CN210135070U

CN210135070U - Valve limiting sleeve for enlarging overflowing space

Info

Publication number: CN210135070U
Application number: CN201921011067.XU
Authority: CN
Inventors: 徐瑞翎; 刘胜利
Original assignee: Huaian Weili Pump Technology Co Ltd
Current assignee: Huaian Weili Pump Technology Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-03-10
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses an increase valve restriction cover in space that overflows relates to measuring pump exit check valve technical field, has solved the problem that valve restriction cover blockked up easily among the prior art, and its technical essential is: the valve comprises a valve sleeve, a valve ball and a valve seat, wherein the valve sleeve is provided with a valve sleeve bayonet lock for limiting the take-off height of the valve ball, the valve ball is arranged in the valve sleeve, and the valve sleeve is connected with the valve seat through a sealing gasket; the utility model discloses the part that overflows of well valve barrel is divided into two parts by the valve barrel bayonet lock, and single space of overflowing is far more than the space that overflows that originally adopts drilling, and is very good to having the bigger medium trafficability characteristic of granule impurity and viscosity, simultaneously the utility model discloses simple structure, the installation is easy, and application scope is wide.

Description

Valve limiting sleeve for enlarging overflowing space

Technical Field

The utility model relates to a check valve technical field is imported and exported to the measuring pump, especially relates to an increase valve restriction cover in space that overflows.

Background

The metering pump valve limiting sleeve is used for controlling the jumping height and the left-right swinging gap of the valve ball, and a medium flows out along the periphery of the valve ball through an overflowing hole of the valve limiting sleeve.

In the prior art, a drilling method is adopted for a valve limiting sleeve overflowing hole of a metering pump, generally 3 or 4 holes are drilled and limited by space, the drilled holes cannot be too large, when the metering pump conveys impurities or media with high viscosity, the overflowing small hole of the valve limiting sleeve is easy to block, the metering pump cannot be used after the blockage, and the metering pump needs to be detached and cleaned at this time, so that the valve limiting sleeve with the larger overflowing space is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above-mentioned defect, provide a valve restriction cover that increases overflow space, including valve barrel, valve ball and disk seat, be equipped with on the valve barrel and highly carry out spacing valve barrel bayonet lock to the valve ball take-off, the valve ball is established in the inside of valve barrel, and valve barrel and disk seat pass through seal gasket and connect to solve the easy problem of blockking up of valve restriction cover among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the valve limiting sleeve for increasing the overflowing space comprises a valve sleeve, a valve ball and a valve seat, wherein a valve sleeve bayonet lock for limiting the take-off height of the valve ball is arranged on the valve sleeve, the valve ball is arranged in the valve sleeve, and the valve sleeve is connected with the valve seat through a sealing gasket.

As a further aspect of the utility model, the valve pocket is internally provided with a positioning strip for limiting the valve ball.

As a further proposal of the utility model, the valve sleeve bayonet lock is a cylindrical bayonet lock.

As a further proposal of the utility model, the two ends of the valve sleeve bayonet lock are cylindrical and the middle is flat.

As a further proposal, the valve sleeve is provided with a fixed hole for installing the valve sleeve bayonet lock, and the valve sleeve bayonet lock is in interference fit with the valve sleeve.

As a further proposal of the utility model, the gasket is a PTFE gasket.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

1. the cylindrical valve sleeve bayonet lock limits the valve ball, ensures the maximum strength under the minimum size, is used for limiting the take-off height of the valve ball, is not easy to be damaged by the top of the valve ball, has long service life, can be stably used under the conditions of high pressure and ultrahigh pressure, and has longer service life than other types of valve limiting sleeves;

2. the overflowing part of the valve sleeve in the utility model is divided into two parts by the valve sleeve bayonet lock, the single overflowing space is far larger than the overflowing space of the original drilling hole, and the overflowing space has good passing performance for medium with particle impurities and larger viscosity;

3. the valve sleeve is internally provided with the positioning strip, the positioning strip is in sliding connection with the valve ball, so that the valve ball is ensured to move linearly when being opened and closed, and the medium can overflow along the periphery of the valve ball;

4. the utility model discloses simple structure, the installation is easy, and application scope is wide.

