CN217381762U

CN217381762U - Improved generation bivalve is to pressing from both sides check valve foundry goods

Info

Publication number: CN217381762U
Application number: CN202221315870.4U
Authority: CN
Inventors: 罗贤龙; 季知燕; 乐勇明
Original assignee: Zhejiang Lin Jia Changlong Valve Casting Co ltd
Current assignee: Zhejiang Lin Jia Changlong Valve Casting Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-06
Anticipated expiration: 2032-05-30

Abstract

The utility model belongs to the technical field of the valve casting, concretely relates to improved generation bivalve is to pressing from both sides check valve foundry goods, including valve body, disk seat and valve clack, the valve body bottom is provided with the inlet, and the valve body top is provided with the liquid outlet, be provided with the diffluent in the middle of the inlet, the disk seat is installed on the diffluent, the valve clack is installed on the disk seat, the symmetry is provided with the butterfly plate on the valve clack, installs the rotating member in the middle of the valve clack, the sealing washer is installed to the disk seat side, the utility model discloses a setting of the fixed protruding cooperation fixed slot and the magnetic layer of disk seat is favorable to the installation and the dismantlement of disk seat, and the circular arc arch of disk seat is favorable to slowing down the wearing and tearing that the medium impact force brought, and sealing washer cooperation annular helps realizing that the fixed is firm to reinforcing is sealed the effect.

Description

Improved generation bivalve is to pressing from both sides check valve foundry goods

Technical Field

The utility model belongs to the technical field of the valve casting, concretely relates to improved generation bivalve is to pressing from both sides check valve foundry goods.

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. It belongs to the automatic valve category, also called check valve, reflux valve or isolation valve. The double flap check valve is a type of check valve that functions to allow the medium to flow in only one direction and to prevent the flow in the other direction. Typically such valves are self-actuating, with the flap opening under the pressure of a fluid flowing in one direction; when the fluid flows in the opposite direction, the valve flap is combined by the fluid pressure and the self-weight of the valve flap to act on the valve seat, thereby cutting off the flow.

The disk seat of current two lamella formula check valves is fixed, can not dismantle, and in case the disk seat receives wearing and tearing, the sealed effect of disk seat and valve clack just is difficult to guarantee, and the sealing performance of valve body influences the life of valve body, and the impact force of medium can lead to the whole certain wearing and tearing that produce of valve body under long-time accumulation simultaneously.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a dismouting disk seat of being convenient for can improve the improved generation bivalve butt clamp check valve foundry goods of sealing performance simultaneously.

The utility model provides a following technical scheme:

the utility model provides an improved generation bivalve is to pressing from both sides check valve foundry goods, includes valve body, disk seat and valve clack, the valve body bottom is provided with the inlet, and the valve body top is provided with the liquid outlet, be provided with the reposition of redundant personnel in the middle of the inlet, the disk seat is installed on the reposition of redundant personnel, the valve clack is installed on the disk seat, the symmetry is provided with the butterfly plate on the valve clack, installs the rotating member in the middle of the valve clack, the sealing washer is installed to the disk seat side.

Furthermore, the liquid inlet is provided with two runners, and the inner wall of each runner is set to be an inverted conical surface.

Furthermore, a fixing groove is formed in the shunting body, and a magnetic layer is arranged in the fixing groove.

Furthermore, the bottom of the valve seat is provided with a fixing bulge above the flow dividing body, the fixing bulge is inserted into the fixing groove, and the fixing bulge is magnetically connected with the magnetic layer.

Furthermore, one side of the valve seat, which is close to the liquid inlet, is provided with an arc bulge.

Furthermore, a ring groove is formed in the position of the sealing ring on the inner wall of the valve body, and the sealing ring is clamped in the ring groove.

Furthermore, the matching surfaces of the valve body and the valve seat are both provided with inclined wedge surfaces.

Furthermore, a positioning hole matched with the valve clack is arranged in the valve seat, the valve clack is clamped in the positioning hole, and the diameter of the positioning hole is consistent with that of the flow passage of the liquid inlet.

