CN216479216U

CN216479216U - Adjustable float valve

Info

Publication number: CN216479216U
Application number: CN202122439478.2U
Authority: CN
Inventors: 吉春美; 姚金路; 章建国
Original assignee: Taizhou Shenghe Water Treatment Equipment Manufacturing Co ltd
Current assignee: Taizhou Shenghe Water Treatment Equipment Manufacturing Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-10
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to an adjustable float valve, which comprises a fixed base, a valve plate, a float connecting plate, a float assembly, a rotary bearing assembly and an opening and closing device, wherein the valve plate is fixedly arranged on the fixed base; an included angle is formed above the fixed base through a bearing assembly, the valve plate and the buoy connecting plate are fixedly connected, and the valve plate is controlled to be opened and closed by the up-and-down movement of the buoy; the top end of the fixed base is provided with an opening and closing device connected with the rotating bearing assembly, and the opening and closing device moves up and down to drive the valve plate on the rotating bearing assembly and the floating barrel assembly to ascend and descend together in a U-shaped groove formed in the fixed base. Therefore, the valve plate can be more smoothly, flexibly and accurately adjusted to be opened and closed, when the set position and the water level difference are changed, the valve plate does not need to be detached and reinstalled, and different water level heights can be suitable for through jointly adjusting the opening and closing device and the included angle between the float bowl and the valve plate, so that the field actual condition is met.

Description

Adjustable float valve

Technical Field

The utility model relates to the field of urban sewage discharge devices, in particular to an adjustable type floating cylinder valve for discharging sewage and overflowing a cross section.

Background

At present, the black and odorous water body in the city is treated by adding a catch basin, arranging a sewage interception pipe and installing a float valve on a pipeline. The float valve can automatically adjust the relative position of the valve plate on the valve seat by utilizing the buoyancy and gravity of the float, and further determine whether rainwater enters a sewage pipeline; the initial rainwater and the sewage with heavier pollution degree can be automatically prevented from entering the natural water body, the water inlet load of a sewage treatment plant is reduced, the rainwater waste is avoided, and clean rainwater flows into the natural water body.

Chinese patent No. CN 212360980U discloses an adjustable float valve, which comprises a valve seat, a valve plate, a valve body, a float and a swing arm; the valve plate is positioned on the surface of the valve seat and can form effective seal with the valve seat; swing arm angle adjusting gear is connected to the one end of swing arm, and swing arm angle adjusting gear is fixed with the pivot gear meshing, and the flotation pontoon is connected to the other end of swing arm, and the swing arm drives swing arm angle adjusting gear and rotates, and then drives pivot gear revolve, and pivot gear drives the valve plate and rotates on the valve body surface.

The existing float valve has the following problems in the practical use process:

once the float valve structure is installed, the sewage area is adjusted through linkage between the float ball and the baffle. When the position of the float valve and the water level difference change, the float valve can only be detached and remounted, and cannot be suitable for different water level heights.

The swing arm angle adjusting gear adopted for the valve plate and the float bowl is fixed with the rotating shaft gear in a meshed mode, the transmission mode has high requirement on the strength of the rotating shaft, the friction resistance of gear transmission is large, and the running precision is low.

Based on the background, the float valve is most important to meet the actual working condition on site, so that the float valve is optimally designed, the sewage quantity is controlled fundamentally, and the significance of intercepting and controlling the source is really realized.

Disclosure of Invention

In order to solve the technical problem, the application provides an adjustable float valve, when the position and the water level difference that set up change, need not demolish and reinstall, just can be applicable to different water level heights through jointly adjusting the equipment contained angle of headstock gear and flotation pontoon and valve plate to satisfy on-the-spot operating condition.

The utility model relates to an adjustable float valve, which comprises a fixed base, wherein a valve plate and a float connecting plate are arranged above the fixed base, one end of the float connecting plate is fixedly connected with a float, the other end of the float connecting plate is provided with a ring hole, the ring hole is sleeved on a rotating bearing assembly, the valve plate and the float connecting plate are fixed on the rotating bearing assembly at an angle, the float moves up and down to control the valve plate to open and close, the top end of the fixed base is provided with a starting and closing device, the starting and closing device is connected with the rotating bearing assembly, and the starting and closing device moves up and down to drive the valve plate and the float to ascend and descend together.

