CN220980402U - Automatic control type lifting flap valve - Google Patents

Abstract

The utility model discloses an automatic control type lifting flap valve, which relates to the technical field of flap valves and comprises a pipe body, wherein a connecting flange is arranged at the rear end of the pipe body, a door frame is arranged at the front end of the pipe body, a symmetrical supporting frame is arranged on the door frame, a rotating shaft is arranged on the supporting frame, a connecting frame is arranged on the rotating shaft, a door body is arranged on the connecting frame, symmetrical lifting cavities are arranged on two sides of the door frame, a buoy is arranged in each lifting cavity, a stabilizing sleeve is arranged at the upper end of each lifting cavity, lifting columns are fixedly arranged at positions corresponding to the stabilizing sleeves, vertically upwards penetrate through the stabilizing sleeves, clamping plates extending backwards are fixedly arranged at the top ends of the lifting columns, two sides of the rotating shaft extend to the lifting columns and are fixedly provided with extension shafts, and the other ends of the extension shafts extend to the positions between the clamping plates and are provided with push rods through the rotating shafts. The utility model has simple structure, when the water level at the flap valve rises and a backflow phenomenon occurs, the flap valve is automatically closed by buoyancy brought by the water surface, and the utility model has strong practicability and is suitable for popularization.

Description

Automatic control type lifting flap valve

Technical Field

The utility model belongs to the technical field of flap valves, and particularly relates to an automatic control lifting flap valve.

Background

The flap valve is suitable for various pipelines in various water supply and drainage and sewage treatment projects and water outlet pipes of water pumps, and can be used for overflow and non-return in outflow wells and channels in pump stations and also can be used for various shaft well covers. When the water level is too high, the flap valve needs to be manually closed to prevent backflow.

In the existing flap valves, most of the flap valves are manually closed, so that the workload is increased, the water level needs to be paid attention to manually, the flap valve cost and the technical requirement of automatic opening and closing are high, and faults are easy to occur.

Disclosure of utility model

The utility model aims to provide an automatic control type lifting flap valve which is simple in structure, strong in practicability and suitable for popularization, and the flap valve is automatically closed by buoyancy brought by the water surface when the water level at the flap valve rises and a backflow phenomenon occurs.

The utility model provides the following technical scheme: the self-control lifting flap valve comprises a pipe body, wherein a connecting flange is fixedly arranged at the rear end of the pipe body, a door frame is fixedly arranged at the front end of the pipe body, a symmetrical supporting frame is fixedly arranged at the upper end of the door frame, a rotating shaft is arranged on the supporting frame in a penetrating manner, a connecting frame attached to the supporting frame is fixedly arranged on the rotating shaft, and a door body is fixedly arranged on the connecting frame;

The lifting device comprises a door frame, wherein two sides of the door frame are fixedly provided with symmetrical lifting cavities, a buoy is arranged in the lifting cavities in a sliding mode, through holes are formed in the upper ends of the lifting cavities, a stabilizing sleeve is fixedly arranged at the top ends of the lifting cavities, the shape of the buoy is matched with the cross-section shape of the lifting cavities, lifting columns are fixedly arranged at the positions of the stabilizing sleeve corresponding to the buoys, the lifting columns vertically upwards penetrate through the stabilizing sleeve, clamping plates extending backwards are fixedly arranged at the top ends of the lifting columns, extension shafts are fixedly arranged at the positions of the lifting columns on two sides of a rotating shaft, and pushing rods are arranged between the clamping plates and at the positions of the other ends of the extension shafts through rotating shafts.

Preferably, the push rod is inserted into and slidably connected to a clamping plate having a length greater than the length of the extension shaft.

Preferably, a sealing ring matched with the opening of the door body is fixedly arranged on one side of the door body corresponding to the door frame, and a handle is fixedly arranged at the bottom of the door body.

Preferably, the inner wall of the lifting cavity is provided with friction force, the magnitude of the friction force is matched with the weight of the door body, and when the door body is opened, the float is positioned at the bottom of the lifting cavity and is kept in a standing state.

The utility model has the beneficial effects that: simple structure, when clapping the department water level and rising, can appear the backward flow phenomenon, the buoyancy that brings through the surface of water is automatic to be closed clapping the door, and the practicality is strong, specifically as follows:

The utility model is provided with the lifting column, the flap valve is fixed at the outlet of the pipeline through the connecting flange, the door body is opened through the handle, at the moment, the float is positioned at the bottom of the lifting cavity, the door body is kept in an open state through the friction force of the float, the normal working state is carried out, when the water surface rises, the float is pushed to rise in the lifting cavity, when the float rises, the lifting column is driven to rise, the clamping plate on the lifting column drives the push rod to rise, in the rising process of the push rod, the rotary shaft is driven to rotate by taking the rotary shaft as a circle center point, the rotary shaft is driven to rotate, the door body is driven to be closed, and when the water is swelled, the flap valve is automatically closed.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of the lift chamber of the present utility model;

Marked in the figure as: 1. a tube body; 2. a door frame; 3. a connecting flange; 4. a support frame; 5. a rotation shaft; 6. a connecting frame; 7. a door body; 8. a handle; 9. a lifting cavity; 10. lifting columns; 11. a through hole; 12. a clamping plate; 13. an extension shaft; 14. a push rod; 15. a closed loop; 16. a float; 17. a stabilizing sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The structural features of the present utility model will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, an automatic control type lifting flap valve comprises a pipe body 1, wherein a connecting flange 3 is fixedly arranged at the rear end of the pipe body 1, the flap valve is fixed on an external pipeline through the connecting flange 3, a door frame 2 is fixedly arranged at the front end of the pipe body 1, a symmetrical supporting frame 4 is fixedly arranged at the upper end of the door frame 2, a rotating shaft 5 is arranged on the supporting frame 4 in a penetrating manner, a connecting frame 6 attached to the supporting frame 4 is fixedly arranged on the rotating shaft 5, the supporting frame 4 is driven to rotate through the rotating shaft 5, the opening and closing of the door body 7 are controlled, a door body 7 is fixedly arranged on the connecting frame 6, a sealing ring 15 matched with the opening of the door body 7 is fixedly arranged on one side of the door body 7 corresponding to the door frame 2, the flap valve is sealed through the door body 7, sealing is realized through the sealing ring 15, a handle 8 is fixedly arranged at the bottom of the door body 7, and the door body 7 is manually opened through the handle 8.

