CN212226041U

CN212226041U - Elastic ceramic gate valve

Info

Publication number: CN212226041U
Application number: CN202021602304.2U
Authority: CN
Inventors: 衡步俊
Original assignee: Jiangsu Yutong Speical Pipe Industry Co ltd
Current assignee: Jiangsu Yutong Speical Pipe Industry Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-12-25
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses an elasticity ceramic gate valve relates to gate valve technical field, which comprises a valve body, the valve pocket has been seted up to the inside of valve body, the left side fixedly connected with ceramic seal circle of valve pocket, the first sloping block of right side fixedly connected with of valve pocket, the inside of valve pocket is provided with the telescopic link, the telescopic link includes outer post and inner prop, the left end fixedly connected with valve plate of inner prop, the left side fixedly connected with ceramic seal plate of valve plate, the right-hand member fixedly connected with second sloping block of outer post, the external screw thread has been seted up to the surface of outer post, the surface cover of outer post is equipped with a screw thread section of thick bamboo, the left end fixedly connected with ring of a screw thread section of thick bamboo, the left end surface cover of inner. The utility model discloses a cooperation of a screw thread section of thick bamboo and external screw thread makes the left ring of a screw thread section of thick bamboo remove left and exert pressure to the spring to make the sealed effect of this gate valve better, prevent to leak, improve life.

Description

Elastic ceramic gate valve

Technical Field

The utility model relates to a gate valve technical field specifically is an elastic ceramic gate valve.

Background

The gate valve is a valve with a valve plate driven by a valve rod to lift or move left and right, the valve plate of the gate valve can be driven by electric, pneumatic, hydraulic, manual and other modes to open or cut off fluid, and the flexible gate plate consisting of the valve plate, a valve plate seat, a ceramic sealing ring and a spring solves the problem that the ceramic sealing ring is cracked or blocked due to hard extrusion of the sealing of the gate plate and the valve body under high temperature and high pressure. However, as the service life of the gate increases, the elastic force of the spring gradually decreases, which is likely to cause poor sealing between the gate and the valve body, and thus water leakage of the valve body.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an elastic ceramic gate valve has solved the current flashboard that proposes in the above-mentioned background art along with the increase of live time, and the elasticity of spring reduces gradually, causes the sealed not tight between flashboard and the valve body easily, leads to the problem that the valve body leaked.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides an elastic ceramic gate valve, includes the valve body, the valve pocket has been seted up to the inside of valve body, the left side fixedly connected with ceramic seal circle of valve pocket, the first sloping block of right side fixedly connected with of valve pocket, the inside of valve pocket is provided with the telescopic link, the telescopic link includes outer post and inner prop, the left end fixedly connected with valve plate of inner prop, the left side fixedly connected with ceramic seal board of valve plate, the right-hand member fixedly connected with second sloping block of outer post, the external screw thread has been seted up to the surface of outer post, the surface cover of outer post is equipped with a screw thread section of thick bamboo, the left end fixedly connected with ring of a screw thread section of thick bamboo, the left end surface.

Furthermore, the right side of the ceramic sealing ring is flush with the left side of the valve cavity, and the right side of the ceramic sealing ring is in contact with the left side of the ceramic sealing plate.

Further, first sloping block is from up diminishing down gradually, the second sloping block is from up diminishing down gradually, the left side of first sloping block contacts with the right side of second sloping block.

Further, the external thread is located the left end of outer post, external thread and screw thread section of thick bamboo threaded connection.

Further, the inner diameter of the circular ring is larger than the outer diameter of the inner column, and the diameter of the circular ring is larger than that of the spring.

Furthermore, one end of the spring is fixedly connected with the right side of the valve plate, and the other end of the spring is in contact with the left side of the circular ring.

(III) advantageous effects

The utility model provides an elastic ceramic gate valve possesses following beneficial effect:

(1) this elasticity ceramic gate valve through the cooperation of screw thread section of thick bamboo and external screw thread, makes the left ring of screw thread section of thick bamboo remove left and exert pressure to the spring to make the sealed effect of this gate valve better, prevent to leak, improve life.

(2) This elasticity ceramic gate valve, exert pressure to the valve plate through the spring, make the sealed face atress of ceramic seal board and ceramic seal circle even, remedied the ceramic gate valve and leaned on compressing tightly the sloping block and exert pressure, cause sealed face atress uneven, easy damaged defect.

Drawings

FIG. 1 is a schematic view of the internal structure of the elastic ceramic gate valve of the present invention;

FIG. 2 is a schematic view of the elastic ceramic gate valve according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the elastic ceramic gate valve of the present invention.

