CN213271047U

CN213271047U - Flange type butterfly valve with cleaning and filtering effects

Info

Publication number: CN213271047U
Application number: CN202022034390.8U
Authority: CN
Inventors: 刘笑含
Original assignee: Tianjin Kaidi Valve Co ltd
Current assignee: Tianjin Kaidi Valve Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-25
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a flange type butterfly valve with cleaning and filtering effects, belonging to the technical field of flange type butterfly valves, comprising a valve body, wherein flange plates are welded at two ends of the valve body, an inner connecting seat is fixedly connected in the valve body, a snap ring is nested on the surface of the inner connecting seat, a tail cylinder at the tail end of the snap ring penetrates through the inner connecting seat and extends into the valve body, a filter screen A is welded in the middle of the inner wall of the tail cylinder, the bottom end of the tail cylinder behind the filter screen A is fixedly connected with a filter screen B, activated carbon balls are filled in the tail cylinder between the filter screen A and the filter screen B, a tail cylinder is arranged in the valve body, then an activated carbon ball is filled between a filter screen A and a filter screen B of the tail cylinder, when water flow is introduced into the valve body, the double filtering structure formed by the filter screen A and the filter screen B can better filter water flowing through the valve body, and the filter screen A and the filter screen B can adsorb impurities in the water body to achieve a better filtering effect.

Description

Flange type butterfly valve with cleaning and filtering effects

Technical Field

The utility model relates to a flange formula butterfly valve technical field especially relates to a flange formula butterfly valve with clean filter effect.

Background

The flange type soft sealing butterfly valve has novel design structure, small integral size and light weight; the butterfly plate adopts double eccentricity, the opening and closing are rapid, and the operation is light and labor-saving; the butterfly plate and the sealing ring have no sliding friction, the sealing surface is wear-resistant, the service life is long, the sealing is reliable, and the adjustment is easy.

Patent number CN201721650654.4 discloses a flange formula butterfly valve with clean filter effect, which comprises a valve body, the both ends symmetry of valve body is equipped with the ring flange, the inner wall laminating of valve body has the one deck wearing layer, it has the rotation axis to peg graft perpendicularly in the valve body, and the outer wall bilateral symmetry fixedly connected with butterfly plate of rotation axis, the outer wall of rotation axis and be equipped with the filter with butterfly plate looks vertically bilateral symmetry, one side fixedly connected with mounting of valve body upper end outer wall, and the rotation axis passes the inner wall and the mounting of valve body and outside extension fixedly connected with disc, and the upper end edge of disc is equipped with the handle, the outer wall screw thread of rotation axis has cup jointed annular fixture block, and the bottom fixedly connected with locking lid of annular fixture block, the upper end of mounting is equipped with the locking groove that corresponds with the locking lid. The utility model discloses simple structure, easy operation, opening and closing butterfly valve that can be nimble have certain clean filter effect simultaneously, suitable extensive popularization.

1. Can set up the filter screen in the flange formula butterfly valve of prior art and filter the rivers that the butterfly valve passes through, and this kind of filter screen is fixed in the valve plate outside mostly, and the filter screen of this kind of fixed is difficult for dismantling the change after long-term the use, and the filter screen that can't change can influence the filterability of butterfly valve, for this reason, we provide a flange formula butterfly valve with clean filter effect.

