CN216537491U - A kind of electric spark filter with good sealing performance - Google Patents

Abstract

The utility model discloses an electric spark filter with good sealing performance, which comprises a base and a top seat. A first threaded sleeve is fixedly connected to the outer periphery of one side of the base and the top seat that are close to each other. The inner side is threadedly connected to the upper and lower ends of the outer net, the base and the top seat are provided with grooves on the inner side of the first threaded sleeve, the inner side of the groove is fixedly connected with a first sealing ring, and the upper end of the top seat is provided with grooves. The outer periphery of the opening is fixedly connected with a second threaded sleeve, the upper end of the second threaded sleeve is threadedly connected with a connecting piece, the lower end of the connecting piece is fixedly connected with a second sealing ring, and the upper end opening of the connecting piece is fixedly connected with a Sealed bearings. In the utility model, the conduit and the spark filter are easily disassembled, the sealing performance at the joint between the conduit and the spark filter is better, the filter element is easily replaced, and the service life of the spark filter is prolonged.

Description

A kind of electric spark filter with good sealing performance

technical field

The utility model relates to the technical field of electric spark filtering, in particular to an electric spark filter with good sealing performance.

Background technique

The spark filter is a filter device used in the pipeline, which can block and collect impurities. The filter generally consists of a cylinder body, a stainless steel filter screen, a sewage part, a transmission device and an electrical control part.

Chinese patent document CN214809047U discloses a filter for WEDM, including an upper cover, an outer mesh, an outer filter material, a lower cover, a side water inlet, an inner mesh, an inner filter material and a filter space. The water inlet is arranged on the side of the upper cover and the upper end of the filter space, which can save the original middle end cover and reduce the product cost. The bonding area between the net and the inner net and the upper cover and the lower cover is increased to prevent the explosion of the cover, ensuring the quality of the product and improving the service life, but the patent mainly has the following two shortcomings. The service life of the spark filter is not long. Second, the sealing performance of the connection between the spark filter and the pipeline is not strong, which leads to oil leakage at the connection during filtering, and the filtering effect is not good.

Utility model content

The purpose of the utility model is to provide an electric spark filter with good sealing performance in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric spark filter with good sealing performance includes a base and a top seat, and the outer periphery of one side of the base and the top seat that are close to each other is fixedly connected with a first thread The inner side of the first threaded sleeve is both threadedly connected to the upper and lower ends of the outer net, the base and the top seat are located on the inner side of the first threaded sleeve and are provided with grooves, and the inner sides of the grooves are fixedly connected with the first threaded sleeve. A sealing ring, a second threaded sleeve is fixedly connected to the outer periphery of the upper end opening of the top seat, a connecting piece is threadedly connected to the upper end of the second threaded sleeve, and a second sealing ring is fixedly connected to the lower end of the connecting piece. A sealed bearing is fixedly connected in the upper end opening of the connecting piece.

As a further description of the above technical solution:

Both the upper and lower ends of the outer net are attached to the side close to the first sealing ring.

As a further description of the above technical solution:

The inner side of the outer mesh is sequentially distributed with a first filter element, a middle mesh, a second filter element and an inner mesh.

As a further description of the above technical solution:

The upper and lower ends of the first filter element, the middle net, the second filter element and the inner net are all attached to the side close to the base and the top seat.

As a further description of the above technical solution:

The lower end of the second sealing ring is fitted with the outer circumference of the inner and lower ends of the second threaded sleeve.

As a further description of the above technical solution:

A conduit is fixedly connected to the inside of the sealed bearing.

As a further description of the above technical solution:

The outer diameter of the sealed bearing is equal to the inner diameter of the upper end opening of the connecting piece.

The utility model has the following beneficial effects:

1. In the present utility model, firstly, install the sealing bearing on the upper end of the connector to the outer circumference of the lower end of the conduit, install the second threaded sleeve on the upper end of the spark filter to the lower end of the connector, and rotate the connector to make the The second sealing ring is squeezed to keep the connection in a sealed state. By arranging a sealing bearing in the upper end opening of the connecting piece, and arranging the second sealing ring at the lower end of the connecting piece, the conduit and the spark filter are easily disassembled. And the sealing performance at the junction of the conduit and the spark filter is better.

2. In this utility model, when the first filter element and the second filter element of the spark filter need to be replaced, the connecting piece is rotated, the spark filter is removed, the top seat and the base are rotated, the base and the top seat are removed, and the first filter element is removed. After removing the first filter element and the second filter element, and installing a new filter element, after installing the base and the top seat 2, the filter element can be replaced, and the service life of the spark filter can be extended.

Description of drawings

Fig. 1 is the perspective view of a kind of electric spark filter with good sealing performance proposed by the utility model;

Fig. 2 is the front view internal structure diagram of a kind of electric spark filter with good sealing performance proposed by the utility model;

Fig. 3 is the enlarged view of A place in Fig. 2;

FIG. 4 is an enlarged view of B in FIG. 2 .

illustration:

