CN210106639U

CN210106639U - Sleeve valve core sleeve matching structure of sleeve valve

Info

Publication number: CN210106639U
Application number: CN201920639093.0U
Authority: CN
Inventors: 钱濛逸; 钱伟方
Original assignee: Wuxi Qijiuyi Automation Technology Co Ltd
Current assignee: Wuxi Qijiuyi Automation Technology Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-02-21
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a sleeve case sleeve cooperation structure of sleeve valve, including outer sleeve, inner skleeve and case sleeve, bolt and inner skleeve fixed connection are passed through to the bottom of outer sleeve, the case sleeve activity from top to bottom sets up between outer sleeve and inner skleeve and closely cooperates with outer sleeve and inner skleeve, the equidistant first through-hole that is equipped with on the lateral wall of outer sleeve, be provided with the spacing groove along the axial on the outer wall of barrel, be provided with on the telescopic inner wall of case with spacing groove assorted spacing protruding muscle. The utility model discloses can make liquid evenly to exerting pressure on the interior sleeve, because the sleeve case adopts outer sleeve-case sleeve-barrel three-layer nested structure, improved compressive capacity greatly, can use under higher compressive strength, under spacing groove and spacing protruding muscle combined action for the case sleeve keeps vertical motion when reciprocating, prevents that the case sleeve from taking place the rotation under the effort of high-pressure liquid, has improved the stability of valve.

Description

Sleeve valve core sleeve matching structure of sleeve valve

Technical Field

The utility model belongs to the technical field of the sleeve valve device, concretely relates to sleeve valve's sleeve of sleeve case sleeve cooperation structure.

Background

The existing common sleeve valve has the advantages that the valve core sleeve matching structure is simple, a valve core which can move up and down is usually arranged in an outer sleeve and matched with the outer sleeve, a plurality of throttling windows are formed in the sleeve, and the purpose of controlling the flow rate is achieved by utilizing the opening degree of the height adjusting window of the valve core. Because in the pipe-line system, especially in the high pressure pipeline, there is higher pressure in the liquid inside, when the case reciprocated, easy to take place the rotation under the liquid pressure effect, be unfavorable for the inseparable cooperation of sleeve and case, so influence valve cooperation precision for a long time and cause the weeping phenomenon. And current sleeve and case cooperation structure adopt the individual layer sleeve to carry out the resistance to compression to inside case and liquid, and compressive capacity is lower relatively, need further improve sleeve and case cooperation structure's compressive strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sleeve valve's sleeve case sleeve cooperation structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sleeve case sleeve cooperation structure of sleeve valve, includes outer sleeve, inner skleeve and case sleeve, bolt and inner skleeve fixed connection are passed through to the bottom of outer sleeve, the case sleeve activity sets up from top to bottom between outer sleeve and inner skleeve and closely cooperates with outer sleeve and inner skleeve, the telescopic top of case is connected with the valve rod, the inner skleeve includes barrel and the flange that the integration set up, equidistant first through-hole that is equipped with on the lateral wall of outer sleeve, be equipped with the second through-hole on the lateral wall of barrel, be provided with spacing groove along the axial on the outer wall of barrel, be provided with on the telescopic inner wall of case with spacing groove assorted spacing protruding muscle.

Preferably, the first through holes and the second through holes are identical in shape and correspond in position to one another.

Preferably, the second through holes and the limiting grooves are distributed at intervals.

Preferably, the top of barrel is the blind end, the bottom of barrel is open end and the bottom of barrel and flange integration setting.

Preferably, a sealing gasket is arranged on the flange.

Preferably, the upper end and the lower end of the outer wall of the valve core sleeve are respectively embedded with a sealing ring.

The utility model discloses a technological effect and advantage:

this practicality can make liquid evenly to exerting pressure on the interior sleeve when using, because sleeve case adopts outer sleeve-case sleeve-barrel three-layer nested structure, has improved compressive capacity greatly, improves the resistance to compression limit of sleeve case, can use under higher compressive strength, under the combined action of spacing groove and spacing protruding muscle for the case sleeve keeps vertical motion when reciprocating, prevents that the case sleeve from taking place the rotation under the effort of high-pressure liquid, has improved the stability of valve.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the inner sleeve structure of the present invention.

