CN210461756U

CN210461756U - Ceramic chip valve core

Info

Publication number: CN210461756U
Application number: CN201920922559.8U
Authority: CN
Inventors: 黄长太; 吴永聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-05-05
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a simple structure, convenient to use can reduce potsherd case of valve block wearing and tearing, including the case shell, set up fluid passage in the case shell, the case shell is located be equipped with in the fluid passage and move valve block and quiet valve block, it laminates each other with quiet valve block to move the valve block, the rotation is provided with the commentaries on classics core in the casing, change the core with move the valve block linkage, quiet valve block with be equipped with first sealing washer between the case shell, the case shell is internal to be located quiet valve block below is equipped with and makes the tight piece that compresses tightly of first sealing washer clamp, the bottom of case shell is equipped with and can makes case shell and disk seat carry out sealing connection's sealing member, compress tightly the case ring seat for having the axial through-hole, case ring seat dismantled and assembled set up in the case shell.

Description

Ceramic chip valve core

Technical Field

The utility model relates to a case, in particular to potsherd case.

Background

In the prior art, as shown in fig. 6, a ceramic valve core includes a valve core housing 2 'installed in a valve core installation tube, a rotary core 1' is inserted in the valve core housing 2 ', a water outlet groove 8' is opened on a side surface of the valve core housing 2 ', a lower end of the rotary core 1' is clamped on a movable valve plate 3 'through a shifting fork, the movable valve plate 3' is attached to a static valve plate 4 ', the static valve plate 4' is fixedly installed in the valve core housing 2 ', a sealing gasket 6' is further installed below the static valve plate 4 ', two opposite water inlet through holes are opened on the static valve plate 4', the movable valve plate is provided with a water outlet through hole corresponding to the water inlet through hole, when in use, the valve core housing 2 'is installed in a faucet, the sealing gasket 6' at the bottom of the valve core housing 2 'is abutted to the valve seat 5' to achieve a sealing effect, the rotary core 1 'drives the movable valve plate 3' to rotate, so that the water inlet through hole on the static valve, thus realizing water passing, but the following defects are also existed when the water-passing device is used:

1. the ceramic valve core is connected with the valve core mounting pipe through the external thread, when the ceramic valve core and the valve core mounting pipe are screwed too tightly, a larger longitudinal extrusion force can be generated between the sealing gasket 6 ' and the valve seat 5 ', and the extrusion force is transmitted to the static valve plate 4 ' through the sealing gasket 6 ', so that the friction force between the static valve plate 4 ' and the dynamic valve plate 3 ' is too large, the screwing of the rotating core 1 ' is more laborious when the water valve is switched, and the adjustment is inconvenient;

2. when the ceramic valve core and the valve core mounting pipe are screwed too tightly, the friction force between the static valve plate 4 'and the dynamic valve plate 3' is too large, so that the abrasion between the valve plates is easily accelerated, the dripping phenomenon is generated, and the service life of the ceramic valve core is greatly shortened.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a simple structure, convenient to use can reduce the potsherd case of valve block wearing and tearing.

In order to achieve the technical problem, the utility model discloses the solution that takes is potsherd case, including the case shell, set up fluid passage in the case shell, the case shell is located be equipped with movable valve piece and static valve piece in the fluid passage, movable valve piece and static valve piece are laminated each other, the case shell internal rotation is provided with the rotary core, the rotary core with the movable valve piece linkage, static valve piece with be equipped with first sealing washer between the case shell, the case shell internal position be equipped with the compressing tightly that can make first sealing washer press from both sides tightly below the static valve piece, the bottom of case shell is equipped with the sealing member that can make case shell and disk seat carry out sealing connection.

The further improvement is that: the compressing piece is a valve core ring seat with an axial through hole, and the valve core ring seat is detachably arranged on the valve core shell.

The further improvement is that: the top of the valve core shell is provided with a first annular groove, the first annular groove surrounds the axial through hole, and the first sealing ring is accommodated in the first annular groove.

The further improvement is that: the sealing element is a second sealing ring, and a second annular groove for accommodating the second sealing ring is formed in the bottom of the valve core annular seat.