Drawings

FIG. 1 is a schematic view of a valve restriction sleeve having an enlarged flow space;

FIG. 2 is a full sectional view of the valve restriction sleeve with enlarged flow space;

fig. 3 is a schematic structural view of a bayonet lock of the valve sleeve in embodiment 2;

fig. 4 is a schematic structural view of a valve sleeve in embodiment 2.

Reference numerals: 1-valve sleeve bayonet lock, 2-valve sleeve, 3-valve ball, 4-sealing gasket and 5-valve seat.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1

As shown in fig. 1 to 2, a valve limiting sleeve for enlarging an overflowing space comprises a valve sleeve 2, a valve ball 3 and a valve seat 5, wherein a valve sleeve bayonet 1 for limiting the take-off height of the valve ball 3 is arranged on the valve sleeve 2, the valve ball 3 is arranged in the valve sleeve 2, and the valve sleeve 2 is connected with the valve seat 5 through a sealing gasket 4;

the valve sleeve bayonet lock 1 is a cylindrical bayonet lock, a fixing hole for installing the valve sleeve bayonet lock 1 is formed in the valve sleeve 2, and the valve sleeve bayonet lock 1 is fixed in the valve sleeve 2 in an interference fit mode; the valve sleeve 2 is of a cylindrical tubular structure, and the inner diameter of the valve sleeve 2 is larger than the outer diameter of the valve ball 3;

the valve seat 5 is prior art, and valve seat 5 fixed connection is on the measuring pump, and seal gasket 4 is the tetrafluoro gasket for seal valve barrel 2 and valve seat 5, seal gasket 4 sets up the both ends at valve seat 5.

Example 2

As shown in fig. 2 to 4, a valve limiting sleeve for enlarging an overflowing space comprises a valve sleeve 2, a valve ball 3 and a valve seat 5, wherein a valve sleeve bayonet 1 for limiting the take-off height of the valve ball 3 is arranged on the valve sleeve 2, the valve ball 3 is arranged inside the valve sleeve 2, and the valve sleeve 2 is connected with the valve seat 5 through a sealing gasket 4;

in the embodiment, two ends of the valve sleeve bayonet lock 1 are cylindrical, and the middle part is flat; the valve sleeve 2 is internally provided with three positioning strips for limiting the valve ball 3, so that the peripheral flow of the valve ball 3 is uniform, and the valve ball 3 is prevented from jumping in the valve sleeve 2;

otherwise, the same as in example 1.

To sum up, the utility model discloses a theory of operation is:

valve barrel bayonet lock 1 is fixed on valve barrel 2, and valve barrel bayonet lock 1 is spacing to valve ball 3, and is spacing to valve ball 3 through the cylinder for valve barrel 2 overflow the part and is divided into two parts by valve barrel bayonet lock 1, and single space of overflowing is far greater than the space of overflowing that originally adopts drilling, and is very good to the medium trafficability characteristic that has particle impurity and viscosity ratio great.

It needs to explain very much, in this application, it is the innovation point of this application to increase the space that overflows through the valve barrel bayonet lock, and it has effectively solved the problem that valve restriction cover blockked up easily among the prior art.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the invention and for the convenience 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 invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an increase valve restriction cover in space that overflows, includes valve barrel (2), valve ball (3) and disk seat (5), its characterized in that is equipped with on valve barrel (2) and plays jump height to valve ball (3) and carry out spacing valve barrel bayonet lock (1), and valve ball (3) are established in the inside of valve barrel (2), and valve barrel (2) and disk seat (5) are connected through seal gasket (4).

2. The valve limiting sleeve with the enlarged overflowing space of claim 1, wherein a positioning strip for limiting the valve ball (3) is arranged inside the valve sleeve (2).

3. An increased flow space valve restriction sleeve according to claim 1, characterized in that the valve sleeve bayonet lock (1) is a cylindrical bayonet lock.

4. The valve restriction sleeve with the enlarged flow passing space of claim 1, wherein the valve sleeve bayonet lock (1) is cylindrical at both ends and flat in the middle.

5. The valve limiting sleeve with the enlarged overflowing space of any one of claims 2 to 4, wherein the valve sleeve (2) is provided with a fixing hole for installing the valve sleeve bayonet lock (1), and the valve sleeve bayonet lock (1) is in interference fit with the valve sleeve (2).

6. The valve restriction sleeve for enlarging the flow passing space according to claim 4, wherein the gasket (4) is a teflon gasket.