CN2411391Y

CN2411391Y - Ceramic wafer with self-protection function

Info

Publication number: CN2411391Y
Application number: CN 99243676
Authority: CN
Inventors: 张腾广
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-01-08
Filing date: 1999-08-26
Publication date: 2000-12-20
Anticipated expiration: 2009-08-26

Abstract

The utility model discloses a novel ceramic sealing sheet which is used for core parts of valves and water taps. The utility model is characterized in that an axle hole is arranged on the central part in a single way, and drawing holes in a specific shape are arranged on the lateral surface of middle ceramic sheets. Furthermore, a plurality of through holes which are not intersected with axle lines are arranged in an axial direction according to a certain regulation, and the contact position of the sheets has the advantages of reasonable shape and high smoothness degree. The utility model is provided with three ceramic sheets which have the same diameter and different structures, and the ceramic sheets can be combined with a plurality of modes. The utility model is applied widely and can be matched with a valve with long-term efficiency and wide application and water taps, wherein, the valve with long-term efficiency and wide application and the water taps are tested successfully by writers not long before and applied for patent. The utility model has the advantages of good tightness, facility operation and high durability, especially self-protection, and besides, the utility model can be widely used in the fields of water, petroleum, chemical engineering, fuel gas, etc.

Description

Ceramic seal gasket with self-protection function

The utility model discloses a kind of ceramic seal gasket that is used for core part one uniqueness of valve, water tap.

It is a breakthrough that high-tech ceramic seal gasket is used to control fluid, but owing to be subjected to the restriction of existing valve, the requisite handle hole of water tap and axle sealing mechanism, far fails to bring into play the advantage of ceramic plate sealing.For solving this difficult problem, not long ago the author had tested successfully does not have said mechanism, excellent performance, cheap long-acting extensively with valve and water tap, causes many-sided attention after the release.But used ceramic plate is commercially available not competent, and this does not only match on the structure, and prior art comes with some shortcomings, as sealing have much room for improvement, operate still inconvenient, ceramics is fragile, particularly a valve body wearing and tearing difficult problem fails to solve always.

The purpose of this utility model provides a kind of new ceramics sheet, and its good airproof performance, operation are lighter and handier, the valve body that particularly do not wear and tear, have " self-protection " function, can be long-acting extensively fine supporting with valve and water tap with the author's patent.

The utility model is achieved in that described ceramic seal gasket is oblate cylindricality, have several and the disjoint through hole of axis according to certain rules along axial direction, contacting point degree of finish is very high between sheet and sheet, can claim " flour milling ", it is characterized in that: middle dynamic porcelain piece (1) is two flour millings, its notable attribute is that shaft through-hole (2) is solely established at the center, and the dial hole (3) that open the side is rectangle or runway shape, and dial hole size vertically is bigger; The stable ceramic piece on dynamic porcelain piece both sides can have two kinds of structures, and the one, the outside is provided with the ceramics (6) of lug (5), and it is single flour milling, and flour milling one side is provided with the axis hole (7) that is not through hole; Another kind of structure is porcelain ring (8), single flour milling, and the center also is provided with the axis hole (7) that is not through hole, will encircle with the center by connection rib (9) to be connected; Above-mentioned ceramics can rearrange according to different modes, all is ceramics (6) as both sides, Yi Bian perhaps be ceramics (6), another side is porcelain ring (8); It also can only be made up of two ceramics (6), and in the case, ceramics can not established axis hole (supporting with another patent of invention " simple structure ceramic seal water tap " of the author).

Above-mentioned new ceramics sheet can be realized the purpose of this utility model, is described further below in conjunction with accompanying drawing:

Fig. 1 is the schematic representation of via count on the ceramics of the present invention.

Fig. 2 is the different shape schematic representation of through hole of the present invention.

Fig. 3 is the structural drawing of dynamic porcelain piece in the middle of the present invention.

Fig. 4 is the ceramics structural drawing that the present invention has positive stop lug boss.

Fig. 5 is the structural drawing of porcelain ring of the present invention.