The further improvement is that: the bottom annular surface of the valve core shell axially extends to form a plurality of clamping portions, and the outer wall of the valve core annular seat is provided with a clamping groove clamped with the clamping portions.

The further improvement is that: the wall of the clamping groove is provided with a clamping protrusion, and the clamping part is provided with a clamping hole for clamping the clamping protrusion.

The further improvement is that: the outer side of the valve core shell is provided with an external thread connected with the valve core installation pipe, the outer side of the valve core shell is positioned above the external thread and is provided with an annular limiting plate for screwing the valve core shell into a limiting position, and a fourth sealing ring capable of sealing the opening of the valve core shell and the valve core installation pipe is arranged between the annular limiting plate and the external thread in a surrounding manner.

The further improvement is that: and a plurality of third sealing rings which can seal the valve core shell and the rotary core are wound between the valve core shell and the rotary core.

The further improvement is that: the outer wall of the rotating core is provided with a plurality of third annular grooves, and the third sealing rings are accommodated in the third annular grooves.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the first sealing ring is arranged between the movable valve plate and the valve core shell in a clamping mode through the valve core ring seat, the second sealing ring is arranged at the bottom of the valve core shell through the valve core ring seat, the valve core and the movable valve plate are sealed separately, and therefore extrusion force between the valve core and the valve seat is completely borne on the valve core ring seat, excessive friction between the movable valve plate and the static valve plate due to overlarge extrusion force is avoided, rotation adjustment of the rotary core is facilitated, meanwhile abrasion between the valve plates can be reduced, and the service life of the valve core is prolonged.

Drawings

Fig. 1 is a sectional view of a ceramic chip valve core according to an embodiment of the present invention.

Fig. 2 is an installation schematic diagram of the ceramic chip valve core and the valve seat of the embodiment of the present invention.

Fig. 3 is a perspective view of a valve core ring seat of the ceramic chip valve core according to the embodiment of the present invention.

Fig. 4 is the utility model discloses a laminating installation sketch map of the movable valve piece and the static valve piece of potsherd case.

Fig. 5 is a perspective view of a valve core housing of a ceramic chip valve core according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a ceramic valve core in the background art of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Example (b):

referring to fig. 1-5, an embodiment of the present invention discloses a ceramic wafer valve core, including a valve core housing 2, a fluid channel 8 is disposed in the valve core housing 2, the valve core housing 2 is disposed in the fluid channel 8 and is provided with a movable valve plate 3 and a static valve plate 4, the movable valve plate 3 and the static valve plate 4 are attached to each other, a rotary core 1 is rotatably disposed in the valve core housing 2, the rotary core 1 is linked with the movable valve plate 3, a first sealing ring 7 is disposed between the static valve plate 4 and the valve core housing 2, a pressing member capable of clamping the first sealing ring 7 is disposed below the static valve plate 4 in the valve core housing 2, a sealing member capable of sealing and connecting the valve core housing 2 and a valve seat 5 is disposed at the bottom of the valve core housing 2, the pressing member is a valve core ring seat 11 having an axial through hole, the valve core ring seat 11 is detachably disposed on the valve core housing 2, a first annular groove is disposed at the top of the valve core housing, the first annular groove surrounds the axial through hole, the first sealing ring 7 is accommodated in the first annular groove, a sealing element capable of enabling the valve core shell 2 to be in sealing connection with the valve seat 5 is arranged at the bottom of the valve core shell 2, the sealing element is a second sealing ring 6, and a second annular groove for accommodating the second sealing ring 6 is formed in the bottom of the valve core annular seat 11.

In order to facilitate the limiting and orientation between the valve core housing 2 and the valve core ring seat 11, a plurality of clamping portions 15 axially extend from the bottom annular surface of the valve core housing 2, and a clamping groove 14 clamped with the clamping portions 15 is formed in the outer wall of the valve core ring seat 11.

In order to facilitate the detachment and installation between the valve core housing 2 and the valve core ring seat 11, a groove wall of the clamping groove 14 is provided with a clamping protrusion 13, and the clamping portion 15 is provided with a clamping hole 12 for clamping the clamping protrusion 13.

