CN216045699U

CN216045699U - Ball valve body precision casting spare

Info

Publication number: CN216045699U
Application number: CN202121275492.7U
Authority: CN
Inventors: 赵日友
Original assignee: Jiangsu Xingshida Technology Co ltd
Current assignee: Jiangsu Xingshida Technology Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-03-15
Anticipated expiration: 2031-06-08

Abstract

The utility model relates to the technical field of casting parts, in particular to a precision casting part for a ball valve body, which solves the problems that in the prior art, the gap between flanges is inconvenient to spray antirust paint for rust prevention, and the flanges are easy to be connected into a whole due to rust along with the increase of the service time, so that the disassembly, the maintenance and the replacement are difficult. The utility model provides a ball valve body precision casting spare, includes a pair of ring flange, and a pair of ring flange is connected through a plurality of connecting portion, is provided with the guard portion between a pair of ring flange, and the guard portion includes the rubber sealing ring, the equal fixedly connected with anti rust coating in both sides of rubber sealing ring, and the top of rubber sealing ring has seted up a plurality of through-hole along the circumferencial direction of rubber sealing ring. The utility model effectively avoids the water entering and rusting at the gap of the connecting piece, ensures the normal use of the pair of flange plates and the connecting piece, avoids the problem of difficult disassembly and replacement caused by rusting, and effectively prolongs the service life of the connecting piece.

Description

Ball valve body precision casting spare

Technical Field

The utility model relates to the technical field of casting parts, in particular to a precision casting part for a ball valve body.

Background

The ball valve (ballvalve), the opening and closing part (spheroid) is driven by the valve stem, and the valve of making rotary motion around the ball valve axis also can be used to fluidic regulation and control, wherein has very strong shearing force between its V type core of hard seal V type ball valve and the metal disk seat of build-up welding carbide, is particularly useful for the medium that contains fibre, little solid particle etc. and the casting of ball valve is mainly connected through the ring flange.

When the flange plate is arranged in severe environments such as a machine room with high humidity, the outer surface of the flange plate, bolts and nuts for fixing the flange plate are generally subjected to rust prevention treatment by adopting rust prevention coating, but the gap between the flange plates is inconvenient to spray the rust prevention coating for rust prevention, and along with the increase of the service time, the flange plates are easily connected into a whole due to rusting, so that the disassembly, the maintenance and the replacement are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precision casting part for a ball valve body, which solves the problems that in the prior art, gaps between flanges are inconvenient to spray antirust paint for rust prevention, and are easily connected into a whole due to rusting along with the increase of service time, so that the disassembly, the maintenance and the replacement are difficult.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a ball valve body precision casting spare, includes a pair of ring flange, a pair of ring flange is connected through a plurality of connecting portion, be provided with the guard portion between a pair of ring flange, the guard portion includes sealed rubber ring, the equal fixedly connected with anti rust coating in both sides of sealed rubber ring, just a plurality of through-hole has been seted up along the circumferencial direction of sealed rubber ring in the top of sealed rubber ring, connecting portion include the connecting piece, the both ends of connecting piece all are provided with waterproof cover.

Preferably, the diameter of the sealing rubber ring is the same as the diameter of the pair of flanges, and the thickness of the sealing rubber ring is smaller than the thickness of the pair of flanges.

Preferably, the waterproof cover comprises a sleeve fixedly connected with the pair of flanges and a connecting cover detachably connected with an opening of the sleeve.

Preferably, the connecting piece comprises a screw rod with one end penetrating through the sleeve and the pair of flanges and a nut fixedly connected with one end of the screw rod extension section through a bolt, and the nut is arranged inside the sleeve.

Preferably, the outer ring of each sleeve is provided with an external thread, and the inner ring of each connecting cover is provided with an internal thread.

Preferably, the bottom of the inner cavity of each sleeve is provided with a connecting hole matched with the screw, and the bottom of the inner cavity of each sleeve is fixedly connected with a sealing gasket.

