CN218188292U - Novel diaphragm valve with prevent blockking up function - Google Patents

Abstract

The utility model discloses a novel diaphragm valve with prevent blockking up function relates to diaphragm valve technical field, including diaphragm valve main part, connecting pipe, filter screen subassembly, brush subassembly, actuating mechanism, first helical gear, second helical gear and axis of rotation. The inside filter screen subassembly that is equipped with of end of intaking, the one end and the filter screen subassembly of axis of rotation are rotationally connected, and the other end extends to in the connecting tube and is connected with first helical gear, are equipped with the brush subassembly in the axis of rotation, and the upper end of connecting tube is equipped with actuating mechanism, is equipped with the second helical gear on actuating mechanism's the output shaft, and the second helical gear meshes with first helical gear mutually. The brush component rotates, so that the cleaning of the water inlet side of the filter screen can be realized, impurities accumulated on the filter screen can be effectively removed, and the filtering efficiency of the filter screen is improved; and one end of the rotating shaft is directly connected with the filter screen assembly, so that a traditional support plate structure is omitted, the influence on the flowing speed of fluid due to the fact that the support plate is arranged in the pipeline is avoided, and the working efficiency of the diaphragm valve is improved.

Description

Novel diaphragm valve with prevent blockking up function

Technical Field

The utility model relates to diaphragm valve technical field especially involves a novel diaphragm valve with prevent blockking up function.

Background

The diaphragm valve is a stop valve which uses a diaphragm as an opening and closing part to close a flow passage, cut off fluid and separate an inner cavity of a valve body from an inner cavity of a valve cover, the diaphragm is made of elastic, corrosion-resistant and non-permeable materials such as rubber, plastic and the like, the valve body is made of multipurpose plastic, glass fiber reinforced plastic, ceramic or metal lining rubber materials, the diaphragm valve is simple in structure, good in sealing and corrosion-resistant performance and small in fluid resistance, is used for a medium which is high in low pressure, low temperature and corrosivity and contains suspended substances, is divided into a ridge type, a stop type, a gate type and the like according to the structural form, and is divided into a manual type, a pneumatic type and an electric type according to the driving mode.

The existing diaphragm valve is lack of a filtering mechanism for the fluid medium in the use process, and the particulate matter impurities doped in the fluid medium are easy to accumulate to cause blockage when passing through the diaphragm valve, so that the normal use of the diaphragm valve is influenced. To this, current chinese utility model patent CN202021058084.1 discloses a diaphragm valve with prevent blockking up function, a problem for solving the diaphragm valve jam, this chinese utility model patent CN202021058084.1 includes the diaphragm valve main part in, the connecting pipe, the filter screen, including a motor, an end screw thread connection of intaking in the diaphragm valve main part is equipped with the connecting pipe, the end inner wall movable mounting that intakes of diaphragm valve main part has the filter screen, the right flank of filter screen is provided with the brush and laminates with the left surface of brush, the left surface at the mounting panel is fixed to the brush, it is equipped with the motor to hold the upside at the intaking of diaphragm valve main part, be equipped with the backup pad on the end inner wall of intaking of diaphragm valve main part, a use for installing the bull stick, through motor drive bull stick, the bull stick drives the mounting panel and rotates, thereby drive the brush and clean the filter screen, the problem of the mesh jam of filter screen has been avoided appears.

However, the chinese utility model CN202021058084.1 has the following technical defects:

1. when fluid enters the diaphragm valve main body through the water inlet end of the diaphragm valve main body, impurities in the fluid can be accumulated on one side, far away from the diaphragm valve main body, of the filter screen, and the brush is arranged on one side, close to the diaphragm valve main body, of the filter screen, so that the impurities accumulated on the surface of the filter screen are difficult to effectively remove;

2. the diaphragm valve is characterized in that a supporting plate is arranged in the water inlet end of the diaphragm valve main body, when fluid passes through, the supporting plate can block the fluid, so that the fluid can only enter the diaphragm valve main body from the outer edge part of the supporting plate, the flow speed of the fluid in the water inlet end of the diaphragm valve main body is slowed, and the working efficiency of the diaphragm valve is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel diaphragm valve with prevent blockking up function for solve above-mentioned technical problem.