Fig. 6 is the composition mode and the switch schematic representation of ceramics of the present invention.

The utility model is solely established axis hole (2 at the ceramics center, 7), load onto rotating shaft (10), this seems simple, but be one " inspiration " through ruminating over, when having no way, producing suddenly, it fundamentally has solved the difficult problem of ceramics wearing and tearing valve bodies, makes the life-span of valve, water tap identical with the life-span of ceramic plate in the world first and (has prolonged tens times than prior art! ).It also is an original creation that there are special dial hole of shape or tesserae in middle ceramics side, and it can protect ceramics effectively.Dial hole except that above-mentioned described, also screw, square hole or circular hole; Its tesserae (4) is the material of good toughness, as metal inlaying, nylon etc.

Via count on the ceramics, 1 or 2,3,4 or 6, their pairing switch maximum rotation angles are respectively 180,90,60,45,30; It can be square, fan-shaped, circular and other shape that the shape of through hole is complied with actual.

Described flour milling all has an annulus that external diameter is identical with cylinder, also encircling a closed loop around each through hole, annulus and each closed loop are on same plane, remaining part can recessed 0.1-0.5mm, specifically, as the most frequently used two fan-shaped pylones are arranged, its flour milling optimum shape is " ", this structure makes its good airproof performance, operates lighter and handier.

The through hole of non-flour milling one side of described ceramics (6) removes large circle, and all the other answer chamfering, to increase via area.Ceramics is that high-intensity industrial ceramics (as contains 95%Al ₂O ₃); Flour milling is through special grinding, and surface roughness exists Between choose.

Claims

1, a kind of ceramic seal gasket that is used for valve, water tap with self-protection function, be oblate cylindricality, have several and the disjoint through hole of axis according to certain rules along axial direction, contacting point degree of finish is very high between sheet and sheet, claim " flour milling ", its notable feature is: middle dynamic porcelain piece (1) is two flour millings, and axis hole (2) is solely established at its center, in rotating shaft is housed; The dial hole that open the dynamic porcelain piece side (3) is rectangle or runway shape, and these dial holes are distinguished to be: size vertically is than big with axially vertical size; The dynamic porcelain piece both sides are stable ceramic pieces, are single flour millings, and two kinds of structures can be arranged, the one, and the outside is provided with the ceramics (6) of lug (5), and flour milling one side is provided with the axis hole (7) that is not through hole; Another kind of structure is porcelain ring (8), and the center also is provided with the axis hole (7) that is not through hole; Above-mentioned ceramics can rearrange according to different modes, all is ceramics (6) as both sides, Yi Bian perhaps be ceramics (6), another side is porcelain ring (8); It also can only be made up of two ceramics (6).

2, ceramic plate according to claim 1 is characterized in that: 1 or 2,3,4 or 6 of the via count on the ceramics, and their pairing switch maximum rotation angles are respectively 180,90,60,45,30; It can be square, fan-shaped, circular and other shape that the shape of through hole is complied with actual.

3, ceramic plate according to claim 1 is characterized in that: the dial hole of middle ceramics (3), except that above-mentioned described, also screw, square hole or circular hole; Dial hole also can be opened on tesserae (4), and its tesserae is the material of good toughness, as metal inlaying, nylon etc.

4, ceramic plate according to claim 1, it is characterized in that: described flour milling all has an annulus that external diameter is identical with cylinder, also encircling a closed loop around each through hole, annulus and each closed loop are on same plane, remaining part can recessed 0.1-0.5mm, specifically, as the most frequently used two fan-shaped pylones are arranged, its flour milling optimum shape is " ".

5, ceramic plate according to claim 1 is characterized in that: the through hole of non-flour milling one side of described ceramics (6), remove the large circle relative section, and all the other answer chamfering, to increase via area.

6, ceramic plate according to claim 1 is characterized in that: described ceramics is that high-intensity industrial ceramics (as contains 95%Al ₂O ₃); Flour milling is through special grinding, and surface roughness exists

Between choose.