CN213176876U

CN213176876U - Filtering ball valve

Info

Publication number: CN213176876U
Application number: CN202022127506.2U
Authority: CN
Inventors: 郑斌克
Original assignee: Wenzhou Longwei Valve Co ltd
Current assignee: Wenzhou Longwei Valve Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-11
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a filtering ball valve, which comprises a valve seat, a valve rod and a valve ball, and is also provided with a handle for driving the valve rod to link the valve ball and a positioning sheet for limiting the swing angle of the handle, wherein the valve seat is provided with a locking part positioned at the end of a medium inlet and outlet, the locking part comprises an arc-shaped groove for installing and splicing an inserted sheet for filtering or sealing and also comprises an annular sealing hoop sleeve; the utility model discloses a filter ball valve simple structure, reasonable in design through the structural design of sticking department, cooperates the design of removable function usage complex inserted sheet, makes the utility model discloses a ball valve has when the ball valve takes place valve rod fracture, the dead wearing and tearing scheduling problem of valve ball card, can need not to demolish the ball valve and carry out the temporary isolation operation to the valve inside medium runner through the arc wall that inserts the sticking department with the inserted sheet and can maintain.

Description

Filtering ball valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to filter ball valve.

Background

In a fluid medium Susong pipeline, a ball valve is an effective and necessary cut-off device. In order to clear away impurity and filth among the fluid medium, keep pipeline's cleanness and unblocked, it is also a conventional operation to set up equipment such as filter in pipeline, and the filter is generally installed at the ball valve front end to current technique, avoids impurity to get into the ball valve in, and the problem that produces, current valve body need dismantle very inconveniently to whole valve body after internal component such as valve rod takes place the small problem.

Disclosure of Invention

In order to solve the problem, the utility model provides a can avoid impurity in the medium to get into in the ball valve, and convenient to detach maintains, dismantles the process and does not have the filtration ball valve that leaks.

The scheme of the utility model is as follows: the utility model provides a filter ball valve, includes disk seat, valve rod and is located the disk seat and the valve ball that offsets with the disk seat, its characterized in that: the valve seat is provided with the sticking department, be provided with a plurality of arcs on the sticking department, still be provided with the independent cavity of keeping apart with the interior medium runner of valve seat on the valve seat, be provided with a plurality of inserted sheets of pegging graft with the arc cooperation in the cavity, the inserted sheet is fan-shaped and is the whole circle form after the intercombination, and the edge of its two relative inserted sheets is provided with and is used for mutual slot, still including the sealed hoop cover of annular that is used for cramping sticking department and inserted sheet.

As a further arrangement of the scheme, the inserting pieces can be arranged into filter screens with filtering holes or non-porous sealing pieces, and the inserting grooves are U-shaped and are mutually inserted and sealed.

As a further arrangement of the above solution, the annular seal hoop sleeve may be provided with bolts for fastening.

As a further arrangement of the above solution, the locking parts are respectively located at the medium inlet and outlet ends of the valve seat.

As a further arrangement of the scheme, the cavity is located at the bottom of the valve seat and is fixedly arranged through a bolt.

As the further setting of above-mentioned scheme, still including being used for driving valve rod pivoted handle and being used for restricting valve rod and handle turned angle's spacer, the fixed valve rod setting of spacer and edge are provided with the rotation breach, it is provided with the dog to correspond the breach on the disk seat.

As a further arrangement of the above scheme, the outside diameter of the whole circle after the insert sheet is combined is larger than the outside diameter of the locking part, and is smaller than the maximum inside diameter of the annular sealing hoop and is larger than the minimum inside diameter of the annular sealing hoop.

According to the further arrangement of the scheme, the surfaces of the arc-shaped groove and the slot are coated with rubber sealing materials.

Compared with the prior art, the utility model, following outstanding advantage has: the utility model discloses a filter ball valve simple structure, reasonable in design through the structural design of sticking department, cooperates the design of removable function usage complex inserted sheet, makes the utility model discloses a ball valve has when the ball valve takes place valve rod fracture, the dead wearing and tearing scheduling problem of valve ball card, can need not to demolish the ball valve and carry out the temporary isolation operation to the valve inside medium runner through the arc wall that inserts the sticking department with the inserted sheet and can maintain.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the annular sealing band of the present embodiment sleeved on the locking portion.

Fig. 3 is a schematic structural view of the positioning sheet of the present embodiment.

Reference numerals: 1. a valve seat; 2. a valve stem; 3. a valve ball; 4. positioning plates; 5. a locking portion; 52. an arc-shaped slot; 53. a cavity; 61. inserting sheets; 62. a slot; 64. an annular seal cuff; 8. a handle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided for explaining the present invention, and the examples are not intended to limit the present invention, and the embodiments do not indicate specific techniques or conditions, and are performed according to the techniques or conditions described in the literature in the field or according to the product specification, and the apparatuses used are not indicated, and are all conventional products available on the market.

As shown in fig. 1-3, a filtering ball valve includes a valve seat 1, a valve rod 2 and a valve ball 3 located in the valve seat 1 and abutting against the valve seat 1, and is characterized in that: the utility model discloses a valve seat, including valve seat 1, locking portion 5, be provided with a plurality of arc walls 52 on the locking portion 5, still be provided with the independent cavity 53 that keeps apart with medium flow channel in the valve seat 1 on the valve seat 1, be provided with a plurality of inserted sheets 61 of pegging graft with arc wall 52 cooperation in the cavity 53, inserted sheet 61 is fan-shaped and be the whole circle form after the intercombination, and its two relative inserted sheets 61's edge is provided with and is used for mutual slot 62, still including the sealed hoop cover 64 of annular that is used for cramping locking portion 5 and inserted sheet 61.