Referring to fig. 1 and 3, symmetrical lifting cavities 9 are fixedly arranged on two sides of a door frame 2, sliding tracks of a buoy 16 are provided through the lifting cavities 9, the buoy 16 is arranged in the lifting cavities 9 in a sliding manner, through holes 11 are formed in the upper ends of the lifting cavities 9, air pressure in the lifting cavities 9 is balanced through the through holes 11, a stabilizing sleeve 17 is fixedly arranged at the top ends of the lifting cavities 9, the shape of the buoy 16 is matched with the cross section of the lifting cavities 9, lifting columns 10 are fixedly arranged at the positions of the stabilizing sleeves 17 corresponding to the buoys 16, the lifting columns 10 are driven to lift by buoyancy through the buoys 16, the lifting columns 10 vertically upwards penetrate through the stabilizing sleeves 17 so as to keep translation in the vertical direction, clamping plates 12 which extend backwards are fixedly arranged at the top ends of the lifting columns 10, two sides of a rotating shaft 5 extend to the lifting columns 10 and are fixedly provided with extension shafts 13, required thrust force is small, push rods 14 are arranged at the other ends of the extension shafts 13 to extend to positions between the clamping plates 12 and are inserted into the clamping plates 12 through the rotating shafts, the push rods 14 are connected with the clamping plates in a sliding manner, the push rods 14 are driven by the 12 to move, the push rods 14 are driven to do circular motion, and when the push rods 14 move circularly, the push rods 14 can do movement in the circumferential motion, and the length of the sliding rods 12 can be prevented from moving in the clamping plates 12 and the length of the clamping plates 12 is greater than the length of the clamping plates 12.

Referring to fig. 3, the float 16 has a friction force on the inner wall of the lifting cavity 9, and the magnitude of the friction force matches the weight of the door 7, so that when the door 7 is opened, the float 16 is positioned at the bottom of the lifting cavity 9 and is kept in a static state.

The self-control lifting flap valve is simple in structure, strong in practicability and suitable for popularization, and the flap valve is automatically closed by buoyancy brought by the water surface when the water level at the flap valve rises and a backflow phenomenon occurs.

When the lifting device is specifically used, referring to fig. 1-3, the flap valve is fixed at the outlet of the pipeline through the connecting flange 3, the door body 7 is opened through the handle, the float 16 is positioned at the bottom of the lifting cavity 9, the door body 7 is kept in an open state through friction force of the float 16, a normal working state is carried out, when the water surface rises, the float 16 is pushed to rise in the lifting cavity 9, when the float 16 rises, the lifting column 10 is driven to rise, the clamping plate 12 on the lifting column 10 drives the push rod 14 to rise, in the rising process of the push rod 14, the push rod takes the rotary shaft 5 as a center point to do circular motion, the rotary shaft 5 is driven to rotate, and the rotary shaft 5 is driven to rotate to drive the door body 7 to be closed.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. The utility model provides a self-control formula lift flap valve, includes body (1), the rear end of body (1) is fixed and is equipped with flange (3), the fixed door frame (2) that is equipped with in body (1) front end, a serial communication port, the upper end of door frame (2) is fixed and is equipped with symmetrical support frame (4), run through on support frame (4) and be equipped with rotation axis (5), be equipped with on rotation axis (5) fixedly link (6) of laminating on support frame (4), be equipped with door body (7) on link (6) fixedly;

The lifting device is characterized in that symmetrical lifting cavities (9) are fixedly arranged on two sides of the door frame (2), a buoy (16) is arranged in the lifting cavities (9), through holes (11) are formed in the upper ends of the lifting cavities (9), a stabilizing sleeve (17) is fixedly arranged at the top ends of the lifting cavities (9), lifting columns (10) are fixedly arranged at the positions, corresponding to the stabilizing sleeves (17), of the buoys (16), the lifting columns (10) vertically penetrate through the stabilizing sleeves (17), clamping plates (12) extending backwards are fixedly arranged at the top ends of the lifting columns (10), extension shafts (13) are fixedly arranged at the positions, extending between the clamping plates (12), of the other ends of the extension shafts (13), and push rods (14) are arranged through the rotating shafts.

2. A self-controlled lift flap valve according to claim 1, characterized in that the push rod (14) is inserted into and slidingly connected to the clamping plate (12), the length of the clamping plate (12) being greater than the length of the extension shaft (13).

3. The self-control lifting flap valve according to claim 1, wherein a sealing ring (15) matched with the opening of the door body (7) is fixedly arranged on one side of the door body (7) corresponding to the door frame (2), and a handle (8) is fixedly arranged at the bottom of the door body (7).

4. The self-control lifting flap valve according to claim 1, wherein the float (16) has friction force on the inner wall of the lifting cavity (9), and the magnitude of the friction force is matched with the weight of the door body (7), so that when the door body (7) is opened, the float (16) is positioned at the bottom of the lifting cavity (9) and is kept in a static state.