CN218063437U - Umbrella-shaped adjusting valve - Google Patents

Abstract

The utility model relates to an umbrella-shaped governing valve, including import pipe and outlet pipe, import pipe and outlet pipe interconnect, be equipped with a plurality of valve clack units around import pipe and outlet pipe junction, each valve clack unit is supported jointly by import pipe and outlet pipe, the valve clack unit includes the valve clack subassembly, the worm wheel, valve shaft and driven sprocket, the worm is meshed with the worm wheel, the one end of worm is supported by the outlet pipe, driven sprocket is connected to the other end, the worm wheel is supported by the valve shaft, the valve clack subassembly is connected to the one end of worm wheel, the driven sprocket of each valve clack unit all inserts outside sprocket mechanism, under outside sprocket mechanism's the drive, drive worm and worm wheel rotate, with each common closure of valve clack subassembly or open, when each valve clack subassembly is closed, form sealed closed face. Compared with the prior art, the utility model has the advantages of the structure is not complicated, but powerful, to the regulation of raw water, sewage treatment system, the pressure regulating, especially do not have filter equipment system and have the suitability.

Description

Umbrella-shaped adjusting valve

Technical Field

The utility model belongs to the technical field of the valve technique and specifically relates to an umbrella-shaped governing valve that applicable contains any rubbish water course medium usefulness is related to.

Background

The valves are usually broken down due to various wastes in water media in the conveying or treating process of raw water and sewage, only a gate valve or a ball valve is available in the market at present, but the structural characteristics of the two valves determine that the valves can only be used for turning off and cannot be used for regulating flow and pressure, so the valves are limited in use, although the sleeve valves can be used for regulating flow and pressure, the structural characteristics determine that the valves have weak waste resistance, a filtering device needs to be additionally arranged at the front end of the valves, but the filtering device can cause the function of the regulating valve to be invalid if the waste is not cleaned in time, and the serious waste can cause the failure of breaking of a filter screen of the front-end filtering device.

Although the rubber pinch valve is not afraid of garbage and can be adjusted, the rubber pinch valve has low pressure resistance and short service life due to the strength, hardness and the like of rubber materials, and meanwhile, the flow regulation linearity is poor due to the shape of the flow area, so that the accurate flow regulation function cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an umbrella-shaped regulating valve which has uncomplicated structure and powerful function, is used for regulating the flow and the pressure of raw water and sewage treatment systems, and is especially suitable for the system without a filtering device in order to overcome the defects of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

the umbrella-shaped regulating valve comprises an inlet pipe and an outlet pipe, wherein the inlet pipe and the outlet pipe are connected with each other, a plurality of valve clack units are arranged around the connection part of the inlet pipe and the outlet pipe, each valve clack unit is supported by the inlet pipe and the outlet pipe together, each valve clack unit comprises a valve clack assembly, a worm wheel, a valve shaft and a driven chain wheel, the worm and the worm wheel are meshed, one end of the worm is supported by the outlet pipe, the other end of the worm is connected with the driven chain wheel, the worm wheel is supported by the valve shaft, one end of the worm wheel is connected with the valve clack assembly, the driven chain wheel of each valve clack unit is connected into an external chain wheel mechanism, the worm and the worm wheel are driven by the external chain wheel mechanism to rotate, each valve clack assembly is closed or opened together, and a sealed closing surface is formed when each valve clack assembly is closed.

Furthermore, import pipe is the rotational symmetry structure, the one end of import pipe is equipped with first flange, and the other end is equipped with the main part flange, main part flange joint outlet pipe, the main part flange is equipped with a plurality of first holes that are used for fixed worm, the main part flange is equipped with a plurality of sealing washers, and when each valve clack subassembly was closed, sealing washer butt valve clack subassembly.