The utility model is further improved in that a valve port for discharging sewage is arranged on the surface above the fixed base, a U-shaped groove and a positioning groove are formed in the upper end of the valve port, a positioning pin is arranged in the positioning groove, and the positioning pin limits the movement positions of the buoy connecting plate and the buoy. The rotary bearing assembly comprises a rotary bearing seat, a rotary bearing and a rotating shaft, the other end of the float connecting plate and the valve plate are fixed on the rotary bearing seat in an angled mode, the rotating shaft is fixedly connected with the opening and closing device through the U-shaped groove, and the other end of the rotating shaft is fixedly connected with the rotary bearing.

The utility model further improves that: the opening and closing device adopts a screw rod structure, and the opening and closing device moves up and down to control the valve plate to ascend and descend.

The utility model further improves that: the opening and closing device comprises a lead screw, a first lead screw fixing seat, a second lead screw fixing seat, a lead screw connector, a guide plate, a guide groove and a hand wheel, wherein the guide groove is a guide mechanism of the guide plate, the guide plate is fixedly connected with a rotating shaft, the lead screw connector is fixed on the guide plate, threads are arranged in the guide plate connector and are used with the lead screw in a matched mode, the first lead screw fixing seat and the second lead screw fixing seat support the fixed lead screw in the fixing base, the lead screw rotates to move up and down in the first lead screw fixing seat and the second lead screw fixing seat, the lead screw drives the guide plate connector and the guide plate to move up and down in the guide groove, and the guide plate drives the rotating shaft to move up and down in a U-shaped groove. The lead screw set up trapezoidal helicitic texture, the lead screw top is equipped with the hand wheel, the hand wheel is fixed with the lead screw even.

The utility model further improves that: the float bowl connecting plate is fixed on the rotary bearing seat through an annular hole and a valve plate at an angle within 60 DEG⁰～90⁰。

The utility model further improves that: the adjustable float valve is made of stainless steel materials.

The utility model has the beneficial effects that: the opening and closing device is adjusted according to the actual situation on site, and the through-flow section allowed on site is met.

According to the adjustable float valve, the float component drives the rotary bearing seat to rotate along with the rise of the liquid level, so that the valve plate can be driven to move downwards more smoothly, flexibly and accurately, the drainage quantity entering a sewage pipeline is limited, and the closed overflow section is finally reached; during installation, a hand wheel of the opening and closing device is rotated according to the actual working condition on site, so that the valve is transported up and down, and the flow area of the lower opening of the float valve meets the actual working condition; when the set position and the water level difference are changed, the valve does not need to be dismounted and remounted, and the valve can be suitable for different water level heights by jointly adjusting the assembly included angles of the opening and closing device, the float bowl and the valve plate, so that the field actual working condition is met.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable float valve according to the present invention.

FIG. 2 is a schematic side view of an adjustable float valve according to the present invention.

Fig. 3 is a schematic view of a partial cross-sectional structure of an opening and closing device of an adjustable float valve according to the present invention.

Fig. 4 is a schematic view of an opening/closing device of an adjustable float valve according to the present invention.

The attached drawings indicate the following:

1-fixed base, 2-valve plate, 3-float connecting plate, 4-float, 5-rotating bearing assembly, 6-opening and closing device, 7-positioning pin, 11-valve port, 12-U-shaped groove, 13-positioning groove, 31-annular hole, 51-rotating bearing seat, 52-rotating bearing, 53-rotating shaft, 61-screw rod, 62-first screw rod fixing seat, 63-second screw rod fixing seat, 64-guide plate connector, 65-guide plate, 66-guide groove, 67-hand wheel

Detailed Description

For purposes of unifying technical wording, embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. In addition, in the description process of the embodiment of the present invention, the positional relationships of the devices such as "upper", "lower", "front", "rear", "left", "right", and the like in all the drawings are based on fig. 1.

The present invention will be described in further detail with reference to the following drawings and examples.