The utility model adopts the technical scheme as follows:

the utility model provides a diaphragm valve with prevent blockking up function, include the diaphragm valve main part and with the connecting pipe that the end of intaking of diaphragm valve main part is connected still includes filter screen subassembly, brush subassembly, actuating mechanism, first helical gear, second helical gear and axis of rotation, it is close to intake the end the inside of one side of connecting pipe is equipped with the filter screen subassembly, the one end of axis of rotation with the filter screen subassembly is rotationally connected, the other end of axis of rotation extends to in the connecting pipe, just the other end of axis of rotation is equipped with first helical gear, be equipped with in the axis of rotation the brush subassembly, the brush subassembly with the filter screen subassembly is laminated mutually, the upper end of connecting pipe is equipped with actuating mechanism, actuating mechanism's output shaft stretches into in the connecting pipe, just be equipped with on the output shaft the second helical gear, the second helical gear with first helical gear meshes mutually.

Preferably, the filter screen subassembly includes go-between, connecting rod and filter screen, the inboard of go-between is equipped with the connecting rod that is "ten" font setting, one side of go-between is equipped with the filter screen, the connecting rod and the middle part of filter screen is equipped with the mounting hole.

Preferably, an annular groove is formed in the inner peripheral wall of one side of the water inlet end, which is close to the connecting pipe, and the connecting ring is arranged in the annular groove.

As further preferred, still include the adapter sleeve, the adapter sleeve is located in the mounting hole, the both ends of connecting rod are equipped with two first spacing rings, one of them first spacing ring with the connecting rod is kept away from one side of filter screen offsets, another first spacing ring with the filter screen is kept away from one side of connecting rod offsets.

Preferably, the connecting sleeve further comprises a ball bearing, wherein the ball bearing is arranged at one end of the rotating shaft, and the ball bearing is arranged in the connecting sleeve.

Preferably, two second limiting rings are arranged on the outer edge of one end of the rotating shaft, and the two second limiting rings are located on two sides of the ball bearing.

Preferably, the water inlet end of the water inlet pipe is provided with a first connecting flange and a second connecting flange, the outer edge of one end, close to the connecting pipe, of the water inlet end is provided with the first connecting flange, the outer edge of one end, close to the water inlet end, of the connecting pipe is provided with the second connecting flange, and the first connecting flange is connected with the second connecting flange.

Preferably, a seal ring is arranged between the first connecting flange and the second connecting flange.

The technical scheme has the following advantages or beneficial effects:

the brush component is driven to rotate by the driving mechanism to drive the rotating shaft, so that the water inlet side of the filter screen is cleaned, impurities accumulated on the filter screen can be effectively removed, and the filtering efficiency of the filter screen is improved; and one end of the rotating shaft is directly connected with the filter screen assembly, so that a traditional support plate structure is omitted, the influence on the flowing speed of fluid due to the fact that the support plate is arranged in the pipeline is avoided, and the working efficiency of the diaphragm valve is improved.

Drawings

Fig. 1 is a schematic structural diagram of a novel diaphragm valve with an anti-clogging function according to the present invention;

FIG. 2 is a front view of the filter screen assembly and brush assembly of the present invention connected to the rotating shaft;

FIG. 3 is a first perspective view of the connection between the screen assembly and the brush assembly and the rotating shaft;

FIG. 4 is a second perspective view of the connection between the screen assembly and the brush assembly and the rotating shaft;

fig. 5 is an explosion diagram of the filter screen assembly, the brush assembly and the rotating shaft of the present invention.