Further, the both sides that the valve clack is close to inlet and liquid outlet all are provided with the butterfly plate, the butterfly plate is circular-arc, and the middle height both ends are low.

Furthermore, a torsion spring is arranged in the rotating part, and sealing covers are arranged at two ends of the rotating part.

The beneficial effects of the utility model are mainly embodied in that:

1) the installation and the disassembly of the valve seat are facilitated by the arrangement that the fixing bulge of the valve seat is matched with the fixing groove and the magnetic layer, and the arc bulge of the valve seat is beneficial to reducing the abrasion caused by the impact force of the medium;

2) the sealing ring is matched with the ring groove, so that the sealing ring is firmly fixed, and the sealing effect is enhanced;

3) the butterfly plate on the valve clack is also beneficial to reducing the abrasion caused by the impact force of a medium, so that the service life of the valve clack is prolonged;

4 besides, the sealing cover helps to protect the internal parts of the rotating part and enhance the sealing effect.

Drawings

FIG. 1 is a front view, semi-sectional view of an improved two-piece, opposing-clamping check valve casting of the present invention;

figure 2 is a top half cross-sectional view of an improved two-piece opposing check valve casting of the present invention.

The figures are labeled as follows:

1-a valve body; 2-a shunt; 3-liquid inlet; 4-ring groove; 5-sealing ring; 6-valve seat; 7-arc bulge; 8-valve clack; 9-fixing the projection; 10-a liquid outlet; 11-a fixed slot; 12-a sealing cover; 13-a butterfly plate; 14-a magnetic layer; 15-tapered wedge shaped face.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

Combine shown in fig. 1-2, an improved generation bivalve to pressing from both sides check valve foundry goods, including valve body 1, disk seat 6 and valve clack 8, 1 bottom of valve body is provided with inlet 3, and 1 top of valve body is provided with liquid outlet 10, be provided with branch fluid 2 in the middle of the inlet 3, disk seat 6 is installed on branch fluid 2, valve clack 8 is installed on disk seat 6, the symmetry is provided with butterfly plate 13 on the valve clack 8, installs the rotating member in the middle of the valve clack 8, sealing washer 5 is installed to 6 sides of disk seat.

Specifically, inlet 3 branch is equipped with two runners, and the runner inner wall sets up to the back taper face, and in liquid medium got into valve body 1 through inlet 3, and being provided with of runner did benefit to and reduces liquid impact force, inside the protection valve body 1.

Specifically, a fixing groove 11 is formed in the shunt body 2, and a magnetic layer 14 is arranged in the fixing groove 11; the bottom of the valve seat 6 is located above the flow dividing body 2 and is provided with a fixing protrusion 9, the fixing protrusion 9 is inserted into the fixing groove 11, the fixing protrusion 9 is magnetically connected with the magnetic layer 14, the valve seat 6 is convenient to mount and dismount through the magnetic layer 14, once the valve seat 6 is seriously abraded, the whole valve body 1 does not need to be replaced, only the valve seat 6 needs to be replaced, and the magnetic connection enables the disassembly and assembly efficiency of the valve seat 6 to be improved.

Specifically, the circular arc protrusion 7 is arranged on one side of the valve seat 6 close to the liquid inlet 3, so that the valve seat is favorable for resisting the impact force of a medium, and the wear rate of the valve seat 6 is reduced.

Specifically, annular groove 4 has been seted up to 5 departments of sealing washer on the 1 inner wall of valve body, and 5 joints of sealing washer are in annular groove 4, and sealing washer 5 is provided with and does benefit to and improves 1 internal seal effect of valve body.

Specifically, the matching surfaces of the valve body 1 and the valve seat 6 are both provided with tapered surfaces 15, so that the valve body 1 and the valve seat 6 are sealed and tight at the opening and closing moment.

Specifically, a positioning hole matched with the valve clack 8 is formed in the valve seat 6, the valve clack 8 is clamped in the positioning hole, the diameter of the positioning hole is consistent with that of the flow channel of the liquid inlet 3, and the valve clack 8 is opened and closed on the valve seat 6 to achieve flowing of liquid media.