Furthermore, one end of the worm, which is close to the driven sprocket, is also provided with a thrust bearing and a sealing check ring, the thrust bearing and the sealing check ring are both sleeved outside the worm, and the thrust bearing and the sealing check ring are both positioned in the first hole and limited by the first hole and are used for restraining the axial movement of the worm when the valve is closed.

Furthermore, the sealing ring is made of rubber, and two side surfaces of the sealing ring are in a sawtooth shape.

Furthermore, the outlet pipe is of a rotational symmetry structure, one end of the outlet pipe is provided with a second connecting flange, the other end of the outlet pipe is connected with the inlet pipe, and one end of the outlet pipe, which is connected with the inlet pipe, is provided with a plurality of second holes for fixing the worm.

Further, the valve clack assembly comprises a valve clack body, sealing rubber and a sealing pressing plate, wherein the sealing rubber is fixed on one side of the valve clack body through the sealing pressing plate, the valve clack body is in a sector shape, when each valve clack assembly is closed, all the valve clack bodies are combined together to form an umbrella shape, and the valve clack assemblies are mutually sealed through the sealing rubber.

Furthermore, the regulating valve further comprises a worm and gear protection cover which is of a huff-shaped structure, and the worm and gear protection cover is arranged at the meshing position of the worm and the worm gear.

Further, the external chain wheel mechanism comprises a driving machine, a tension wheel, a driving chain wheel and a chain, the tension wheel is arranged around the connection position of the inlet pipe and the outlet pipe, the driving chain wheel is driven by the driving machine, and the chain is connected with the tension wheel, the driving chain wheel and the driven chain wheel.

Furthermore, the external chain wheel mechanism also comprises a chain wheel mechanism protection cover, and the chain wheel mechanism protection cover covers the outer sides of the tension wheel, the driving chain wheel, the driven chain wheel and the chain.

Furthermore, the driving machine is mounted on the T-shaped support of the inlet pipe, a transmission shaft of the driving machine is fixed with a driving chain wheel, the driving chain wheel drives a chain, the chain drives a driven chain wheel, and finally all the valve flap assemblies are driven to perform synchronous switching motion, and the tensioning wheel is used for adjusting gaps when the chain moves.

Compared with the prior art, the utility model has the advantages of it is following:

(1) The flow passage of the flow-regulating pressure-regulating valve in water channel system and large specification is designed ideally and generally adopts axial flow symmetrical structure, the flow state vibration and cavitation are small, and the regulation precision is high, at present, the products mainly represent in the market are piston valve, fixed cone valve, etc., but the structural characteristics of these valves determine that the medium can not contain garbage basically, so the front end of these valves is equipped with filter, and said valve has the advantages of that it can implement accurate flow-regulating pressure-regulating, and can not be afraid of any garbage, and its front end can be equipped with no filter, so that it not only can reduce construction cost of engineering, but also can bring great convenience for daily equipment maintenance of user (without frequently cleaning filter).

(2) In addition, even if the front end of the sleeve valves such as the piston valve and the fixed cone is provided with the filter, the sleeve valves cannot be used in sewage and raw water systems with silt-laden media, silt cannot be filtered out by the filter, silt can also flow into the matching surface of the sleeve gate, so that the sleeve gate is blocked to operate, the valve finally fails, and the problem does not exist in the valve.

Drawings

Fig. 1 is a schematic perspective view of an umbrella-shaped regulating valve provided in an embodiment of the present invention;

fig. 2 is a front view of a closed state section of an umbrella-shaped regulating valve provided in an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

fig. 4 is a schematic structural view of a valve flap assembly of an umbrella-shaped regulating valve provided in an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

fig. 6 is a right side view of an operating state of an umbrella-shaped adjusting valve provided in an embodiment of the present invention;

in the figure, 1, an inlet pipe, 2, an outlet pipe, 3, a valve clack assembly, 301, a valve clack body, 302, sealing rubber, 303, a sealing pressure plate, 4, a worm, 5, a worm wheel, 6, a worm and worm wheel protection cover, 7, a valve shaft, 8, a thrust bearing, 9, a sealing check ring, 10, a sealing ring, 11, a chain wheel mechanism protection cover, 12, a driving machine, 13, a driving chain wheel, 14, a tension wheel, 15, a chain, 16 and a driven chain wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