The utility model has at least the following beneficial effects:

the sealing rubber ring is when guaranteeing the leakproofness between a pair of ring flange, anti rust coating provides rust-resistant ability, avoid rustting between a pair of ring flange, and the screw rod of connecting piece all protects through sleeve and connecting cover with the nut, the effectual gap department of having avoided screw rod and nut is intake and is rusted, the normal use of a pair of ring flange and connecting piece has been guaranteed, can not lead to dismantling and change the problem appearance of difficulty because of rusty, and the effectual life that has improved, and make things convenient for later stage dismouting to maintain.

The utility model also has the following beneficial effects:

through the protection part, the setting of connecting piece and waterproof cover, sealing rubber ring is when guaranteeing the leakproofness between a pair of ring flange, anti rust coating provides rust-resistant ability, avoid the rust death between a pair of ring flange, and the both ends of connecting piece are all handled through waterproof cover, the effectual gap department of having avoided the connecting piece is intake rusty, the normal use of a pair of ring flange and connecting piece has been guaranteed, can not lead to dismantling and change the problem appearance of difficulty because of the rust death, and effectual its life that has improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

FIG. 2 is a schematic view of a connector structure according to the present invention;

FIG. 3 is a schematic view of the waterproof cover of the present invention;

FIG. 4 is a schematic view of the screw structure of the present invention;

fig. 5 is a schematic view of the structure of the protection part of the present invention.

In the figure: 2. a flange plate; 3. a connecting portion; 4. a protective part; 5. a waterproof cover; 6. a connecting member; 401. a through hole; 402. sealing the rubber ring; 403. an antirust coating; 501. a sleeve; 502. connecting holes; 503. a sealing gasket; 504. a connecting cover; 601. a screw; 602. and (4) a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-5, a precision casting component for a ball valve body, comprising a pair of flanges 2, the pair of flanges 2 are connected by a plurality of connecting parts 3, a protection part 4 is arranged between the pair of flanges 2, the protection part 4 comprises a sealing rubber ring 402, both sides of the sealing rubber ring 402 are fixedly connected with an antirust coating 403, the top of the sealing rubber ring 402 is provided with a plurality of through holes 401 along the circumferential direction of the sealing rubber ring 402, the connecting part 3 comprises a connecting piece 6, both ends of the connecting piece 6 are provided with waterproof covers 5, specifically, by the arrangement of the protection part 4, the connecting piece 6 and the waterproof covers 5, the antirust coating 403 provides antirust capability while the sealing rubber ring 402 ensures the tightness between the pair of flanges 2, the pair of flanges 2 are prevented from being rusted, both ends of the connecting piece 6 are treated by the waterproof covers 5, and the water entering and rusting at the gap of the connecting piece 6 are effectively avoided, the normal use of a pair of flange plates 2 and connecting pieces 6 is guaranteed, the problem that the flange plates are difficult to disassemble and replace due to rust is avoided, and the service life of the flange plates is effectively prolonged.

The scheme has the following working processes:

sealing rubber ring 402 is when guaranteeing the leakproofness between a pair of ring flange 2, anti rust coating 403 provides rust-resistant ability, avoid rust between a pair of ring flange 2 to die, and connecting piece 6's screw rod 601 all protects through sleeve 501 and connecting cover 504 with nut 602, the effectual gap department of having avoided screw rod 601 and nut 602 is intake rusty, the normal use of a pair of ring flange 2 and connecting piece 6 has been guaranteed, can not lead to dismantling and change the problem appearance of difficulty because of rust die, and the effectual life that has improved, and make things convenient for later stage dismouting to maintain.

