CN210315947U

CN210315947U - Buoyancy tank flap valve

Info

Publication number: CN210315947U
Application number: CN201921141836.8U
Authority: CN
Inventors: 蒋涛
Original assignee: Sunshine Environmental Protection Technology Shanghai Co ltd
Current assignee: Sunshine Environmental Protection Technology Shanghai Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-14
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a flotation tank claps door, include: the door seat assembly comprises a door seat body, wherein a first disc body is welded on the front surface of the door seat body, and plate bodies are symmetrically arranged on the outer side wall of the first disc body; the rotating assembly is arranged on the front surface of the plate body; the door body assembly comprises a door body, the rotating assembly is fixedly connected with the door body, a second disc body is welded at the rear end of the door body, a water inlet pipe and a water outlet pipe are symmetrically arranged on the outer side wall of the door body, and an inner container is arranged at the rear end of the door body. The first limiting block and the second limiting block are respectively arranged at the positions where the flap valve is opened and closed in place and are used as soft mechanical limiting, so that the opening angle of the flap valve can be fixed under the condition that the water inlet pressure fluctuates, the water head loss is reduced to the minimum, and the energy consumption loss is reduced; when the flap valve is closed, the sealing part is arranged to ensure that the flap valve can be closed in place, so that the flap valve is well sealed, and water body leakage is avoided.

Description

Buoyancy tank flap valve

Technical Field

The utility model relates to a technical field who has articulated closed component specifically is flotation tank flap valve.

Background art:

the flotation tank flap valve mainly comprises door frame, the flotation tank door body (this door body is a bit more than the water specific gravity and opens the flood peak minimum in aqueous), round pin axle, sealing washer etc. in pipeline drainage works such as water conservancy, municipal administration, harbour, pier, need a one-way drainage device, uses duckbill valve one-way drainage usually, but because duckbill rubber uses for a long time, causes fatigue aging easily, makes the duckbilled be in normally open state, loses one-way stagnant water effect, causes the harm of the reverse inflow drainage pipe of rivers.

The prior art has the following problems:

1. the flap valve of the existing common buoyancy tank is generally suspended and freely rises and falls, and the opening angle of the flap valve cannot be controlled, so that the opening angle of the flap valve is greatly influenced by the self weight of the flap valve, and if the self weight of the flap valve is designed to be too large, the opening speed is low, the angle is small, the fluid resistance is large, and the energy loss is increased;

2. if the flap valve is designed to be too light, the opening angle is too large, the time for closing the flap valve by stopping the pump is too long, the water body generates a backflow phenomenon, and the door body can generate a great acceleration to close under the action of the force, so that the door frame is violently impacted, and equipment is easily damaged.

The utility model has the following contents:

an object of the utility model is to provide a flotation tank flap valve, in order to solve and to propose among the above-mentioned background art that the flotation tank flap valve commonly used at present generally is the suspension type and freely rises and falls, the opening angle of uncontrollable flap valve, make flap valve opening angle receive flap valve's dead weight influence great, it is slow to lead to opening speed if flap valve dead weight design is too big, the angle is little, make the fluid resistance big, energy loss increases and can lead to opening angle too big if flap valve design is too light, the time overlength of closing the door of pump stop, the water produces the phenomenon of flowing backwards, the door body is under this power of effort, can produce a very big acceleration and close, violent striking door frame, lead to the problem of equipment damage easily.

The utility model discloses by following technical scheme implement: this flotation tank claps door includes:

the door seat assembly comprises a door seat body, wherein a first disc body is welded on the front surface of the door seat body, and plate bodies are symmetrically arranged on the outer side wall of the first disc body;

the rotating assembly is arranged on the front surface of the plate body;

the door body assembly comprises a door body, the rotating assembly is fixedly connected with the door body, a second disc body is welded at the rear end of the door body, a water inlet pipe and a water outlet pipe are symmetrically arranged on the outer side wall of the door body, and an inner container is arranged at the rear end of the door body;

the limiting assembly comprises a first limiting block and a second limiting block, the second limiting block is fixed on the front surface of the plate body, the door body is symmetrically arranged on the second limiting block along a vertical central line, when the door body is opened at a maximum angle, the first limiting block extrudes the second limiting block, and the door body is opened at a maximum angle of 73 degrees.

As further preferable in the present technical solution: the front surface of the first tray body is provided with a sealing part, and the first tray body and the second tray body are sealed through the sealing part.

As further preferable in the present technical solution: and a containing cavity is formed between the door body and the inner container, and the containing cavity is respectively communicated with the water outlet pipe and the inner container.

As further preferable in the present technical solution: and a second lifting lug is symmetrically welded on the front surface of the door body.

