CN223806640U - A leak-proof electric butterfly valve - Google Patents

Abstract

This utility model relates to the field of valve technology, and in particular to a leak-proof electric butterfly valve, comprising a motor, a flange mounted on the outer wall of the motor, a butterfly valve body disposed outside the motor, a pipe mounted on the inner wall of the butterfly valve body, a sealing mechanism disposed on the inner wall of the pipe, and a filter assembly disposed on the inner wall of the pipe. This leak-proof electric butterfly valve, through the arrangement of a first fixing plate, a limiting plate, bolts, a first sealing plate, a second fixing plate, a first sealing ring, and a second sealing plate, ensures the stability and sealing effect of the sealing mechanism during use, reducing leakage problems caused by wear of the sealing surface. The equidistant installation of bolts ensures uniform pressure between the first sealing plate and the limiting plate, thereby improving sealing performance. The first sealing plate is fixed inside the limiting plate by bolts, ensuring the correct position and sealing effect of the sealing plate, further enhancing the sealing effect and preventing media leakage.

Description

Leakage-proof electric butterfly valve

Technical Field

The utility model relates to the technical field related to butterfly valves, in particular to a leakage-proof electric butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing member is a disc-shaped butterfly plate which rotates around the axis of the butterfly valve body in the valve body, so that the aim of opening and closing or adjusting is fulfilled, and therefore, the leakage-proof electric butterfly valve is particularly needed.

The electric butterfly valve on the market has the following problems when in use:

In practical application, the conventional electric butterfly valve has high requirements on sealing performance because the sealing surface of the butterfly valve is in large contact with a medium. After the traditional electric butterfly valve is used for a long time, the sealing surface is easy to wear, so that the sealing performance is reduced, and the leakage problem occurs. In addition, since the butterfly valve is opened and closed by rotating the butterfly plate, the rotation of the butterfly plate may cause damage to the sealing surface when the medium pressure is large, further exacerbating leakage.

Disclosure of utility model

The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology.

The leakage-proof electric butterfly valve comprises a motor, wherein a flange plate is arranged on the outer wall of the motor, a butterfly valve body is arranged outside the motor, a pipeline is arranged on the inner wall of the butterfly valve body, a sealing mechanism is arranged on the inner wall of the pipeline, and a filtering component is arranged on the inner wall of the pipeline;

Sealing mechanism includes first fixed plate, limiting plate, bolt, first closing plate, second fixed plate, first sealing washer and second closing plate, the inner wall of pipeline is provided with first fixed plate, the limiting plate is installed to the inner wall of first fixed plate, install the bolt on the outer wall of limiting plate, the inner wall of limiting plate is provided with first closing plate, the second fixed plate is installed to the inner wall of first closing plate, the outer wall cover of second fixed plate is equipped with first sealing washer, the inside of second fixed plate is provided with the second closing plate.

Preferably, the filter assembly comprises a filter shell, a filter screen, a mounting groove, a second sealing ring and a filter plate, wherein the filter shell is mounted on the inner wall of the pipeline, the filter screen is mounted on the inner wall of the filter shell, the mounting groove is formed in the inner wall of the filter shell, the second sealing ring is mounted on the inner wall of the mounting groove, and the filter plate is mounted on the inner wall of the filter shell.

Preferably, the bolts are provided in plurality and are equidistantly arranged on the outer walls of the first sealing plate and the limiting plate.

Preferably, the first sealing plate is fixed in the limiting plate through bolts, and the first sealing rings are arranged in a plurality of ways and are respectively arranged on the outer walls of the first sealing plate and the second sealing plate.

Preferably, the filter screen is provided with a plurality of, the filter screen equidistance is installed at the inner wall of filtering the shell.

Preferably, the mounting grooves are formed in the inner wall of the filter shell at equal intervals, and the mounting grooves correspond to the positions of the filter screen one by one.

Preferably, the second sealing rings are respectively sleeved on the outer walls of the corresponding filter plates, and the filter plates are provided with a plurality of sealing rings and are equidistantly arranged in the filter shell.

Compared with the prior art, the utility model has the beneficial effects that:

This leak protection lets out electric butterfly valve through the setting of first fixed plate, limiting plate, bolt, first closing plate, second fixed plate, first sealing washer and second closing plate, when using, can ensure sealing mechanism's stability and sealed effect, reduces the leakage problem because of sealed face wearing and tearing lead to. The equidistant installation of the bolts ensures uniform pressure between the first sealing plate and the limiting plate, thereby improving sealing performance. The first sealing plate is fixed in the limiting plate through the bolts, so that the correct position and sealing effect of the sealing plate are ensured. The arrangement of the first sealing ring and the second sealing ring further enhances the sealing effect and prevents leakage of the medium.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic view of a seal structure according to the present utility model;

FIG. 3 is a schematic view of a filter assembly according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