In the figure: 1. a diaphragm valve body; 2. a water inlet end; 3. a connecting pipe; 4. a screen assembly; 401. a connecting ring; 402. a connecting rod; 403. filtering with a screen; 404. connecting sleeves; 405. a first limit ring; 5. a brush assembly; 501. a brush plate; 502. a brush; 6. a drive mechanism; 7. a first helical gear; 8. a second helical gear; 9. a rotating shaft; 10. an annular groove; 11. a ball bearing; 12. a second stop collar; 13. a first connecting flange; 14. a second connecting flange; 15. and a third connecting flange.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is a schematic structural diagram of a novel diaphragm valve with an anti-clogging function according to the present invention; FIG. 2 is a front view of the filter screen assembly and brush assembly of the present invention connected to the rotating shaft; FIG. 3 is a first perspective view of the connection between the screen assembly and the brush assembly and the rotating shaft; FIG. 4 is a second perspective view of the connection between the screen assembly and the brush assembly and the rotating shaft; fig. 5 is the utility model discloses well filter screen subassembly, the explosion sketch map of brush subassembly and axis of rotation, please refer to fig. 1 to 5 shown, an embodiment of preferred is shown, the novel diaphragm valve with prevent blockking up function that shows, including diaphragm valve main part 1 and with the connecting pipe 3 of the end 2 connections of intaking of diaphragm valve main part 1, still include filter screen subassembly 4, brush subassembly 5, actuating mechanism 6, first helical gear 7, second helical gear 8 and axis of rotation 9, it is close to inside filter screen subassembly 4 that is equipped with in one side of connecting pipe 3 to intake end 2, the one end of axis of rotation 9 is rotationally connected with filter screen subassembly 4, the other end of axis of rotation 9 extends to in the connecting pipe 3, and the other end of axis of rotation 9 is equipped with first helical gear 7, be equipped with brush subassembly 5 in the axis of rotation 9, brush subassembly 5 laminates with filter screen subassembly 4, the upper end of connecting pipe 3 is equipped with actuating mechanism 6, the output shaft of actuating mechanism 6 stretches into in 3, and be equipped with second helical gear 8 on the output shaft, second helical gear 8 meshes with first helical gear 7. In this embodiment, as shown in fig. 1, one side of the diaphragm valve body 1 is a water inlet end 2, the other side is a water outlet end, the water inlet end 2 is connected to the connecting pipe 3, a first connecting flange 13 is disposed on an outer edge of one end of the water inlet end 2, which is close to the connecting pipe 3, a second connecting flange 14 is disposed on an outer edge of one end of the connecting pipe 3, which is close to the water inlet end 2, the first connecting flange 13 is connected to the second connecting flange 14 through bolts, a sealing ring is further disposed between the first connecting flange 13 and the second connecting flange 14, and is used for sealing between the water inlet end 2 and the connecting pipe 3, so as to prevent fluid leakage. Wherein, one side of the filter screen assembly 4 is abutted against the connecting pipe 3, and the filter screen assembly 4 is extruded by the connecting pipe 3, so that the filter screen assembly 4 is fixed at the water inlet position of the water inlet end 2, as shown in fig. 1. Wherein, brush subassembly 5 includes brush board 501 and locates brush 502 on brush board 501, brush board 501 and axis of rotation 9 fixed connection, and the rotation of axis of rotation 9 can drive brush board 501 rotatory for brush board 501 drives brush 502 and rotates at the side surface that filter screen 403 intake, realizes the clearance to the impurity on the filter screen 403 surface. When the filter screen assembly 4 needs to be replaced, the connecting pipe 3 can be removed, and the filter screen assembly 4 can be directly taken out. The driving mechanism 6 is a rotating motor, a sealing sleeve is adopted between a motor shaft of the rotating motor and the connecting pipe 3 for sealing, fluid leakage is avoided, the rotating motor drives the second bevel gear 8 to rotate, the second bevel gear 8 drives the first bevel gear 7 to rotate, and the first bevel gear 7 drives the rotating shaft 9 to rotate, so that rotation of the brush component 5 is realized. Referring to fig. 1, the outer edge of the end of the connecting pipe 3 away from the water inlet end 2 is provided with a third connecting flange 15 for connecting with an external pipeline.

Further, as a preferred embodiment, the screen assembly 4 includes a connection ring 401, a connection rod 402 and a screen 403, the connection rod 402 is disposed inside the connection ring 401 in a cross-shaped configuration, the screen 403 is disposed on one side of the connection ring 401, and the connection rod 402 and the screen 403 are provided with mounting holes in the middle thereof. In this embodiment, referring to fig. 4, four free ends of the connecting rod 402 are integrally connected to the inner circumferential wall of the connecting ring 401. An annular groove 10 is formed in the inner peripheral wall of one side, close to the connecting pipe 3, of the water inlet end 2, and the connecting ring 401 is arranged in the annular groove 10. Wherein the other side surface of the connection ring 401 abuts against the bottom wall of the annular groove 10. The brush 502 of this embodiment is attached to a surface of the filter mesh 403 on a side away from the attachment ring 401. In this embodiment, through the setting of connecting ring 401 connecting rod 402, the installation and the dismantlement of filter screen 403 are convenient for, and because filter screen 403 hugs closely on connecting ring 401 and connecting rod 402, can increase the intensity of shocking resistance of filter screen 403, avoid filter screen 403 to receive fluid impact and warp, can improve filter screen 403's life.

