CN209725265U - A kind of ceramic gate valve - Google Patents

Abstract

The utility model discloses a kind of ceramic gate valves, more particularly to valve field, including valve body, the interior forward end of the valve body is provided with sealing surface, being internally located at below sealing surface for the valve body is provided with flashboard, and the side of the valve body is fixedly installed with several fixing bolts.The utility model passes through setting sealing ring, cylinder, flashboard and sealing surface, when ceramic gate valve uses, cylinder will start promotion push rod, one end of push rod is connect with flashboard, flashboard is pushed by push rod, enter the sealing plate of flashboard one end in the sealing surface of valve body, sealing surface inner wall is provided with sealing ring, sealing ring is o type structure, sealing plate is ceramic material, sealing plate can be sealed in embedding sealing circle, in sealing, sealing plate can squeeze outward sealing ring, the gap in outside is filled, increase the air-tightness of ceramic gate valve, and sealing ring is flexible material, abrasion of the sealing plate to sealing ring can be reduced, ceramic gate valve is avoided to leak air phenomenon.

Description

A kind of ceramic gate valve

Technical field

The utility model relates to valve fields, more specifically, originally practical to be related to a kind of ceramic gate valve.

Background technique

Gate valve currently on the market is divided into soft sealing gate valve and metal hard-sealing gate valve, and wherein soft sealing gate valve uses The sealing ring of non-metallic material is set on valve seat, is cooperated by sealing ring and flashboard, to realize sealing.

The patent of patent application publication CN204900896U discloses ceramic gate valve, and valve body is not easy by fluid media (medium) corruption Erosion, and while guaranteeing valve seat, flashboard rigidity matrix strength, and make the erosion of its surface corrosion-resistant, wear-resistant, non-breakable, extension Valve service life valve.

But it is in actual use, as all only hard sealing, this sealing structure are easy to make the ceramic gate valve overwhelming majority At abrasion, so that ceramic gate valve be made to start a leak, cause leakproofness insufficient.

Utility model content

In order to overcome the drawbacks described above of the prior art, the embodiments of the present invention provide a kind of ceramic gate valve, by setting Sealing ring, cylinder, flashboard and sealing surface are set, in ceramic gate valve in use, cylinder will start promotion push rod, one end of push rod and lock Plate connection pushes flashboard by push rod, enters the sealing plate of flashboard one end in the sealing surface of valve body, sealing surface inner wall is provided with Sealing ring, sealing ring are o type structure, and sealing plate is ceramic material, and sealing plate can be sealed in embedding sealing circle, seal When, sealing plate can squeeze outward sealing ring, and the gap in outside is filled, the air-tightness of ceramic gate valve is increased, and And sealing ring is flexible material, it is possible to reduce abrasion of the sealing plate to sealing ring avoids ceramic gate valve from leaking air phenomenon.

To achieve the above object, the utility model provides the following technical solutions: a kind of ceramic gate valve, including valve body, described The interior forward end of valve body is provided with sealing surface, and being internally located at below sealing surface for the valve body is provided with flashboard, the valve body Side be fixedly installed with several fixing bolts, one end of the flashboard is fixedly installed with push rod, and the side of the valve body is solid Dingan County is equipped with column, and one end of the column is fixedly installed with cylinder, and the front end of the valve body is fixedly installed with valve port, the valve The upper end outer surface of mouth offers fixation hole, and inner ring is fixedly installed on the inside of the valve port, is offered on the inside of the inner ring The inner wall of several card columns, the sealing surface is provided with sealing ring.

In a preferred embodiment, the quantity of the sealing surface is two, and the material of the sealing ring is soft Material, the shape of the sealing ring are o type structure.

In a preferred embodiment, the valve body is fixedly connected with column by fixing bolt, the flashboard One end is chimeric with push rod, and one end of the push rod is flexibly connected with cylinder.

In a preferred embodiment, the quantity of the fixation hole is several, several described fixation holes are in ring Shape arrangement.

In a preferred embodiment, the upper end of the flashboard is fixedly installed with sealing plate, and sealing plate shape is circle Shape, the sealing ring match with sealing plate.