1. Base; 2. Top seat; 3. First thread sleeve; 4. Outer net; 5. Groove; 6. First sealing ring; 7. First filter element; 8. Middle net; 9. Second filter element; 10. Inner net; 11. Second threaded sleeve; 12. Connecting piece; 13. Second sealing ring; 14. Sealed bearing; 15. Conduit.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance. In addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-3, an embodiment provided by the present utility model: an electric spark filter with good sealing performance, comprising a base 1 and a top seat 2, and the outer periphery of the adjacent side of the base 1 and the top seat 2 are fixedly connected There is a first threaded sleeve 3, the inner side of the first threaded sleeve 3 is threadedly connected to the upper and lower ends of the outer net 4, the base 1 and the top seat 2 are located on the inner side of the first threaded sleeve 3 are provided with grooves 5, and the inner side of the groove 5 is provided with grooves 5. Both are fixedly connected with the first sealing ring 6. When the first filter element 7 and the second filter element 9 of the spark filter need to be replaced, turn the connecting piece 12, remove the spark filter, rotate the top seat 2 and the base 1, and place the base 1 and the top seat 2 are removed, the first filter element 7 and the second filter element 9 are removed, and after installing the new filter element, after the base 1 and the top seat 2 are installed, the filter element can be replaced, and the extended EDM filter can be realized. To prolong the service life of the device, a second threaded sleeve 11 is fixedly connected to the outer periphery of the upper opening of the top seat 2, the upper end of the second threaded sleeve 11 is threadedly connected with a connecting piece 12, and the lower end of the connecting piece 12 is fixedly connected with a second sealing ring 13, A sealing bearing 14 is fixedly connected in the upper end opening of the connecting piece 12 , the sealing bearing 14 at the upper end of the connecting piece 12 is installed on the outer periphery of the lower end of the conduit 15 , and the second threaded sleeve 11 on the upper end of the spark filter is installed on the lower end of the connecting piece 12 , and rotate the connecting piece 12, so that the second sealing ring 13 of the connecting piece 12 is squeezed, so that the connection is in a sealed state. The second sealing ring 13 realizes the convenient disassembly of the conduit 15 and the spark filter, and has better sealing performance at the connection between the conduit 15 and the spark filter.

The upper and lower ends of the outer net 4 are attached to the side close to the first sealing ring 6, which has a sealing effect. The upper and lower ends of the net 10, the first filter element 7, the middle net 8, the second filter element 9 and the inner net 10 are all attached to the side close to the base 1 and the top seat 2. The outer net 4, the first filter element 7, the middle net 8. The second filter element 9 and the inner net 10 play the role of filtering electric sparks. The lower end of the second sealing ring 13 is fitted with the outer circumference of the inner and lower ends of the second threaded sleeve 11. The inner part of the sealing bearing 14 is fixedly connected with a conduit 15, and the sealing The outer diameter of the bearing 14 is equal to the inner diameter of the upper end opening of the connecting piece 12 , which facilitates the installation of the conduit 15 .

Working principle: First, install the sealed bearing 14 on the upper end of the connecting piece 12 to the outer circumference of the lower end of the conduit 15, install the second threaded sleeve 11 on the upper end of the spark filter to the lower end of the connecting piece 12, and turn the connecting piece 12 to make the connection The second sealing ring 13 of the connecting piece 12 is squeezed, so that the connection is in a sealed state. 15 and the spark filter are easy to disassemble, and the sealing performance at the connection between the conduit 15 and the spark filter is better. When the first filter element 7 and the second filter element 9 of the spark filter need to be replaced, turn the connecting piece 12, remove the Remove the spark filter, turn the top seat 2 and the base 1, remove the base 1 and the top seat 2, remove the first filter element 7 and the second filter element 9, install a new filter element, and install the base 1 and the second filter element 9. Top seat 2, the filter element can be replaced, and the service life of the spark filter can be extended.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (7)

1. An electric spark filter with good sealing performance, comprising a base (1) and a top seat (2), characterized in that: the outer periphery of one side adjacent to the base (1) and the top seat (2) is fixedly connected There is a first threaded sleeve (3), the inner side of the first threaded sleeve (3) is threadedly connected to the upper and lower ends of the outer mesh (4), and the base (1) and the top seat (2) are located in the first threaded sleeve ( 3) A groove (5) is provided on the inner side, the inner side of the groove (5) is fixedly connected with a first sealing ring (6), and the outer periphery of the upper end opening of the top seat (2) is fixedly connected with a first sealing ring (6). A second threaded sleeve (11), the upper end of the second threaded sleeve (11) is threadedly connected with a connecting piece (12), and the lower end of the connecting piece (12) is fixedly connected with a second sealing ring (13). A sealed bearing (14) is fixedly connected in the upper end opening of the piece (12). 2. An electric spark filter with good sealing performance according to claim 1, characterized in that: the upper and lower ends of the outer mesh (4) are attached to the side close to the first sealing ring (6). . 3. An electric spark filter with good sealing performance according to claim 1, characterized in that: the inner side of the outer mesh (4) is sequentially distributed with a first filter element (7), a middle mesh (8), a first filter element (7), a The second filter element (9) and the inner net (10). 4. The electric spark filter with good sealing performance according to claim 3, characterized in that: the first filter element (7), the middle net (8), the second filter element (9) and the inner net (10) ), the upper and lower ends are attached to the side adjacent to the base (1) and the top base (2). 5 . The spark filter with good sealing performance according to claim 1 , wherein the lower end of the second sealing ring ( 13 ) is fitted with the outer circumference of the inner and lower ends of the second threaded sleeve ( 11 ). 6 . 6 . The spark filter with good sealing performance according to claim 1 , characterized in that a conduit ( 15 ) is fixedly connected to the inside of the sealing bearing ( 14 ). 7 . 7 . The spark filter with good sealing performance according to claim 1 , wherein the outer diameter of the sealing bearing ( 14 ) is equal to the inner diameter of the upper end opening of the connecting piece ( 12 ). 8 .

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