CN211951554U

CN211951554U - Ball check valve

Info

Publication number: CN211951554U
Application number: CN202020463616.3U
Authority: CN
Inventors: 周溢泉; 周思源; 周翔; 金丽宁; 王炳占
Original assignee: Zhejiang Huachen Valve Co ltd
Current assignee: Zhejiang Huachen Valve Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-17
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a ball check valve, which comprises a housin, the casing is the assembled structure, and the casing includes left casing and right casing, and the one end of left casing is equipped with the entrance point, and the other end of left casing is equipped with closure flap, is equipped with the feed port on the closure flap, and the feed port is equipped with two at least, and feed port department is equipped with the detachable valve body, is equipped with the floater in the valve body, is equipped with the chamber that holds the floater that rises on the valve body, is equipped with the opening on the valve body, and the opening part is equipped with the detachable valve gap, and the bottom of. Compared with the prior art, the utility model the advantage lie in: the valve body is detachably connected with the left shell, the valve body is convenient to replace, the accommodating cavity is formed in the valve body, the floating ball can conveniently move, the valve cover can be detached, the damaged floating ball can be conveniently replaced, and the arc-shaped groove prevents the floating ball from violently colliding with the valve body; the service life is prolonged.

Description

Ball check valve

Technical Field

The utility model relates to the technical field of valves, specifically indicate a ball check valve.

Background

The working principle of the ball valve is to rotate the valve core to open or close the valve. The ball valve switch is light, small in size, reliable in sealing, simple in structure and convenient to maintain, can be made into a large-caliber ball valve, a sealing surface and a spherical surface are always in a closed state, and are not easily eroded by a medium, so that the ball valve switch is widely applied to various industries. Ball valves are classified into two types, namely a floating ball type ball valve and a fixed ball type ball valve. The check valve is a valve which is automatically opened and closed by the self-power of fluid and has the function of preventing media from flowing backwards. It is known by many names, such as check valve, single flow gate, etc. The existing ball check valve is only suitable for a one-in-one-out structure, and has no temporary method for processing multiple flow passages.

The existing check valve is only suitable for an one-in-one-out structure, and has no temporary method for processing multiple flow passages. Patent number CN 204267800U's application, through dividing into preceding valve body and back valve body with the valve body, but be the welding between the ball cover of this application and the preceding valve body, wear and tear appears easily after long-time use when the floater, inconvenient dismouting carries out, the cost is with high costs, and life is short, and in addition, the structure of dysmorphism conical body leads to the runner to seriously receive the hindrance, and the operation route of ball valve is optimized inadequately, makes a round trip to remove in the runner, and floater wear rate is higher.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a ball check valve.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a ball check valve, includes the casing, the casing is the assembled structure, the casing includes left casing and right casing, the one end of left side casing is equipped with the entrance point, the other end of left side casing is equipped with closure flap, closure flap and left casing formula structure as an organic whole, the last feed port that is equipped with of closure flap, the feed port is equipped with two at least, feed port department is equipped with the detachable valve body, be equipped with the floater in the valve body, be equipped with the chamber that holds the floater that rises on the valve body, be equipped with the opening on the valve body, the opening with hold the chamber intercommunication, the opening part is equipped with the detachable valve gap, the bottom of valve body is equipped with the direction muscle, the one end of right side casing is equipped with the exit end.

As a modification, the left shell and the right shell are connected through bolts.

As an improvement, the inlet end and the outlet end are connected by flanges.

As an improvement, the feeding hole is a stepped hole, one side of the feeding hole, facing the inlet end, is a small-aperture end, and one side of the feeding hole, far away from the inlet end, is a large-aperture end.

As an improvement, the diameter of the floating ball is larger than that of the valve body pipeline.

As an improvement, an arc-shaped groove matched with the upper edge of the floating ball is arranged on the valve cover.

Compared with the prior art, the utility model the advantage lie in: the valve body is detachably connected with the left shell, the valve body is convenient to replace, the accommodating cavity is formed in the valve body, the floating ball can conveniently move, the valve cover can be detached, the damaged floating ball can be conveniently replaced, and the arc-shaped groove prevents the floating ball from violently colliding with the valve body; the service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of the ball check valve of the present invention.

Fig. 2 is a schematic structural diagram of a valve body of the ball check valve of the present invention.