2. The flange type butterfly valve in the prior art is internally provided with a simple filter screen, the filter screen is simple in structure and poor in filtering performance, water flow passing through the flange type butterfly valve cannot be filtered well, and therefore the flange type butterfly valve with the cleaning and filtering effect is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flange type butterfly valve with cleaning and filtering effects, an inner connecting seat is arranged in a valve body at the rear part of a flange plate, then the snap ring is clamped towards the inner connecting seat, so that the tail cylinder at the rear end of the snap ring penetrates into the valve body from the middle part of the inner connecting seat, when the flanges at the two ends of the valve body are locked with the plate body of the external pipeline, the water flow passes through the tail cylinder in the valve body, the filter screen A and the filter screen B in the tail cylinder can filter the water flow, when the filter screen is replaced, the tail cylinder can be taken out from the flange plate for integral replacement only by disassembling the pipeline outside the flange plate, a tail cylinder is arranged in the valve body, then an activated carbon ball is filled between a filter screen A and a filter screen B of the tail cylinder, when water flow is introduced into the valve body, the double filtering structure formed by the filter screen A and the filter screen B can better filter water flowing through the valve body, and the filter screen A and the filter screen B can adsorb impurities in the water body to achieve a better filtering effect.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of flange formula butterfly valve with clean filter effect, which comprises a valve body, the both ends welding of valve body has the ring flange, and the interior fixedly connected with internal connection seat of valve body, the internal connection seat surface nestification has the snap ring, and the tail end of snap ring has the tail section of thick bamboo to run through internal connection seat and stretch into in the valve body, the inner wall middle part welding of tail section of thick bamboo has filter screen A, and the tail section of thick bamboo bottom fixedly connected with filter screen B at filter screen A rear, the tail section of thick bamboo intussuseption between filter screen A and the filter screen B is filled with the activated carbon ball.

Optionally, a rubber ring sleeve is sleeved on the surface of the tail cylinder.

Optionally, the surface of the tail cylinder is coated with a metal antirust paint.

Optionally, the body of the activated carbon sphere is a porous sphere.

The utility model has the advantages as follows:

1. the utility model discloses a set up the inner joint seat in the valve body at ring flange rear, then go the inside inner joint seat department card of snap ring, make the tailpiece of snap ring rear end penetrate in the valve body from the middle part of inner joint seat, after the ring flange at valve body both ends and the disk body locking of outside pipeline, when rivers pass through the tailpiece in the valve body, filter screen A and filter screen B in the tailpiece can filter rivers, when the filter screen is changed, only need dismantle the outside pipeline of ring flange, alright follow ring flange department and take out the tailpiece and carry out integral change, the inconvenient problem of dismantling the change of filtration of current flange formula butterfly valve has been solved.

2. The utility model discloses a set up the tail section of thick bamboo in the valve body, then pack the activated carbon ball between the filter screen A and the filter screen B of tail section of thick bamboo, when valve body department lets in rivers, the water that flows through in the double filtration that filter screen A and filter screen B constitute can the better filter valve body to the activated carbon ball of filter screen A and filter screen B to present can adsorb the impurity in the water and play better filter effect, has solved the not good problem of filter structure filter effect of current flange formula butterfly valve.

Drawings

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

Fig. 1 is an overall structure schematic diagram of a flange butterfly valve with a clean filtering effect according to the present invention.

Fig. 2 is a sectional view of a tail cylinder of a flange butterfly valve with a clean filtering effect according to an embodiment of the present invention.

In the figure: 1. a valve body; 2. a flange plate; 3. an inner connecting seat; 4. a snap ring; 5. a tail cylinder; 6. a rubber collar; 7. a filter screen A; 8. a filter screen B; 9. an activated carbon sphere.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A flange type butterfly valve with a clean filtering effect according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and fig. 2, the embodiment of the utility model provides a pair of flange formula butterfly valve with clean filter effect, including valve body 1, the both ends welding of valve body 1 has ring flange 2, and the interior fixedly connected with internal connection seat 3 of valve body 1, 3 surface nestings of internal connection seat have snap ring 4, and the tail end of snap ring 4 has a tail section of thick bamboo 5 to run through in the internal connection seat 3 stretches into valve body 1, the inner wall middle part welding of tail section of thick bamboo 5 has filter screen A7, and the 5 bottom fixedly connected with filter screen B8 of tail section of thick bamboo at filter screen A7 rear, the 5 intussuseptions of tail section of thick bamboo between filter screen A7 and the filter screen B8 are filled with activated carbon ball 9.