Further, as a preferred embodiment, the filter device further includes a connecting sleeve 404, the connecting sleeve 404 is disposed in the mounting hole, two ends of the connecting rod 402 are provided with two first limiting rings 405, one of the first limiting rings 405 abuts against one side of the connecting rod 402 away from the filter screen 403, and the other first limiting ring 405 abuts against one side of the filter screen 403 away from the connecting rod 402. Referring to fig. 5, the connection sleeve 404 is a cylindrical structure with two open ends, and two first limiting rings 405 are disposed on outer edges of two ends of the connection sleeve 404 for connecting and fixing a middle portion of the filter screen 403 and a middle portion of the connection ring 401, and an outer edge of the filter screen 403 can be tightly attached to an outer edge of the connection ring 401 under the action of the connection pipe 3. In other embodiments, the filter mesh 403 may be attached to the attachment ring 401 by screws.

Further, as a preferred embodiment, a ball bearing 11 is further included, the ball bearing 11 is disposed at one end of the rotating shaft 9, and the ball bearing 11 is disposed in the connecting sleeve 404.

Further, as a preferred embodiment, two second position-limiting rings 12 are disposed on the outer edge of one end of the rotating shaft 9, and the two second position-limiting rings 12 are located on two sides of the ball bearing 11. In this embodiment, referring to fig. 5, two second position-limiting rings 12 are provided to limit the ball bearing 11 in the connecting sleeve 404, and the two second position-limiting rings 12 are abutted against two ends of the connecting sleeve 404. The provision of the ball bearing 11 facilitates rotation of the rotatable shaft 9 relative to the screen assembly 4.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims (8)

1. The utility model provides a novel diaphragm valve with prevent blockking up function, including the diaphragm valve main part and with the connecting pipe that the end of intaking of diaphragm valve main part is connected, its characterized in that still includes filter screen subassembly, brush subassembly, actuating mechanism, first helical gear, second helical gear and axis of rotation, it is close to intake the end the inside one side of connecting pipe is equipped with the filter screen subassembly, the one end of axis of rotation with the filter screen subassembly is rotationally connected, the other end of axis of rotation extends to in the connecting pipe, just the other end of axis of rotation is equipped with first helical gear, be equipped with in the axis of rotation the brush subassembly, the brush subassembly with the filter screen subassembly is laminated mutually, the upper end of connecting pipe is equipped with actuating mechanism, actuating mechanism's output shaft stretches into in the connecting pipe, just be equipped with on the output shaft the second helical gear, the second helical gear with first helical gear meshes mutually.

2. The novel diaphragm valve with the anti-clogging function according to claim 1, wherein the filter screen assembly comprises a connecting ring, a connecting rod and a filter screen, the connecting rod is arranged inside the connecting ring in a cross shape, the filter screen is arranged on one side of the connecting ring, and mounting holes are formed in the connecting rod and the middle of the filter screen.

3. The novel diaphragm valve with anti-clogging function according to claim 2, wherein an annular groove is formed in an inner peripheral wall of one side of said water inlet end, which is close to said connecting pipe, and said connecting ring is arranged in said annular groove.

4. The novel diaphragm valve with the anti-clogging function according to claim 2, further comprising a connecting sleeve, wherein the connecting sleeve is disposed in the mounting hole, two first limiting rings are disposed at two ends of the connecting rod, one of the first limiting rings abuts against one side of the connecting rod away from the filter screen, and the other first limiting ring abuts against one side of the filter screen away from the connecting rod.

5. The novel diaphragm valve with anti-clogging function according to claim 4, further comprising a ball bearing, wherein said ball bearing is provided at one end of said rotating shaft, and said ball bearing is provided in said connecting sleeve.

6. The novel diaphragm valve with anti-clogging function according to claim 5, wherein two second limiting rings are provided on the outer edge of one end of said rotating shaft, and said two second limiting rings are located on both sides of said ball bearing.

7. The novel diaphragm valve with anti-clogging function according to claim 1, further comprising a first connecting flange and a second connecting flange, wherein said first connecting flange is provided at an outer edge of one end of said water inlet end near said connecting pipe, said second connecting flange is provided at an outer edge of one end of said connecting pipe near said water inlet end, and said first connecting flange is connected to said second connecting flange.

8. The novel diaphragm valve with anti-jam function as claimed in claim 7, wherein a seal ring is provided between said first attachment flange and said second attachment flange.

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