In the figure: 1. a valve body; 2. a valve cavity; 3. a ceramic seal ring; 4. a first swash block; 5. an outer column; 6. an inner column; 7. a valve plate; 8. a ceramic sealing plate; 9. a second swash block; 10. an external thread; 11. a threaded barrel; 12. a circular ring; 13. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1-3, the present invention provides a technical solution:

an elastic ceramic gate valve comprises a valve body 1, a valve cavity 2 is arranged in the valve body 1, a ceramic sealing ring 3 is fixedly connected to the left side of the valve cavity 2, the right side of the ceramic sealing ring 3 is flush with the left side of the valve cavity 2, the right side of the ceramic sealing ring 3 is in contact with the left side of a ceramic sealing plate 8, a first inclined block 4 is fixedly connected to the right side of the valve cavity 2, the first inclined block 4 gradually decreases from bottom to top, a telescopic rod is arranged in the valve cavity 2 and comprises an outer column 5 and an inner column 6, a through hole is formed in the left end of the outer column 5, the right end of the inner column 6 is located in the through hole, the outer surface of the right end of the inner column 6 is in contact with the inner wall of the outer column 5, a transmission system is arranged on the upper surface of the outer column 5, a valve plate 7 is fixedly connected to the left end of the inner column 6, the ceramic sealing plate 8 is fixedly connected, the left side of the first inclined block 4 is contacted with the right side of the second inclined block 9, the outer surface of the outer column 5 is provided with an external thread 10, the external thread 10 is positioned at the left end of the outer column 5, the external thread 10 is in threaded connection with a threaded cylinder 11, the outer surface of the outer column 5 is sleeved with the threaded cylinder 11, by the matching of the screw cylinder 11 and the external screw thread 10, the ring 12 at the left side of the screw cylinder 11 moves leftwards and presses the spring 13, thereby the sealing effect of the gate valve is better, water leakage is prevented, the service life is prolonged, the left end of the screw thread cylinder 11 is fixedly connected with a circular ring 12, the inner diameter of the circular ring 12 is larger than the outer diameter of the inner column 6, the circular ring 12 is larger than the diameter of a spring 13, the outer surface of the left end of the inner column 6 is sleeved with the spring 13, one end of the spring 13 is fixedly connected with the right side of the valve plate 7, the other end of the spring 13 is contacted with the left side of the circular ring 12, the pressure is applied to the valve plate 7 through the spring 13, so that the sealing surfaces of the ceramic sealing plate 8 and the ceramic sealing ring 3 are stressed uniformly.

The theory of operation, this elasticity ceramic gate valve, the valve rod drives the 5 removals of outer post, second sloping block 9 and the contact of first sloping block 4 through the 5 right-hand members of outer post, make outer post 5 drive the screw thread section of thick bamboo 11 removal of surface, thereby make the screw thread section of thick bamboo 11 drive ring 12 compression spring 13, exert pressure to the left ceramic seal board 8 of valve plate 7, make valve body 1 keep sealed effect through ceramic seal board 8 and the contact of ceramic seal 3, there is long-time use, spring 13 can reduce gradually the pressure of valve plate 7, only need rotate screw thread section of thick bamboo 11 this moment, cooperation through screw thread section of thick bamboo 11 and external screw thread 10, make the left ring 12 of screw thread section of thick bamboo 11 remove left and exert pressure to spring 13, thereby make the sealed effect of this gate valve better, prevent to leak, and prolong service life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An elastic ceramic gate valve comprises a valve body (1) and is characterized in that a valve cavity (2) is formed in the valve body (1), a ceramic sealing ring (3) is fixedly connected to the left side of the valve cavity (2), a first inclined block (4) is fixedly connected to the right side of the valve cavity (2), a telescopic rod is arranged in the valve cavity (2) and comprises an outer column (5) and an inner column (6), a valve plate (7) is fixedly connected to the left side of the inner column (6), a ceramic sealing plate (8) is fixedly connected to the left side of the valve plate (7), a second inclined block (9) is fixedly connected to the right end of the outer column (5), external threads (10) are formed in the outer surface of the outer column (5), a threaded cylinder (11) is sleeved on the outer surface of the outer column (5), and a circular ring (12) is fixedly connected to the left side of the threaded cylinder (, the outer surface of the left end of the inner column (6) is sleeved with a spring (13).

2. The elastic ceramic gate valve according to claim 1,

the right side of the ceramic sealing ring (3) is flush with the left side of the valve cavity (2), and the right side of the ceramic sealing ring (3) is in contact with the left side of the ceramic sealing plate (8).

3. The elastic ceramic gate valve according to claim 1,

first sloping block (4) are from up diminishing down gradually, second sloping block (9) are from up diminishing down gradually, the left side of first sloping block (4) contacts with the right side of second sloping block (9).

4. The elastic ceramic gate valve according to claim 1,

the external thread (10) is positioned at the left end of the outer column (5), and the external thread (10) is in threaded connection with the threaded cylinder (11).

5. The elastic ceramic gate valve according to claim 1,

the inner diameter of the circular ring (12) is larger than the outer diameter of the inner column (6), and the diameter of the circular ring (12) is larger than that of the spring (13).

6. The elastic ceramic gate valve according to claim 1,

one end of the spring (13) is fixedly connected with the right side of the valve plate (7), and the other end of the spring (13) is in contact with the left side of the circular ring (12).