According to the working process, the following steps are known:

through the guard portion 4, connecting piece 6 and waterproof cover 5's setting, sealing rubber ring 402 is when guaranteeing the leakproofness between a pair of ring flange 2, anti rust coating 403 provides rust-resistant ability, avoid rustting between a pair of ring flange 2, and the both ends of connecting piece 6 are all handled through waterproof cover 5, the effectual gap department of having avoided connecting piece 6 is intake and is rusted, the normal use of a pair of ring flange 2 and connecting piece 6 has been guaranteed, can not lead to dismantling and change the problem appearance of difficulty because of rusty, and effectual its life has been improved.

Further, the diameter of the rubber gasket 402 is the same as the diameter of the pair of flanges 2, and the thickness of the rubber gasket 402 is smaller than the thickness of the pair of flanges 2, specifically, the diameter of the rubber gasket 402 is the same as the diameter of the pair of flanges 2, so as to ensure that good sealing performance is provided and the use is convenient.

Further, waterproof cover 5 includes with a pair of ring flange 2 fixed connection's sleeve 501 and can dismantle the connection lid 504 of being connected with sleeve 501 opening part, and is concrete, through sleeve 501 and connection lid 504's setting, the effectual gap department to connecting piece 6 carries out waterproof protection.

Further, the connecting piece 6 includes that one end runs through sleeve 501 and the screw 601 of a pair of ring flange 2 and the nut 602 of one end looks adaptation bolt fixed connection of the screw 601 extension, and nut 602 sets up inside sleeve 501, and is concrete, through the setting of screw 601 and nut 602, the later stage dismouting of being convenient for.

Further, the outer ring of every sleeve 501 has all been seted up the external screw thread, and the inner circle of every connection lid 504 has all been seted up the internal thread, and is concrete, through the setting of sleeve 501 and connection lid 504, connection lid 504 and sleeve 501 bolt fixed connection, the later stage dismouting of being convenient for.

Further, the connecting hole 502 with screw rod 601 looks adaptation is all seted up to the inner chamber bottom of every sleeve 501, and the equal fixedly connected with seal ring 503 in inner chamber bottom of every sleeve 501, and is concrete, through seal ring 503's setting, has improved the waterproof ability of protection to screw rod 601 and nut 602.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve body precision casting spare, includes a pair of ring flange (2), its characterized in that, a pair of ring flange (2) are connected through a plurality of connecting portion (3), be provided with protection part (4) between a pair of ring flange (2), protection part (4) include sealed rubber ring (402), the equal fixedly connected with anti rust coating (403) in both sides of sealed rubber ring (402), just a plurality of through-hole (401) have been seted up along the circumferencial direction of sealed rubber ring (402) at the top of sealed rubber ring (402), connecting portion (3) include connecting piece (6), the both ends of connecting piece (6) all are provided with waterproof cover (5).

2. Precision casting of a ball valve body according to claim 1, characterized in that the diameter of the sealing rubber ring (402) is the same as the diameter of the pair of flanges (2), and the thickness of the sealing rubber ring (402) is smaller than the thickness of the pair of flanges (2).

3. Precision casting of a ball valve body according to claim 1, characterized in that the waterproof cover (5) comprises a sleeve (501) fixedly connected to a pair of flanges (2) and a connecting cover (504) detachably connected to the opening of the sleeve (501).

4. Precision casting of a ball valve body according to claim 1, characterized in that the connecting piece (6) comprises a threaded rod (601) having one end extending through the sleeve (501) and the pair of flanges (2) and a nut (602) having one end adapted to be fixedly connected to a bolt of an extension of the threaded rod (601), the nut (602) being arranged inside the sleeve (501).

5. The precision casting component for the valve body of the ball valve as claimed in claim 3, wherein an outer ring of each sleeve (501) is externally threaded, and an inner ring of each connecting cover (504) is internally threaded.

6. The precision casting piece of the ball valve body is characterized in that the bottom of the inner cavity of each sleeve (501) is provided with a connecting hole (502) matched with the screw rod (601), and a sealing gasket (503) is fixedly connected to the bottom of the inner cavity of each sleeve (501).