As shown in fig. 1-4, an embodiment of an adjustable float valve is provided, which includes a fixed base 1, a valve plate 2 and a float connecting plate 3 are disposed above the fixed base 1, one end of the float connecting plate 3 is fixedly connected to a float 4, the other end of the float connecting plate 3 is provided with a ring hole 31, the valve plate 2 is sleeved on a rotating bearing assembly 5, an included angle is formed between the valve plate 2 and the float connecting plate 3 and fixed on the rotating bearing assembly 5, the float 4 moves up and down to control the valve plate 2 to open and close, an opening and closing device 6 is disposed at the top end of the fixed base 1 and connected to the rotating bearing assembly 5, and the opening and closing device 6 moves up and down to drive the valve plate 2 and the float 4 to ascend and descend. When the installation position and the water level difference are changed, the valve plate does not need to be detached and reinstalled, and different water level heights can be suitable for through jointly adjusting the opening and closing device and the included angle between the float bowl and the valve plate, so that the field actual condition is met.

More preferably: the sewage treatment device is characterized in that a valve port 11 for discharging sewage is formed in the surface above the fixed base 1, a U-shaped groove 12 and a positioning groove 13 are formed in the upper end of the valve port 11, a positioning pin 7 is arranged in the positioning groove 13, and the positioning pin 7 limits the movement positions of the buoy connecting plate 3 and the buoy 4.

More preferably: the rotary bearing assembly 5 consists of a rotary bearing seat 51, a rotary bearing 52 and a rotating shaft 53, the other end of the buoy connecting plate 3 and the valve plate 2 form an included angle and are fixed on the rotary bearing seat 51, the rotating shaft 53 is fixedly connected with the opening and closing device 6 through the U-shaped groove 12, and the other end of the rotating shaft 53 is fixedly connected with the rotary bearing 52; the float connecting plate 3 is fixed on the rotary bearing seat 51 through the annular hole 31 and the valve plate 2 at an angle, and the angle range is 60⁰～90⁰. The bearing assembly is applied, the support of the bearing enables the shaft and the component on the shaft to have more accurate running precision more easily, the bearing rolling body can reduce the friction between the bearing and the shaft, and the valve plate can be adjusted to be opened and closed more smoothly, flexibly and accurately.

More preferably: the opening and closing device 6 adopts a screw rod structure, and the opening and closing device 6 moves up and down to control the rising and falling of the valve plate 2. The screw structure enables the transmission to be more stable and reliable.

More preferably: the opening and closing device 6 comprises a screw rod 61, a first screw rod fixing seat 62, a second screw rod fixing seat 63, a guide plate connector 64, a guide plate 65, a guide groove 66 and a hand wheel 67, wherein the guide groove 66 is a guide mechanism of the guide plate 65, the guide plate 65 is fixedly connected with the rotating shaft 53, the guide plate connector 64 is fixed on the guide plate 65, threads are arranged in the guide plate connector 64 to be matched with the screw rod 61 for use, the first screw rod fixing seat 62 and the second screw rod fixing seat 63 support the fixing screw rod 61 in the fixing base 1, the rotating screw rod 61 moves up and down in the first screw rod fixing seat 62 and the second screw rod fixing seat 63, the screw rod 61 drives the guide plate connector 64 and the guide plate 65 to move up and down in the guide groove 66, and the guide plate 65 drives the rotating shaft 53 to move up and down in the U-shaped groove 12; the lead screw 61 is provided with a trapezoidal thread structure, the top end of the lead screw is provided with a hand wheel 67, and the hand wheel 67 is fixedly connected with the lead screw 61. The lead screw sets up trapezoidal screw thread, makes the transmission more accurate, difficult not hard up and wear-resisting.

More preferably: the adjustable float valve is made of stainless steel materials.

Example 2: the opening and closing device is of a jacking structure, a supporting spring is arranged in the opening and closing device, the gate can be opened and closed stably, and the other embodiments are the same as embodiment 1.

Example 3: the opening and closing device can also adopt other electric, pneumatic, manual or manual electric integrated structures. The other structure is the same as that of embodiment 1

The operation principle of the application is as follows:

when the float valve is installed, the hand wheel is rotated according to the actual working condition on site, the opening and closing device starts to act to drive the screw rod to rotate in the first screw rod fixing seat and the second screw rod fixing seat, so that the guide plate connector, the guide plate and the rotating shaft are driven to ascend and descend along the guide groove and the U-shaped groove, and the up-and-down movement of the rotating shaft drives the bearing seat assembly, the valve and the float to move up and down together, so that the lower opening flow area of the float valve meets the actual working condition, and the float valve can be suitable for different water levels.