Illustratively, an inner connecting seat 3 is arranged in the valve body 1 behind the flange 2, then a clamping ring 4 is clamped towards the inner connecting seat 3, a tail cylinder 5 at the rear end of the clamping ring 4 penetrates into the valve body 1 from the middle part of the inner connecting seat 3, when the flanges 2 at the two ends of the valve body 1 are locked with the plate body of the external pipeline, and water flows through the tail cylinder 5 in the valve body 1, the filter screen A7 and the filter screen B8 in the tail cylinder 5 can filter the water flow, when the filter screen is replaced, the tail cylinder 5 can be taken out from the flange plate 2 for integral replacement only by disassembling the pipeline outside the flange plate 2, a tail cylinder 5 is arranged in the valve body 1, then an activated carbon ball 9 is filled between a filter screen A7 and a filter screen B8 of the tail cylinder 5, when water flows into the valve body 1, the double-filtering structure formed by the filter screen A7 and the filter screen B8 can better filter the water flowing through the valve body 1, and the activated carbon balls 9 of the filter screen A7 and the filter screen B8 can adsorb impurities in water to achieve a good filtering effect.

Referring to fig. 1-2, a rubber ring sleeve 6 is sleeved on the surface of the tail cylinder 5.

In an example, when the tail cylinder 5 penetrates through the snap ring 4, the rubber ring sleeve 6 is connected with the inner wall of the snap ring 4 on the outer side of the cylinder body, so that the tail cylinder 5 is firmly embedded with the snap ring 4.

Referring to fig. 1, the surface of the transition piece 5 is coated with a metallic rust inhibitive paint.

Illustratively, the metal rust preventive paint forms a rust preventive coating on the outside of the transition piece 5, preventing the transition piece 5 from rusting due to corrosion.

Referring to fig. 2, the body of the activated carbon sphere 9 is a porous sphere.

As an example, the porous spherical activated carbon spheres 9 have a high porosity and adsorptivity.

The utility model relates to a flange formula butterfly valve with clean filter effect, set up the internal connection seat 3 in the valve body 1 behind flange plate 2, then snap ring 4 to the internal connection seat 3 department card go, make the tail tube 5 of snap ring 4 rear end penetrate in the valve body 1 from the middle part of internal connection seat 3, after the disk body locking of the flange plate 2 at valve body 1 both ends and outside pipeline, rivers pass through the tail tube 5 in the valve body 1, filter screen A7 and filter screen B8 in the tail tube 5 can filter rivers, when the filter screen is changed, only need dismantle the pipeline outside flange plate 2, alright take out the tail tube 5 from flange plate 2 and carry out the integral change, set up tail tube 5 in the valve body 1, then pack activated carbon ball 9 between filter screen A7 and the filter screen B8 of tail tube 5, when the valve body 1 lets in rivers, the water that the dual filtration structure that filter screen A7 and filter screen B8 constitute can be better filters the water that flows through in the valve body 1, and the activated carbon balls 9 of the filter screen A7 and the filter screen B8 can adsorb impurities in water to achieve a good filtering effect.

It should be noted that, the utility model relates to a flange formula butterfly valve with clean filter effect, including valve body 1, ring flange 2, internal connection seat 3, snap ring 4, tail-cone 5, rubber lantern ring 6, filter screen A strain 7, net B8, activated carbon ball 9, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a flange formula butterfly valve with clean filter effect, includes valve body (1), its characterized in that: the welding of the both ends of valve body (1) has ring flange (2), and in valve body (1) fixedly connected with internal connection seat (3), internal connection seat (3) surface nestification has snap ring (4), and the tail end of snap ring (4) has tail section of thick bamboo (5) to run through in internal connection seat (3) stretch into valve body (1), the inner wall middle part welding of tail section of thick bamboo (5) has filter screen A (7), and tail section of thick bamboo (5) bottom fixedly connected with filter screen B (8) at filter screen A (7) rear, tail section of thick bamboo (5) intussuseption between filter screen A (7) and filter screen B (8) is filled with activated carbon ball (9).

2. A flange butterfly valve with a clean filtering effect according to claim 1, characterized in that: the surface of the tail cylinder (5) is sleeved with a rubber ring sleeve (6).

3. A flange butterfly valve with a clean filtering effect according to claim 1, characterized in that: the surface of the tail cylinder (5) is coated with metal antirust paint.

4. A flange butterfly valve with a clean filtering effect according to claim 1, characterized in that: the body of the activated carbon ball (9) is a porous ball body.