Specifically, the both sides that valve clack 8 is close to inlet 3 and liquid outlet 10 all are provided with butterfly plate 13, butterfly plate 13 is circular-arcly, and high both ends are low in the middle of, and butterfly plate 13's circular-arcly is favorable to slowing down liquid medium's impact force, plays fine sealed effect simultaneously.

Specifically, the inside torsional spring that is provided with of rotating member, rotating member cooperation torsional spring realize the valve clack 8 at the opening and shutting of disk seat 6, and the rotating member both ends are provided with sealed cowling 12, and sealed cowling 12 is favorable to protecting the rotating member internals, plays sealed effect simultaneously.

The utility model discloses a concrete theory of operation as follows:

after letting in the medium in inlet 3, be favorable to reducing the impact force through reposition of redundant personnel 2 cooperation runner, in medium gets into valve body 1, valve clack 8 is opened automatically to medium cooperation rotating member, realizes the circulation of medium for the medium flows from liquid outlet 10, and when the impact force of medium was less than the elastic force of rotating member or no longer lets in the medium, valve clack 8 kick-backs automatically and closes, realizes cutting off of medium, stops flowing.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solutions and inventive concepts provided by the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an improved generation bivalve is to pressing from both sides check valve foundry goods, includes valve body (1), disk seat (6) and valve clack (8), its characterized in that: valve body (1) bottom is provided with inlet (3), and valve body (1) top is provided with liquid outlet (10), be provided with branch fluid (2) in the middle of inlet (3), install on branch fluid (2) disk seat (6), install on disk seat (6) valve clack (8), the symmetry is provided with butterfly plate (13) on valve clack (8), installs the rotating member in the middle of valve clack (8), sealing washer (5) are installed to disk seat (6) side.

2. An improved two-piece, double-clamp check valve casting as defined in claim 1, wherein: the liquid inlet (3) is provided with two runners, and the inner walls of the runners are arranged to be inverted conical surfaces.

3. An improved casting of a dual-petal butt-clamped check valve as set forth in claim 1, wherein: a fixing groove (11) is formed in the shunt body (2), and a magnetic layer (14) is arranged in the fixing groove (11).

4. An improved two-piece, double-clamp check valve casting as defined in claim 3, wherein: the bottom of the valve seat (6) is provided with a fixing protrusion (9) above the shunting body (2), the fixing protrusion (9) is inserted into the fixing groove (11), and the fixing protrusion (9) is magnetically connected with the magnetic layer (14).

5. An improved two-piece, double-clamp check valve casting as defined in claim 1, wherein: and an arc bulge (7) is arranged on one side of the valve seat (6) close to the liquid inlet (3).

6. An improved two-piece, double-clamp check valve casting as defined in claim 1, wherein: an annular groove (4) is formed in the position of a sealing ring (5) on the inner wall of the valve body (1), and the sealing ring (5) is clamped in the annular groove (4).

7. An improved two-piece, double-clamp check valve casting as defined in claim 1, wherein: and the matching surfaces of the interior of the valve body (1) and the valve seat (6) are provided with tapered wedge surfaces (15).

8. An improved two-piece, double-clamp check valve casting as defined in claim 2, wherein: the valve seat (6) is internally provided with a positioning hole matched with the valve clack (8), the valve clack (8) is clamped in the positioning hole, and the diameter of the positioning hole is consistent with the diameter of a flow passage of the liquid inlet (3).

9. An improved two-piece, double-clamp check valve casting as defined in claim 1, wherein: the two sides of the valve clack (8) close to the liquid inlet (3) and the liquid outlet (10) are provided with butterfly plates (13), the butterfly plates (13) are arc-shaped, and the middle of each butterfly plate is high, and the two ends of each butterfly plate are low.

10. An improved two-piece, double-clamp check valve casting as defined in claim 1, wherein: a torsion spring is arranged in the rotating part, and sealing covers (12) are arranged at two ends of the rotating part.