The float valve is mainly applied to a municipal pipe network intercepting well and is arranged on a sewage intercepting pipeline, and in sunny days, the adjustable float valve is in an open state, so that sewage is discharged from the sewage pipeline; in rainy days, rain sewage firstly passes through the adjustable float valve and is discharged by the sewage intercepting pipeline. When the water level in the intercepting well rises, the buoy of the adjustable buoy valve rises along with the liquid level to drive the valve plate to move downwards, the drainage quantity entering the sewage pipeline is limited, and the overflowing section after final closing is realized.

The adjustable buoy can more smoothly, flexibly and accurately drive the valve plate to open and close, limits the drainage quantity entering the sewage pipeline and finally achieves the closed overflowing section. The valve can be automatically adjusted to move up and down according to the actual working condition on site, so that the flow area of the lower opening of the float valve meets the actual working condition, and the float valve is more suitable for use.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. The utility model provides a flotation pontoon valve with adjustable, includes unable adjustment base (1), unable adjustment base (1) top is provided with valve plate (2) and flotation pontoon connecting plate (3), flotation pontoon connecting plate (3) one end and flotation pontoon (4) fixed connection, its characterized in that: the novel valve is characterized in that an annular hole (31) is formed in the other end of the float connecting plate (3), the annular hole (31) is sleeved on the rotating bearing assembly (5), the valve plate (2) and the float connecting plate (3) form an included angle and are fixed on the rotating bearing assembly (5), the float (4) up-and-down movement control valve plate (2) is opened and closed, an opening and closing device (6) is arranged at the top end of the fixed base (1), the opening and closing device (6) is connected with the rotating bearing assembly (5), and the opening and closing device (6) moves up and down to drive the valve plate (2) and the float (4) to ascend and descend.

2. The adjustable float valve of claim 1, wherein: the sewage treatment device is characterized in that a valve port (11) for sewage to flow out is arranged on the surface above the fixed base (1), a U-shaped groove (12) and a positioning groove (13) are formed in the upper end of the valve port (11), a positioning pin (7) is arranged in the positioning groove (13), and the positioning pin (7) limits the movement positions of the buoy connecting plate (3) and the buoy (4).

3. The adjustable float valve of claim 2, wherein: the rotary bearing assembly (5) is composed of a rotary bearing seat (51), a rotary bearing (52) and a rotary shaft (53), the other end of the float connecting plate (3) and the valve plate (2) form an included angle and are fixed on the rotary bearing seat (51), the rotary shaft (53) is fixedly connected with the opening and closing device (6) through the U-shaped groove (12), and the other end of the rotary shaft (53) is fixedly connected with the rotary bearing (52).

4. The adjustable float valve of claim 1, wherein: the opening and closing device (6) adopts a screw rod structure, and the opening and closing device (6) moves up and down to control the rising and falling of the valve plate (2).

5. The adjustable float valve of claim 2, wherein: the opening and closing device (6) comprises a screw rod (61), a first screw rod fixing seat (62), a second screw rod fixing seat (63), a guide plate connector (64), a guide plate (65), a guide groove (66) and a hand wheel (67), wherein the guide groove (66) is a guide mechanism of the guide plate (65), the guide plate (65) is fixedly connected with a rotating shaft (53), the guide plate connector (64) is fixed on the guide plate (65), threads are arranged in the guide plate connector (64) to be matched with the screw rod (61) for use, the first screw rod fixing seat (62) and the second screw rod fixing seat (63) support the fixed screw rod (61) in the fixed base (1), the screw rod (61) is rotated to move up and down in the first screw rod fixing seat (62) and the second screw rod fixing seat (63), and the screw rod connector (61) drives the guide plate connector (64) and the guide plate (65) to move up and down in the guide groove (66), the guide plate (65) drives the rotating shaft (53) to move up and down in the U-shaped groove (12).

6. The adjustable float valve of claim 5, wherein: lead screw (61) set up trapezoidal thread structure, lead screw (61) top is equipped with hand wheel (67), hand wheel (67) and lead screw (61) fixed connection.

7. The adjustable float valve of claim 3, wherein: the float connecting plate (3) is fixed on the rotary bearing seat (51) through a ring hole (31) and the valve plate (2) at an angle, and the angle range is 60⁰～90⁰。

8. The adjustable float valve of claim 1, wherein: the adjustable float valve is made of stainless steel materials.