As further preferable in the present technical solution: the rear end welding of door seat body has the ring flange, the lateral wall top welding of first disk body has first lug.

As further preferable in the present technical solution: the rotating assembly comprises a fixed plate, a pin shaft and a nut, the fixed plate is fixed with the plate body through a bolt, a rotary seat is welded at the front end of the fixed plate, the inner side wall of the rotary seat is rotated to connect a rod sleeve, a connecting piece is arranged on the inner side wall of the rod sleeve, the pin shaft penetrates through the rod sleeve and the connecting piece, and the nut is arranged between the pin shaft and the rotary seat.

The utility model has the advantages that:

1. the first limiting block and the second limiting block are respectively arranged at the positions where the flap valve is opened and closed in place and are used as soft mechanical limiting, so that the opening angle of the flap valve can be fixed under the condition that the water inlet pressure fluctuates, the water head loss is reduced to the minimum, and the energy consumption loss is reduced; when the flap valve is closed, the sealing part is arranged to ensure that the flap valve can be closed in place, so that the flap valve is well sealed, and water body leakage is avoided.

2. The utility model discloses according to the time that the flap valve was opened, was closed, through the inlet tube at the appearance intracavity artificial water injection of flap valve, adjust the self weight of flap valve to adjust the time of opening, closing of flap valve, obtain an ideal effect, alleviateed fluidic resistance promptly, avoided the emergence of the water condition of flowing backward again.

Description of the drawings:

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

Fig. 1 is a perspective view of the present invention:

fig. 2 is a rear view of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention;

fig. 4 is an enlarged schematic view of the point B in fig. 2 according to the present invention.

In the figure: 10. a door seat assembly; 11. a flange plate; 12. a door seat body; 13. a first tray body; 131. a sealing part; 14. a plate body; 15. a first lifting lug; 20. a rotating assembly; 21. a connecting member; 22. a rod sleeve; 23. a pin shaft; 24. a nut; 25. a fixing plate; 26. rotating; 30. a door body assembly; 31. a second tray body; 32. a door body; 33. a second lifting lug; 34. a water outlet pipe; 35. a water inlet pipe; 36. an inner container; 40. a limiting component; 41. a first stopper; 42. and a second limiting block.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: this flotation tank claps door includes:

the door seat assembly 10 comprises a door seat body 12, wherein a first disc body 13 is welded on the front surface of the door seat body 12, and plate bodies 14 are symmetrically arranged on the outer side wall of the first disc body 13;

a rotating assembly 20 disposed on a front surface of the plate body 14;

the door body assembly 30 comprises a door body 32, the rotating assembly 20 is fixedly connected with the door body 32, the rear end of the door body 32 is welded with a second disc body 31, the outer side wall of the door body 32 is symmetrically provided with a water inlet pipe 35 and a water outlet pipe 34, and the rear end of the door body 32 is provided with an inner container 36;

the limiting assembly 40 comprises a first limiting block 41 and a second limiting block 42, the second limiting block 42 is fixed on the front surface of the plate body 14, the door body 32 is symmetrically arranged with a vertical central line, the second limiting block 42 is arranged, when the door body 32 is opened to a maximum angle, the first limiting block 41 extrudes the second limiting block 42, and the maximum angle of the door body 32 is 72 degrees.

In this embodiment, specifically: a sealing portion 131 is provided on a front surface of the first tray 13, and the first tray 13 and the second tray 31 are sealed by the sealing portion 131; by the arrangement of the sealing part 131, the door body 32 can be closed in place, so that the door body 32 is well sealed, and water leakage is avoided.

In this embodiment, specifically: a cavity is formed between the door body 32 and the inner container 36, and the cavity is respectively communicated with the water outlet pipe 34 and the inner container 36; utilize inlet tube 35 to the interior slow water injection of chamber of door body 32, the test of opening and close many times simultaneously, observe the sealing condition of door body group spare 30, rivers pass through the condition, whether door body 32 striking dynamics flows backward when closing etc. occasionally, adjust the speed of opening and close of door body 32 through adjusting the water injection volume, adjust the opening angle that the spacing position of opening the door adjusted door body 32, adjust the spacing position of closing the door and control striking dynamics and leakproofness, it satisfies the best applicable condition on scene to find a suitable weight and opening angle, satisfy the best time of opening and close, realize smooth action, it is sealed rigorous, rivers pass through efficiency maximize, it is fit for not to flow backward the phenomenon and the dynamics of closing the door.

In this embodiment, specifically: the second lifting lugs 33 are symmetrically welded on the front surface of the door body 32; the door body 32 can be conveniently carried by the second lifting lug 33.