In order to improve the sealing performance between the valve core housing 2 and the valve core mounting pipe outside the valve core housing 2, an external thread connected with the valve core mounting pipe is arranged on the outer side of the valve core housing 2, an annular limiting plate for screwing the valve core housing 2 into the limiting position is arranged on the outer side of the valve core housing 2 above the external thread, and a fourth sealing ring 9 capable of sealing the opening of the valve core housing 2 and the valve core mounting pipe is arranged between the annular limiting plate and the external thread in a surrounding manner.

In order to improve the sealing performance between the valve core housing 2 and the rotary core 1, a plurality of third sealing rings 10 capable of sealing the valve core housing 2 and the rotary core 1 are wound between the valve core housing 2 and the rotary core 1, a plurality of third annular grooves are formed in the outer wall of the rotary core 1, and the third sealing rings 10 are accommodated in the third annular grooves.

The utility model discloses be equipped with a potsherd case, press from both sides tightly through case ring seat 11 and be equipped with first sealing washer 7 between static valve piece 4 and the case shell 2, the bottom of case shell 2 is equipped with second sealing washer 6 through case ring seat 11, thereby make case shell 2 and static valve piece 4, case shell 2 and disk seat 5 separately seal, thereby make the extrusion force between case shell 2 and the disk seat 5 whole bear on case ring seat 11, avoid causing excessive friction between dynamic valve piece 3 and the static valve piece 4 because of the extrusion force is too big, be convenient for change the rotation regulation of core 1, also can reduce the wearing and tearing between the valve piece simultaneously, improve case life.

Based on the scheme, the tensioning structure can also be an annular groove which is arranged on the inner wall of the valve core shell and is positioned below the static valve piece, and when the tensioning structure is the annular groove, the first sealing ring is accommodated in the annular groove.

Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.

Claims

1. The utility model provides a potsherd case, includes the case shell, set up fluid passage in the case shell, the case shell is located be equipped with movable valve piece and quiet valve piece in the fluid passage, movable valve piece and quiet valve piece are laminated each other, the case shell internal rotation is provided with changes the core, change the core with move the linkage of valve piece, its characterized in that: a first sealing ring is arranged between the static valve plate and the valve core shell, a pressing piece capable of clamping the first sealing ring is arranged below the static valve plate in the valve core shell, and a sealing piece capable of hermetically connecting the valve core shell and the valve seat is arranged at the bottom of the valve core shell.

2. Ceramic wafer valve cartridge according to claim 1, characterized in that: the compressing piece is a valve core ring seat with an axial through hole, and the valve core ring seat is detachably arranged on the valve core shell.

3. Ceramic wafer valve cartridge according to claim 2, characterized in that: the top of the valve core shell is provided with a first annular groove, the first annular groove surrounds the axial through hole, and the first sealing ring is accommodated in the first annular groove.

4. Ceramic wafer valve cartridge according to claim 3, characterized in that: the sealing element is a second sealing ring, and a second annular groove for accommodating the second sealing ring is formed in the bottom of the valve core annular seat.

5. Ceramic wafer valve cartridge according to any of claims 2-4, characterized in that: the bottom annular surface of the valve core shell axially extends to form a plurality of clamping portions, and the outer wall of the valve core annular seat is provided with a clamping groove clamped with the clamping portions.

6. Ceramic wafer valve cartridge according to claim 5, characterized in that: the wall of the clamping groove is provided with a clamping protrusion, and the clamping part is provided with a clamping hole for clamping the clamping protrusion.

7. Ceramic wafer valve cartridge according to claim 1, characterized in that: the outer side of the valve core shell is provided with an external thread connected with the valve core installation pipe, the outer side of the valve core shell is positioned above the external thread and is provided with an annular limiting plate for screwing the valve core shell into a limiting position, and a fourth sealing ring capable of sealing the opening of the valve core shell and the valve core installation pipe is arranged between the annular limiting plate and the external thread in a surrounding manner.

8. Ceramic wafer valve cartridge according to claim 1, characterized in that: and a plurality of third sealing rings which can seal the valve core shell and the rotary core are wound between the valve core shell and the rotary core.

9. Ceramic wafer valve cartridge according to claim 8, characterized in that: the outer wall of the rotating core is provided with a plurality of third annular grooves, and the third sealing rings are accommodated in the third annular grooves.