Fig. 5 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure, 1, a motor; 2, a flange plate, 3, a pipeline, 4, a butterfly valve body, 5, a sealing mechanism, 51, a first fixing plate, 52, a limiting plate, 53, a bolt, 54, a first sealing plate, 55, a second fixing plate, 56, a first sealing ring, 57, a second sealing plate, 6, a filter assembly, 61, a filter shell, 62, a filter screen, 63, a mounting groove, 64, a second sealing ring, 65 and a filter plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a leakage-proof electric butterfly valve, which comprises a motor 1, wherein a flange plate 2 is arranged on the outer wall of the motor 1, a butterfly valve body 4 is arranged outside the motor 1, a pipeline 3 is arranged on the inner wall of the butterfly valve body 4, a sealing mechanism 5 is arranged on the inner wall of the pipeline 3, and a filter component 6 is arranged on the inner wall of the pipeline 3;

The sealing mechanism 5 comprises a first fixing plate 51, a limiting plate 52, bolts 53, a first sealing plate 54, a second fixing plate 55, a first sealing ring 56 and a second sealing plate 57, wherein the first fixing plate 51 is arranged on the inner wall of the pipeline 3, the limiting plate 52 is arranged on the inner wall of the first fixing plate 51, the bolts 53 are arranged on the outer wall of the limiting plate 52, the first sealing plate 54 is arranged on the inner wall of the limiting plate 52, the second fixing plate 55 is arranged on the inner wall of the first sealing plate 54, the first sealing ring 56 is sleeved on the outer wall of the second fixing plate 55, the second sealing plate 57 is arranged in the second fixing plate 55, and the stability and sealing effect of the sealing mechanism 5 can be ensured and the leakage problem caused by abrasion sealing surfaces can be reduced through the arrangement of the first fixing plate 51, the limiting plate 52, the bolts 53, the first sealing plate 54, the second fixing plate 55 and the second sealing plate 57. Equidistant mounting of the bolts 53 ensures uniform pressure between the first sealing plate 54 and the limiting plate 52, thereby improving sealing performance. The first sealing plate 54 is fixed inside the limiting plate 52 by bolts 53, ensuring the correct position and sealing effect of the sealing plate. The arrangement of the first seal ring 56 and the second seal ring 57 further enhances the sealing effect and prevents leakage of the medium.

Further, filter assembly 6 includes filtration shell 61, filter screen 62, mounting groove 63 and second sealing washer 64, filter 65, filtration shell 61 is installed to the inner wall of pipeline 3, filter screen 62 is installed to the inner wall of filtration shell 61, mounting groove 63 has been seted up to the inner wall of filtration shell 61, second sealing washer 64 is installed to the inner wall of mounting groove 63, filter 65 is installed to the inner wall of filtration shell 61, through the setting of filtration shell 61, filter screen 62, mounting groove 63 and second sealing washer 64, filter 65, filter assembly 6's setting can effectively filter the impurity in the medium, the cleanliness of medium has been guaranteed, the cooperation of second sealing washer 64 and filter 65 is used simultaneously, filter assembly 6's leakproofness in the filtration process has been ensured, the medium leakage has been prevented. The equidistant mounting of the filter screen 62 makes the filter area uniform, improving the filter efficiency. The mounting grooves 63 are in one-to-one correspondence with the positions of the filter screens 62, so that stable mounting of the filter screens 62 is ensured, and displacement of the filter screens due to vibration or pressure is avoided. The equidistant mounting of the filter plates 65 results in a more uniform flow of medium inside the filter housing 61, further improving the filtering effect.

Further, the bolts 53 are provided with a plurality of bolts, and are equidistantly arranged on the outer walls of the first sealing plate 54 and the limiting plate 52, and the limiting plate 52 and the first sealing plate 54 are connected more firmly through the arrangement of the bolts 53, so that the overall stability of the sealing mechanism is enhanced.

Further, the first sealing plate 54 is fixed in the limiting plate 52 through the bolts 53, the first sealing rings 56 are arranged in a plurality of ways and are respectively arranged on the outer walls of the first sealing plate 54 and the second sealing plate 57, and the sealing effect of the sealing mechanism is further ensured through the arrangement of the first sealing plate 54, and meanwhile, the first sealing rings 56 are arranged at multiple points, so that the sealing is more uniform, and the medium leakage is effectively prevented. The provision of the second seal plate 57 provides a double safeguard for the sealing mechanism, further improving the reliability of leakage prevention.

Further, the filter screen 62 is provided with a plurality of, and filter screen 62 equidistance is installed at the inner wall of filtering shell 61, through the setting of filter screen 62, and filter screen 62 equidistance is installed at the inner wall of filtering shell 61, has ensured filtration area's evenly distributed to filtration efficiency and effect have been improved.

Further, the mounting grooves 63 are formed in the inner wall of the filter shell 61 at equal intervals, the mounting grooves 63 correspond to the positions of the filter screens 62 one by one, stability and filtering effect of the filter screens 62 are guaranteed through the arrangement of the mounting grooves 63, and displacement problems caused by vibration or pressure change of the filter screens are avoided.

Further, the second sealing rings 64 are respectively sleeved on the outer walls of the corresponding filter plates 65, the filter plates 65 are provided with a plurality of filter shells 61, and the filter plates 65 are equidistantly arranged in the filter shells 61, and the filter shells 61 are arranged, so that the uniformity of medium flow in the filter shells 61 is ensured, and the filtering efficiency is improved.

