ceramic seal ring (9), be equipped with a plurality of buffer gear (11) on the inner wall of ceramic seal ring (9).

2. The novel ceramic butterfly valve according to claim 1, wherein the fixing mechanism (10) comprises a screw hole (101), a slotted hole (102) and a screw (103), the screw hole (101) is formed in one side of the fixing plate (4), the slotted hole (102) is formed in the ceramic sealing ring (9), and the screw (103) penetrates through the slotted hole (102) to be in threaded connection with the screw hole (101).

3. A novel ceramic butterfly valve according to claim 1, wherein the buffer means (11) comprises a first passage hole (111) and a second passage hole (112).

4. A novel ceramic butterfly valve according to claim 3, wherein the first passage hole (111) is formed on one side of the ceramic seal ring (9), the second passage hole (112) is formed on the inner wall of the ceramic seal ring (9), and the first passage hole (111) and the second passage hole (112) are communicated.