In the figure: the valve comprises a valve rod 1, an outer sleeve 2, a first through hole 201, a sealing gasket 3, a bolt 4, an inner sleeve 5, a second through hole 501, a cylinder 502, a limiting groove 503, a flange 504, a valve core sleeve 6 and a sealing ring 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, a sleeve and spool sleeve matching structure of a sleeve valve comprises an outer sleeve 2, an inner sleeve 5 and a spool sleeve 6, wherein the bottom end of the outer sleeve 2 is fixedly connected with the inner sleeve 5 through a bolt 4, the spool sleeve 6 is movably arranged between the outer sleeve 2 and the inner sleeve 5 up and down and is tightly matched with the outer sleeve 2 and the inner sleeve 5, the top of the spool sleeve 6 is connected with a valve rod 1, the inner sleeve 5 comprises a cylinder 502 and a flange 504 which are integrally arranged, first through holes 201 are arranged on the side wall of the outer sleeve 2 at equal intervals, second through holes 501 are arranged on the side wall of the cylinder 502, a limiting groove 503 is axially arranged on the outer wall of the cylinder 502, and a limiting convex rib matched with the limiting groove 503 is arranged on the inner wall of the spool sleeve.

The first through holes 201 and the second through holes 501 have the same shape and are in one-to-one correspondence in position. The end parts of the first through hole 201 and the second through hole 501 are chamfered, so that when the valve core sleeve 6 moves upwards, liquid directly flows out after flowing through the second through hole 501 from the first through hole 201, and the liquid cavitation phenomenon and the noise are reduced.

The second through holes 501 and the limiting grooves 503 are distributed at intervals.

The top end of the cylinder 502 is a closed end, the bottom end of the cylinder 502 is an open end, and the bottom end of the cylinder 502 is integrally arranged with the flange 504. So that the liquid can enter the inner sleeve 5 from the bottom end of the cylinder 502, and the liquid is uniformly pressed to the periphery from the inside of the cylinder 502, thereby ensuring the uniform stress on the inner sleeve 5.

The flange 504 is provided with a gasket 3. The sealing gasket 3 seals between the bottom of the outer sleeve 2 and the flange 504, and can seal the bottom end of the spool sleeve 6 when the spool sleeve 6 descends, so that the sealing performance of the device is improved.

And sealing rings 7 are embedded at the upper end and the lower end of the outer wall of the valve core sleeve 6. When the sleeve valve core is closed, the sealing rings 7 are respectively positioned at the upper side and the lower side of the first through hole 201, so that liquid leakage can be prevented.

Specifically, during the use, during initial state, the sleeve case is in the closure state, sealing washer 7 seals from the upper and lower both sides of first through-hole 201 respectively, liquid gets into the inside of inner skleeve 5 this moment, evenly to exerting pressure on the inner skleeve 5, because the sleeve case adopts outer sleeve-case sleeve-barrel three-layer nested structure, the compressive capacity has been improved greatly, improve the resistance to compression limit of sleeve case, can use under higher pressure intensity, when case sleeve 6 reciprocated, can be under spacing groove 503 and spacing protruding muscle's combined action, make case sleeve 6 keep vertical motion when reciprocating, prevent that case sleeve 6 from taking place the rotation under the effort of high-pressure liquid, the stability of valve has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a sleeve case sleeve cooperation structure of sleeve valve, includes outer sleeve (2), inner skleeve (5) and case sleeve (6), its characterized in that: the bottom of outer sleeve (2) passes through bolt (4) and inner skleeve (5) fixed connection, the activity sets up about spool sleeve (6) between outer sleeve (2) and inner skleeve (5) and closely cooperate with outer sleeve (2) and inner skleeve (5), the top of spool sleeve (6) is connected with valve rod (1), inner skleeve (5) are including barrel (502) and flange (504) that the integration set up, equidistant first through-hole (201) of being equipped with on the lateral wall of outer sleeve (2), be equipped with second through-hole (501) on the lateral wall of barrel (502), be provided with spacing groove (503) along the axial on the outer wall of barrel (502), be provided with on the inner wall of spool sleeve (6) with spacing groove (503) assorted spacing protruding muscle.

2. The sleeve-cartridge sleeve engagement structure of a sleeve valve of claim 1, wherein: the first through holes (201) are identical to the second through holes (501) in shape and correspond to the second through holes in position one to one.

3. The sleeve-cartridge sleeve engagement structure of a sleeve valve of claim 1, wherein: the second through holes (501) and the limiting grooves (503) are distributed at intervals.

4. The sleeve-cartridge sleeve engagement structure of a sleeve valve of claim 1, wherein: the top of barrel (502) is the closed end, the bottom of barrel (502) is open end and the bottom of barrel (502) and flange (504) integration setting.

5. The sleeve-cartridge sleeve engagement structure of a sleeve valve of claim 1, wherein: and a sealing gasket (3) is arranged on the flange (504).

6. The sleeve-cartridge sleeve engagement structure of a sleeve valve of claim 1, wherein: and sealing rings (7) are embedded at the upper end and the lower end of the outer wall of the valve core sleeve (6).