In a preferred embodiment, the quantity of the card column is several, and the inner ring and valve port are welding, if The dry card column is arranged in a ring.

The technical effect and advantage of the utility model:

1, by being equipped with sealing ring, cylinder, flashboard and sealing surface, in ceramic gate valve in use, cylinder will start promotion pushes away One end of bar, push rod is connect with flashboard, pushes flashboard by push rod, the sealing plate of flashboard one end is made to enter the sealing surface of valve body Interior, sealing surface inner wall is provided with sealing ring, and sealing ring is o type structure, and sealing plate is ceramic material, and sealing plate can embedding sealing circle It is inside sealed, in sealing, sealing plate can squeeze outward sealing ring, and the gap in outside is filled, pottery is increased The air-tightness of porcelain gate valve, and sealing ring is flexible material, it is possible to reduce and abrasion of the sealing plate to sealing ring realizes that hard sealing adds Soft seal increases the durability of ceramic gate valve；

2, it by being equipped with valve port, inner ring, card column and fixation hole, before being attached to ceramic gate valve and water pipe, needs pair The bottom end of water pipe opens up corresponding card slot, can be first by water pipe card slot edge when by installing to ceramic gate valve and water pipe The card column insertion in inner ring, water pipe is limited, after water pipe is inserted into inner ring, through-hole and fixation hole on water pipe just into Row contraposition, is put into bolt convenient for people and is fixed, and during bolt is fixed, card column can carry out water pipe Limit avoids the occurrence of the water pipe when twisting bolt and deviates, while avoiding by manually assisting in side, has saved more Labour；

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model entirety.

Fig. 2 is the cross-sectional view of the utility model entirety.

Fig. 3 is the structural schematic diagram of the utility model valve port.

Fig. 4 is the schematic internal view of the utility model valve port.

Appended drawing reference are as follows: 1 valve body, 2 sealing surfaces, 3 flashboards, 4 fixing bolts, 5 push rods, 6 columns, 7 cylinders, 8 valve ports, 9 are consolidated Determine hole, 10 inner ring, 11 card columns, 12 sealing rings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of ceramic gate valve as shown in Figs 1-4, including valve body 1, before the inside of the valve body 1 End is provided with sealing surface 2, and the lower section for being internally located at sealing surface 2 of the valve body 1 is provided with flashboard 3, and the side of the valve body 1 is solid Dingan County is equipped with several fixing bolts 4, and one end of the flashboard 3 is fixedly installed with push rod 5, the fixed peace in the side of the valve body 1 Equipped with column 6, one end of the column 6 is fixedly installed with cylinder 7, and the front end of the valve body 1 is fixedly installed with valve port 8, described The upper end outer surface of valve port 8 offers fixation hole 9, and the inside of the valve port 8 is fixedly installed with inner ring 10, the inner ring 10 it is interior Side offers several card columns 11, and the inner wall of the sealing surface 2 is provided with sealing ring 12.

Further, the quantity of the sealing surface 2 is two, and the material of the sealing ring 12 is flexible material, described close The shape of seal 12 is o type structure, it is possible to reduce abrasion of the sealing plate to sealing ring 12 is realized hard sealing plus soft seal, increased The durability of ceramic gate valve；

Further, the valve body 1 is fixedly connected with column 6 by fixing bolt 4, one end of the flashboard 3 and push rod 5 Chimeric, one end of the push rod 5 is flexibly connected with cylinder 7, in ceramic gate valve in use, cylinder 7, which will start, pushes push rod 5, is pushed away One end of bar 5 is connect with flashboard 3, pushes flashboard 3 by push rod 5, the sealing plate of 3 one end of flashboard is made to enter the sealing surface 2 of valve body 1 It is interior；

Further, the quantity of the fixation hole 9 is several, several described fixation holes 9 are arranged in a ring, work as water pipe After being inserted into inner ring 10, the through-hole on water pipe is just aligned with fixation hole 9, is put into bolt convenient for people and is fixed；

Further, the upper end of the flashboard 3 is fixedly installed with sealing plate, and sealing plate shape is circle, the sealing ring 12 match with sealing plate, and in sealing, sealing plate can squeeze outward sealing ring 12, and the gap in outside is filled, Increase the air-tightness of ceramic gate valve；

Further, the quantity of the card column 11 is several, and the inner ring 10 is welding with valve port 8, described in several Card column 11 is arranged in a ring, and during bolt is fixed, card column 11 can limit water pipe, avoids the occurrence of and is twisting Water pipe deviates when bolt.