As a further arrangement of the above scheme, the inserting sheet 61 may be a filter screen with filtering holes or a non-porous sealing sheet, and the inserting slot 62 is U-shaped and is inserted and sealed with each other.

As a further provision of the above solution, the annular seal cuff 64 may be provided with bolts for fastening.

As a further provision of the above solution, the locking portions 5 are located at the medium inlet and outlet ends of the valve seat 1, respectively.

As a further arrangement of the above solution, the cavity 53 is located at the bottom of the valve seat 1 and is fixedly arranged by a bolt.

As the further setting of above-mentioned scheme, still including being used for driving 2 pivoted handles 8 of valve rod and being used for restricting 2 and 8 turned angle's of

handle spacer

4, 4 fixed valve rod settings of spacer and edge are provided with the rotation breach, it is provided with the dog to correspond the breach on the disk seat.

As a further arrangement of the above solution, the combined full circle outer diameter of the insertion sheet 61 is larger than the outer diameter of the locking part 5, and the maximum inner diameter of the annular sealing collar 64 is larger than the minimum inner diameter of the annular sealing collar 64.

As a further arrangement of the above solution, the surfaces of the arc-shaped groove 52 and the slot 62 are covered with a rubber sealing material.

Example 1:

operating personnel accessible bolt dismantles annular seal hoop cover 64, expose arc wall 52 rethread bolt and unpack cavity 53 and take out the inserted sheet 61 that can be used to the filtration of taking the filtration hole apart, insert inserted sheet 61 along arc wall 52 again and insert the corresponding grafting of slot 62, until all arc walls 52 all insert fully, see annular seal hoop cover 64 again and carry out the cladding and cramp, the inner ring of annular seal hoop cover 64 is shrunk to the rethread bolt, utilize it to make inserted sheet 61 sealed butt each other, can obtain one and have and filter and prevent that impurity in the medium from leading to opening and shutting between valve ball 3 and the disk seat 1 and produce the shakiness, gap scheduling problem.

Example 2:

when the structure in the valve seat is worn or damaged or the valve ball and the valve rod are maintained, an operator can operate the valve seat through the operation of the embodiment 1, and when the inserting sheet 61 is changed from the inserting sheet 61 special for filtering with holes to the inserting sheet 61 without holes, the inlet and the outlet of the ball valve are in isolation sealing, the ball valve is dismantled for maintenance, and liquid cannot overflow.

It is worth noting that the arc-shaped groove is provided with an elastic self-sealing structure, so that certain self-sealing performance is achieved when the annular sealing hoop sleeve 64 is detached and the inserting sheet 61 is inserted, and medium liquid is prevented from being sprayed out.

The utility model discloses a filter ball valve simple structure, reasonable in design through the structural design of sticking department 5, cooperates removable function usage complex inserted sheet 61 design, makes the utility model discloses a ball valve has when the ball valve takes place valve rod fracture, the dead wearing and tearing scheduling problem of valve ball card, can need not to demolish the ball valve and operate through above-mentioned embodiment and can maintain.

The above description should not be considered as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a filter ball valve, includes disk seat (1), valve rod (2) and is located disk seat (1) and with valve ball (3) that disk seat (1) offseted, its characterized in that: the utility model discloses a valve seat, including disk seat (1), disk seat (1) are provided with sticking portion (5), be provided with a plurality of arc walls (52) on sticking portion (5), still be provided with on disk seat (1) independent cavity (53) of isolating with the interior medium flow channel of disk seat (1), be provided with a plurality of inserted sheets (61) of pegging graft with arc wall (52) cooperation in cavity (53), inserted sheet (61) are fan-shaped and be the perfect circle form after the intercombination, and the edge of its two relative inserted sheets (61) is provided with slot (62) that are used for mutual sealing, still including annular seal hoop cover (64) that are used for cramping sticking portion (5) and inserted sheet (61).

2. A filter ball valve as claimed in claim 1, wherein: the inserted sheet (61) can set up to the filter screen or the sclausura gasket of taking the filtration pore, slot (62) are "U" type and peg graft each other sealedly.

3. A filter ball valve as claimed in claim 1, wherein: the annular seal hoop sleeve (64) can be provided with bolts for fastening.

4. A filter ball valve as claimed in claim 1, wherein: the locking parts (5) are respectively positioned at the medium inlet and outlet ends of the valve seat (1).

5. A filter ball valve as claimed in claim 1, wherein: the cavity (53) is positioned at the bottom of the valve seat (1) and is fixedly arranged by a bolt.

6. A filter ball valve as claimed in claim 1, wherein: still including being used for driving valve rod (2) pivoted handle (8) and being used for restricting valve rod (2) and handle (8) turned angle's spacer (4), the setting of the fixed valve rod of spacer (4) and edge are provided with the rotation breach, it is provided with the dog to correspond the breach on the disk seat.

7. A filter ball valve as claimed in claim 1, wherein: the outer diameter of the whole circle after the insertion sheet (61) is combined is larger than the outer diameter of the locking part (5), the maximum inner diameter of the annular sealing hoop sleeve (64) is larger than the minimum inner diameter of the annular sealing hoop sleeve (64).

8. A filter ball valve as claimed in claim 1, wherein: and rubber sealing materials are coated on the surfaces of the arc-shaped groove (52) and the slot (62).