The embodiment shown in fig. 1-3 provides an umbrella-shaped regulating valve, which includes an inlet pipe 1 and an outlet pipe 2, the inlet pipe 1 and the outlet pipe 2 are connected to each other, a plurality of valve flap units are arranged around the connection between the inlet pipe 1 and the outlet pipe 2, each valve flap unit is supported by the inlet pipe 1 and the outlet pipe 2, each valve flap unit includes a valve flap assembly 3, a worm 4, a worm wheel 5, a valve shaft 7 and a driven sprocket 16, the worm 4 is meshed with the worm wheel 5, one end of the worm 4 is supported by the outlet pipe 2, the other end of the worm 4 is connected with the driven sprocket 16, the worm wheel 5 is supported by the valve shaft 7, one end of the worm wheel 5 is connected with the valve flap assembly 3, the driven sprocket 16 of each valve flap unit is connected to an external sprocket mechanism, the worm 4 and the worm wheel 5 are driven by the external sprocket mechanism to rotate, the valve flap assemblies 3 are closed or opened together, and a sealed closed surface is formed when each valve flap assembly 3 is closed.

As a preferred embodiment, as shown in fig. 4 and 5, the valve flap assembly 3 includes a valve flap body 301, a sealing rubber 302 and a sealing pressure plate 303, the sealing rubber 302 is fixed on one side of the valve flap body 301 through the sealing pressure plate 303, the valve flap body 301 is in a fan shape, when each valve flap assembly 3 is closed, all the valve flap bodies 301 are combined together to form an umbrella shape, and each valve flap assembly 3 is sealed with each other through the sealing rubber 302.

In this embodiment, the valve flap body 301 is mounted on the valve shaft 7 of the U-shaped pillar of the inlet tube 1; the fan-shaped valve clack assemblies 3 are in an umbrella shape when being attached together in a closed state; in a fully open state, each valve clack component 3 is close to the inner wall of the outlet pipe 2, so that a middle flow passage in the valve is in a straight pipe shape. The proportion of the valve clack opening degree and the actual valve circulation area is basically linear, and accurate flow and pressure regulation can be realized.

It should be noted that the sealing rubber 302 and the sealing pressure plate 303 additionally arranged in this embodiment are used for improving the sealing performance of the whole structure of the valve flap assembly 3, which belongs to a preferred embodiment, and this scheme can also be implemented by only providing the valve flap body 301.

As a preferred embodiment, as shown in fig. 6, the external sprocket mechanism includes a driving machine 12, a tension pulley 14, a driving sprocket 13 and a chain 15, the tension pulley 14 is disposed around the junction of the inlet pipe 1 and the outlet pipe 2, the driving sprocket 13 is driven by the driving machine 12, and the chain 15 connects the respective tension pulleys 14, the driving sprocket 13 and the driven sprocket 16.

The driving machine 12 is installed on the T-shaped support of the inlet pipe 1, a transmission shaft of the driving machine 12 is fixed with the driving chain wheel 13, the driving chain wheel 13 drives the chain 15, the chain 15 drives the driven chain wheel 16, finally all the valve clack assemblies 3 are driven to perform synchronous switching motion, and the tension wheel 14 is used for adjusting the gap when the chain 15 moves.

Preferably, the external sprocket mechanism further comprises a sprocket mechanism protecting cover 11, and the sprocket mechanism protecting cover 11 covers the outer sides of the tension pulley 14, the driving sprocket 13, the driven sprocket 16 and the chain 15.