The working principle is that the stability and the sealing effect of the sealing mechanism 5 can be ensured and the leakage problem caused by the abrasion of the sealing surface can be reduced when the sealing mechanism is used. Equidistant mounting of the bolts 53 ensures uniform pressure between the first sealing plate 54 and the limiting plate 52, thereby improving sealing performance. The first sealing plate 54 is fixed inside the limiting plate 52 by bolts 53, ensuring the correct position and sealing effect of the sealing plate. The arrangement of the first sealing ring 56 and the second sealing ring 57 further enhances the sealing effect, prevents the leakage of the medium, and the arrangement of the filtering component 6 can effectively filter impurities in the medium, so that the cleanliness of the medium is ensured, and meanwhile, the second sealing ring 64 and the filtering plate 65 are matched for use, so that the tightness of the filtering component 6 in the filtering process is ensured, and the leakage of the medium is prevented. The equidistant mounting of the filter screen 62 makes the filter area uniform, improving the filter efficiency. The mounting grooves 63 are in one-to-one correspondence with the positions of the filter screens 62, so that stable mounting of the filter screens 62 is ensured, and displacement of the filter screens due to vibration or pressure is avoided. Equidistant installation of filter 65 for the inside medium flow of filter shell 61 is more even, has further improved the filter effect, through the setting of bolt 53, makes the connection between limiting plate 52 and the first closing plate 54 more firm, thereby has strengthened sealing mechanism's overall stability, through the setting of first closing plate 54, has further ensured sealing mechanism's sealed effect, and the multiple spot installation of first sealing washer 56 simultaneously makes the seal more even, has effectively prevented the medium leakage. The setting of second closing plate 57 provides dual guarantee for sealing mechanism, has further improved the reliability that the leak protection leaked, through the setting of filter screen 62, filter screen 62 equidistance is installed at the inner wall of filtering shell 61, has ensured filtration area's evenly distributed, thereby filtration efficiency and effect have been improved, through the setting of mounting groove 63, the stability and the filter effect of filter screen 62 have been ensured, the displacement problem that the filter screen produced because of vibration or pressure variation has been avoided, through the setting of filtering shell 61, the equidistance installation of filter plate 65 has ensured the homogeneity that the inside medium of filtering shell 61 flows, thereby filtration efficiency has been promoted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A leak-proof electric butterfly valve, comprising a motor (1), characterized in that: a flange (2) is installed on the outer wall of the motor (1), a butterfly valve body (4) is provided on the outside of the motor (1), a pipe (3) is installed on the inner wall of the butterfly valve body (4), a sealing mechanism (5) is provided on the inner wall of the pipe (3), and a filter assembly (6) is provided on the inner wall of the pipe (3); the sealing mechanism (5) comprises a first fixing plate (51), a limiting plate (52), a bolt (53), a first sealing plate (54), a second fixing plate (55), and a first sealing ring. (56) and a second sealing plate (57), the inner wall of the pipe (3) is provided with a first fixing plate (51), the inner wall of the first fixing plate (51) is installed with a limiting plate (52), the outer wall of the limiting plate (52) is installed with bolts (53), the inner wall of the limiting plate (52) is provided with a first sealing plate (54), the inner wall of the first sealing plate (54) is installed with a second fixing plate (55), the outer wall of the second fixing plate (55) is fitted with a first sealing ring (56), and the interior of the second fixing plate (55) is provided with a second sealing plate (57). 2. A leak-proof electric butterfly valve according to claim 1, characterized in that: the filter assembly (6) includes a filter shell (61), a filter screen (62), a mounting groove (63), a second sealing ring (64), and a filter plate (65); the inner wall of the pipe (3) is fitted with a filter shell (61); the inner wall of the filter shell (61) is fitted with a filter screen (62); the inner wall of the filter shell (61) is provided with a mounting groove (63); the inner wall of the mounting groove (63) is fitted with a second sealing ring (64); and the inner wall of the filter shell (61) is fitted with a filter plate (65). 3. The leak-proof electric butterfly valve according to claim 1, characterized in that: multiple bolts (53) are provided and are installed at equal intervals on the outer walls of the first sealing plate (54) and the limiting plate (52). 4. A leak-proof electric butterfly valve according to claim 1, characterized in that: the first sealing plate (54) is fixed inside the limiting plate (52) by bolts (53), and multiple first sealing rings (56) are provided and are respectively installed on the outer walls of the first sealing plate (54) and the second sealing plate (57). 5. A leak-proof electric butterfly valve according to claim 2, characterized in that: a plurality of filter screens (62) are provided, and the filter screens (62) are installed at equal intervals on the inner wall of the filter shell (61). 6. A leak-proof electric butterfly valve according to claim 2, characterized in that: the mounting groove (63) is equidistantly opened on the inner wall of the filter shell (61), and the mounting groove (63) corresponds one-to-one with the position of the filter screen (62). 7. A leak-proof electric butterfly valve according to claim 2, characterized in that: the second sealing ring (64) is respectively sleeved on the outer wall of the corresponding filter plate (65), and there are multiple filter plates (65) installed at equal intervals inside the filter shell (61).