Utility model works principle:

Referring to Figure of description 1-2, in ceramic gate valve in use, cylinder 7, which will start, pushes push rod 5, one end of push rod 5 with Flashboard 3 connects, and pushes flashboard 3 by push rod 5, enters the sealing plate of 3 one end of flashboard in the sealing surface 2 of valve body 1, sealing surface 2 Inner wall is provided with sealing ring 12, and sealing ring 12 is o type structure, and sealing plate is ceramic material, and sealing plate is understood in embedding sealing circle 12 It is sealed, in sealing, sealing plate can squeeze outward sealing ring 12, and the gap in outside is filled, pottery is increased The air-tightness of porcelain gate valve, and sealing ring 12 is flexible material, it is possible to reduce and abrasion of the sealing plate to sealing ring 12 is realized hard close Envelope plus soft seal, increase the durability of ceramic gate valve；

It needs to open up phase to the bottom end of water pipe before being attached ceramic gate valve and water pipe referring to Figure of description 3-4 The card slot answered can be first by water pipe card slot along the card column in inner ring 10 when by installing to ceramic gate valve and water pipe 11 insertions, limit water pipe, and after water pipe is inserted into inner ring 10, the through-hole on water pipe is just aligned with fixation hole 9, just It is put into bolt in people to be fixed, and during bolt is fixed, card column 11 can limit water pipe, keep away Water pipe deviates when exempting to appear in stubborn bolt, while avoiding by manually assisting in side, has saved more labour.

The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when The absolute position for being described object changes, then relative positional relationship may change；

Secondly: the utility model discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, His structure, which can refer to, to be commonly designed, and under not conflict situations, the utility model the same embodiment and different embodiments can be mutual Combination；

Last: the above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical Within novel protection scope.

Claims (6)

1. a kind of ceramic gate valve, including valve body (1), it is characterised in that: the interior forward end of the valve body (1) is provided with sealing surface (2), being internally located at below sealing surface (2) for the valve body (1) is provided with flashboard (3), the fixed peace in the side of the valve body (1) Equipped with several fixing bolts (4), one end of the flashboard (3) is fixedly installed with push rod (5), and the side of the valve body (1) is solid Dingan County is equipped with column (6), and one end of the column (6) is fixedly installed with cylinder (7), and the front end of the valve body (1) is fixedly mounted Have valve port (8), the upper end outer surface of the valve port (8) offers fixation hole (9), is fixedly installed on the inside of the valve port (8) Inner ring (10) offers several card columns (11) on the inside of the inner ring (10), and the inner wall of the sealing surface (2) is provided with sealing It encloses (12).

2. a kind of ceramic gate valve according to claim 1, it is characterised in that: the quantity of the sealing surface (2) is two, institute The material for stating sealing ring (12) is flexible material, and the shape of the sealing ring (12) is o type structure.

3. a kind of ceramic gate valve according to claim 1, it is characterised in that: the valve body (1) and column (6) pass through fixation Bolt (4) is fixedly connected, and one end of the flashboard (3) is chimeric with push rod (5), one end of the push rod (5) and cylinder (7) activity Connection.

4. a kind of ceramic gate valve according to claim 1, it is characterised in that: the quantity of the fixation hole (9) is several, Several described fixation holes (9) are arranged in a ring.

5. a kind of ceramic gate valve according to claim 1, it is characterised in that: the upper end of the flashboard (3) is fixedly installed with Sealing plate, sealing plate shape is circle, and the sealing ring (12) matches with sealing plate.

6. a kind of ceramic gate valve according to claim 1, it is characterised in that: the quantity of the card column (11) is several, The inner ring (10) and valve port (8) are welding, several described card columns (11) are arranged in a ring.