As an optional implementation manner, in this embodiment, an umbrella-shaped regulating valve is provided, which includes an inlet pipe 1 and an outlet pipe 2, and a valve flap assembly 3 (N) installed inside, a worm 4 (N), a worm wheel 5 (N), a worm and worm wheel protective cover 6 (N), a valve shaft 7 (N), a thrust bearing 8 (N), a sealing retainer 9 (N), an inlet pipe sealing ring 10, an external chain wheel mechanism protective cover 11, a driving machine 12, a driving chain wheel 13 (N), a tension wheel 14 (N + 1), a chain 15, and a driven chain wheel 16 (N).

The inlet pipe 1 is of a rotational symmetric structure, the small flange end is a first connecting flange, the large flange end is connected with the outlet pipe 2, and the tail end of the inlet pipe 1 is embedded with a sealing ring 10; n U-shaped struts in the inner part are matched with N valve shafts 7; the N first holes at the large flange end are matched with the N thrust bearings 8 and the N sealing check rings 9; the upper T-bracket mounts the drive machine 12.

The outlet pipe 2 is of a rotational symmetric structure, one end of the outlet pipe is provided with a second connecting flange, the other end of the outlet pipe is connected with the inlet pipe 1, and N second holes in the outlet pipe are used for supporting the tails of N worms 4.

N worms 4 are provided, one end of each worm 4 is supported by a thrust bearing 8, the tail of each worm is supported by an outlet pipe 2, the worm 4 is fleed out of the inlet pipe 1, and a driven chain wheel 16 is installed; the valve wheel 5 is provided with N components which are embedded at the root part of the valve clack body 301, and the worm teeth are meshed with the T-shaped teeth of the worm 4.

The worm and gear protective cover 6 is of a half-shaped structure and is arranged at the meshing part of the worm 4 and the worm gear 5, so that garbage is prevented from entering the meshing part to influence the transmission efficiency.

The valve shafts 7 are provided in number N, and are mounted on a U-shaped support of the inlet pipe 1 for restricting the opening and closing movements of the valve flap assembly 3.

The thrust bearing 8 and the sealing retainer ring 9 are composed of N sets and are arranged in N holes of the large flange of the inlet pipe, and the thrust bearing and the sealing retainer ring are used for restraining the axial movement of the worm 4 when the valve is closed and preventing internal media from entering the thrust bearing 8.

The inlet pipe sealing ring 10 is made of rubber, the two side surfaces of the inlet pipe sealing ring are in a sawtooth shape, the inlet pipe sealing ring is embedded into the tail end surface of the inlet pipe 1, and the valve clack component 3 is squeezed with the inlet pipe sealing ring in a closed state to play a sealing role.

The specific operation process and installation control of the product are shown as follows:

the driver of this product can be selected with manual operation machine and electric operation machine, generally use as the pressure regulating operating mode of shunting and adopt electric operation machine and add PLC control system, when having flow pressure requirement behind the valve, PLC can be according to the signal of flow or pressure sensor feedback, send a suitable aperture instruction for this valve, flow or pressure can diminish when rubbish flows in the card on the valve clack, PLC is according to sensor feedback signal after, continue to send the instruction and require to continue to open the valve in this valve, until rubbish flows out and passes through, flow can exceed the control value this moment, PLC requires to close the valve according to sensor feedback signal, after flow or pressure reach required value, the valve clack is stable at a certain aperture.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. An umbrella-shaped regulating valve comprises an inlet pipe (1) and an outlet pipe (2), wherein the inlet pipe (1) and the outlet pipe (2) are connected with each other, and the regulating valve is characterized in that a plurality of valve flap units are arranged around the joint of the inlet pipe (1) and the outlet pipe (2), each valve flap unit is jointly supported by the inlet pipe (1) and the outlet pipe (2), each valve flap unit comprises a valve flap component (3), a worm (4), a worm wheel (5), a valve shaft (7) and a driven chain wheel (16), the worm (4) is meshed with the worm wheel (5), one end of the worm (4) is supported by the outlet pipe (2), the other end of the worm wheel (5) is connected with the driven chain wheel (16), the worm wheel (5) is supported by the worm wheel (7), one end of the worm wheel (5) is connected with the valve flap component (3), the driven chain wheel (16) of each valve shaft unit is connected with an external chain wheel mechanism, the worm (4) and the worm wheel (5) are driven by the external chain wheel mechanism to rotate to jointly close or open each valve flap component (3), and a sealed valve flap surface is formed when each valve flap component (3) is closed.