As shown in the figure: 1. the device comprises a shell, 2, a left shell, 3, a right shell, 4, an inlet end, 5, a sealing baffle, 6, a feeding hole, 7, a valve body, 8, a floating ball, 9, an accommodating cavity, 10, a valve cover, 11, a guide rib, 12, an outlet end, 13 and an arc-shaped groove.

Detailed Description

The ball check valve of the present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawings, a ball check valve comprises a shell 1, wherein the shell 1 is of an assembly structure, the shell 1 comprises a left shell 2 and a right shell 3, the left shell 2 is connected with the right shell 3 through bolts, one end of the left shell 2 is provided with an inlet end 4, the other end of the left shell 2 is provided with a sealing baffle 5, the sealing baffle 5 and the left shell 2 are of an integral structure, the sealing baffle 5 is provided with at least two feeding holes 6, the feeding holes 6 are stepped holes, one side of the feeding hole 6, which faces the inlet end 4, is a small-bore end, one side of the feeding hole 6, which is far away from the inlet end 4, is a large-bore end, a detachable valve body 7 is arranged at the feeding hole 6, a floating ball 8 is arranged in the valve body 7, the diameter of the floating ball 8 is larger than that of a valve body pipeline, a containing cavity 9 for containing the rising floating, the opening part is equipped with detachable valve gap 10, is equipped with the anastomotic arc wall 13 of upper edge with floater 8 on the valve gap 10, and the bottom of valve body 7 is equipped with direction muscle 11, and the one end of right casing 3 is equipped with exit end 12, and entrance point 4 and exit end 12 are flange joint, are equipped with seal ring between left side casing 2 and the right casing 3.

When the valve body is implemented specifically, when the valve body is used, the floating ball is placed along the opening of the valve body, then the valve cover is assembled with the valve body, one end of the assembled valve body is tightly attached to the sealing baffle, the manipulator goes deep from the inlet end of the left shell, the valve body is fixed through the bolt, then the left shell and the right shell are assembled and combined, the assembled structure is convenient to disassemble and assemble, the maintenance is facilitated, the valve body is detachably connected with the left shell, and the valve body is convenient to replace; water enters from the inlet end of the left shell, the floating ball is lifted into the accommodating cavity along the feeding hole, the floating ball and the water flow are not on the same interface, sufficient space is reserved, the flow resistance is not large, the water flow flows out along the other end of the valve body, and when the water enters from the right end, the floating ball blocks the feeding hole to realize the flow stopping; the valve body is provided with a containing cavity which is convenient for the floating ball to move, the valve cover can be disassembled, the damaged floating ball can be conveniently replaced, and the arc-shaped groove prevents the floating ball from violently colliding with the valve body; the service life is prolonged.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A ball check valve, its characterized in that: comprises a shell (1), the shell (1) is of an assembly type structure, the shell (1) comprises a left shell (2) and a right shell (3), one end of the left shell (2) is provided with an inlet end (4), the other end of the left shell (2) is provided with a closed baffle (5), the closed baffle (5) and the left shell (2) are of an integral structure, the closed baffle (5) is provided with a feed hole (6), at least two feed holes (6) are arranged, a detachable valve body (7) is arranged at the feed hole (6), a floating ball (8) is arranged in the valve body (7), a containing cavity (9) for containing the rising floating ball (8) is arranged on the valve body (7), an opening is arranged on the valve body (7), the opening is communicated with the containing cavity (9), a detachable valve cover (10) is arranged at the opening, a guide rib (11) is arranged at the bottom end of the valve body (7), an outlet end (12) is arranged at one end of the right shell (3), and a sealing gasket is arranged between the left shell (2) and the right shell (3).

2. The ball check valve as claimed in claim 1, wherein: the left shell (2) is connected with the right shell (3) through bolts.

3. The ball check valve as claimed in claim 1, wherein: the inlet end (4) and the outlet end (12) are connected through flanges.

4. The ball check valve as claimed in claim 1, wherein: the feeding hole (6) is a stepped hole, one side of the feeding hole (6) facing the inlet end (4) is a small-bore end, and one side of the feeding hole (6) far away from the inlet end (4) is a large-bore end.

5. The ball check valve as claimed in claim 1, wherein: the diameter of the floating ball (8) is larger than that of the valve body pipeline.

6. The ball check valve as claimed in claim 1, wherein: the valve cover (10) is provided with an arc-shaped groove (13) which is matched with the upper edge of the floating ball (8).