In this embodiment, specifically: the rear end of the door seat body 12 is welded with a flange plate 11, and the top of the outer side wall of the first flange plate 13 is welded with a first lifting lug 15; the installation of the door seat body 12 on the corresponding equipment is facilitated by the arrangement of the first lifting lug 15.

In this embodiment, specifically: the rotating assembly 20 comprises a fixing plate 25, a pin 23 and a nut 24, the fixing plate 25 and the plate body 14 are fixed through bolts, a rotating seat 26 is welded at the front end of the fixing plate 25, the inner side wall of the rotating seat 26 is rotatably connected with a rod sleeve 22, a connecting piece 21 is arranged on the inner side wall of the rod sleeve 22, the pin 23 penetrates through the rod sleeve 22 and the connecting piece 21, and the nut 24 is arranged between the pin 23 and the rotating seat 26; the connecting piece 21 is connected with the door body 32, the connecting piece 21 is of a rod body structure, when the door body 32 is opened, the connecting piece 21 drives the rod sleeve 22 to rotate in the rotary seat 26, the rotating direction of the door body 32 is limited, and when the rod sleeve 22 rotates, the rod sleeve 22 is limited in the rotary seat 26 through the matching of the pin shaft 23 and the nut 24.

In this embodiment, the first stopper 41 and the second stopper 42 are made of rubber, the sealing portion 131 is of an annular structure and made of rubber, the cross section of the sealing portion 131 is of a trapezoidal structure, and when the second tray body 31 extrudes the first tray body 13, two sides of the sealing portion 131 expand, so that a sealing effect is achieved.

The working principle is as follows: the water inlet pipe 35 is utilized to slowly inject water into the cavity of the door body 32, meanwhile, the opening and closing tests are carried out for a plurality of times, the sealing condition of the door body assembly 30, the water flow passing condition, whether the impact force of the door body 32 flows backwards when being closed or not and the like are observed, the opening and closing speed of the door body 32 is adjusted by adjusting the water injection amount, the opening and closing position of the door body 32 is adjusted, the impact force and the sealing property are controlled by adjusting the position of the door closing position, the optimal application condition on site is met by finding out an appropriate weight and opening angle, the optimal opening and closing time is met, smooth action, strict sealing is realized, the water flow passing efficiency is maximized, the backflow phenomenon is avoided, the door closing force is appropriate, when a user opens the door body 32, the door body 32 is opened to 73 degrees, the second limiting block 42 can extrude the first limiting block 41, and the door body, the opening angle of the flap valve can be fixed under the condition that the water inlet pressure fluctuates, so that the water head loss is reduced to the minimum.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A buoyancy tank flap valve, comprising:

the door seat assembly (10) comprises a door seat body (12), a first disc body (13) is welded on the front surface of the door seat body (12), and plate bodies (14) are symmetrically arranged on the outer side wall of the first disc body (13);

a rotating assembly (20) arranged on the front surface of the plate body (14);

the door body assembly (30) comprises a door body (32), the rotating assembly (20) is fixedly connected with the door body (32), a second disc body (31) is welded at the rear end of the door body (32), a water inlet pipe (35) and a water outlet pipe (34) are symmetrically arranged on the outer side wall of the door body (32), and an inner container (36) is arranged at the rear end of the door body (32);

spacing subassembly (40), it includes first stopper (41) and second stopper (42), second stopper (42) are fixed in the front surface of plate body (14), door body (32) set up with vertical central line symmetry second stopper (42), when door body (32) are opened the maximum angle, first stopper (41) are extruded second stopper (42), door body (32) are opened the maximum angle and are 72.

2. The pontoon flap valve as recited in claim 1, wherein: the front surface of the first tray body (13) is provided with a sealing part (131), and the first tray body (13) and the second tray body (31) are sealed through the sealing part (131).

3. The pontoon flap valve as recited in claim 1, wherein: a containing cavity is formed between the door body (32) and the inner container (36), and the containing cavity is respectively communicated with the water outlet pipe (34) and the inner container (36).

4. The pontoon flap valve as recited in claim 1, wherein: and a second lifting lug (33) is symmetrically welded on the front surface of the door body (32).

5. The pontoon flap valve as recited in claim 1, wherein: the rear end welding of door seat body (12) has ring flange (11), the lateral wall top welding of first disk body (13) has first lug (15).

6. The pontoon flap valve as recited in claim 1, wherein: rotating assembly (20) include fixed plate (25), round pin axle (23) and nut (24), fixed plate (25) with plate body (14) pass through the bolt fastening, the front end welding of fixed plate (25) has swivel mount (26), the inside wall of swivel mount (26) rotates and connects rod cover (22), the inside wall of rod cover (22) is provided with connecting piece (21), round pin axle (23) run through rod cover (22) with connecting piece (21), nut (24) set up in round pin axle (23) with between swivel mount (26).