2. An umbrella-shaped regulating valve according to claim 1, characterized in that the inlet pipe (1) is of a rotationally symmetrical construction, the inlet pipe (1) being provided at one end with a first connecting flange and at the other end with a body flange, which is connected to the outlet pipe (2), the body flange being provided with a plurality of first holes for fixing the worm (4), the body flange being provided with a plurality of sealing rings (10), the sealing rings (10) abutting the flap assemblies (3) when the respective flap assemblies (3) are closed.

3. The umbrella-shaped regulating valve according to claim 2, wherein a thrust bearing (8) and a sealing retainer ring (9) are further arranged at one end of the worm (4) close to the driven sprocket (16), the thrust bearing (8) and the sealing retainer ring (9) are sleeved on the outer side of the worm (4), and the thrust bearing (8) and the sealing retainer ring (9) are both located in the first hole and limited by the first hole.

4. An umbrella-shaped regulating valve according to claim 2, characterized in that the sealing ring (10) is made of rubber and has a saw-tooth shape on both sides.

5. Umbrella-shaped regulating valve according to claim 1, characterized in that the outlet pipe (2) is of a rotational symmetric structure, one end of the outlet pipe (2) is provided with a second connecting flange, the other end is connected with the inlet pipe (1), and the end of the outlet pipe (2) connected with the inlet pipe (1) is provided with a plurality of second holes for fixing the worm (4).

6. The umbrella-shaped regulating valve according to claim 1, wherein the valve flap assembly (3) comprises a valve flap body (301), sealing rubber (302) and a sealing pressure plate (303), the sealing rubber (302) is fixed on one side of the valve flap body (301) through the sealing pressure plate (303), the valve flap body (301) is fan-shaped, when each valve flap assembly (3) is closed, all the valve flap bodies (301) are combined together to form an umbrella shape, and the valve flap assemblies (3) are sealed with each other through the sealing rubber (302).

7. An umbrella-shaped regulating valve according to claim 1, characterized in that the regulating valve further comprises a worm gear protective cover (6), the worm gear protective cover (6) is of a half-shaped structure, and the worm gear protective cover (6) is arranged at the meshing part of the worm (4) and the worm wheel (5).

8. An umbrella-shaped regulating valve according to claim 1, characterized in that the external chain wheel mechanism comprises a driving machine (12), a tension wheel (14), a driving chain wheel (13) and a chain (15), the tension wheel (14) is arranged around the connection of the inlet pipe (1) and the outlet pipe (2), the driving chain wheel (13) is driven by the driving machine (12), and the chain (15) is connected with each tension wheel (14), the driving chain wheel (13) and the driven chain wheel (16).

9. An umbrella-like regulating valve according to claim 8, characterized in that the external chain wheel mechanism further comprises a chain wheel mechanism protective cover (11), the chain wheel mechanism protective cover (11) covering the outer side of the tension wheel (14), the driving chain wheel (13), the driven chain wheel (16) and the chain (15).

10. An umbrella-shaped regulating valve according to claim 8, characterized in that the driving machine (12) is mounted on the T-shaped support of the inlet pipe (1), the transmission shaft of the driving machine (12) is fixed to the driving sprocket (13), the driving sprocket (13) drives the chain (15), the chain (15) drives the driven sprocket (16) and finally drives all the flap assemblies (3) to perform synchronous opening and closing movements, and the tension wheel (14) is used for adjusting the gap when the chain (15) moves.

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