CN209771657U - Assembling structure of high-pressure filter - Google Patents

Abstract

An assembly structure of a high-pressure filter comprises an upper shell, a lower shell and a barrel, wherein an annular U-shaped groove is formed in the outer edge of the inner end face of the upper shell, the inner side wall of one end of the barrel is fixedly connected with the inner side wall of the U-shaped groove, and a first sealing ring is arranged between the inner side wall of the barrel and the inner side wall of the U-shaped groove; the outer side wall of the barrel is attached to the outer side wall of the U-shaped groove, the end face of the barrel is close to the bottom face of the U-shaped groove, and a second sealing ring is arranged between the bottom face of the U-shaped groove and the end face of the barrel; a cylindrical fixing table is arranged on the inner end face of the lower shell, the inner side wall of the other end of the cylinder body is attached to the outer side wall of the cylindrical table, and the end face of the cylinder body is fixedly connected with the inner end face of the lower shell in a sealing manner; a first sealing ring is arranged between the end face of the cylinder body and the bottom surface of the U-shaped groove, so that the end face of the cylinder body and the bottom surface of the U-shaped groove can be quickly sealed when the cylinder body and the upper shell are assembled; the lower shell is welded with the barrel after being assembled, so that the lower shell can be conveniently machined, and the sealing performance and the fixing effect between the lower shell and the barrel can be improved.

Description

Assembling structure of high-pressure filter

Technical Field

The utility model relates to a filter field, concretely relates to high pressure filter's assembly structure.

Background

The working pressure of a high-pressure pipeline filter used in coal mine mechanical equipment is about 35MPa, the detection pressure during test is about 52MPa, and in order to meet the field use requirement, the high-pressure pipeline filter is far higher than other pipeline filters in the manufacturing cost, and the use performance of a product, particularly the sealing performance of the product, is influenced if the structure of the high-pressure pipeline filter is reasonable; the existing high-pressure filter generally comprises a cylinder body, wherein an upper shell and a lower shell are fixedly connected to two ends of the cylinder body in a sealing manner respectively, a filter cylinder is installed in the cylinder body, an air inlet channel and an air outlet channel are arranged in the lower shell, a gap is reserved between the filter cylinder and the inner wall of the cylinder body, two ends of the filter cylinder are respectively connected with inner end faces of the upper shell and the lower shell in a sealing manner, the air inlet channel is communicated with the gap, and the air outlet channel is communicated with a central hole of the filter cylinder; but the fixing mode between the cylinder body and the upper shell as well as the lower shell is complex, and the processing and the assembly are inconvenient.

Disclosure of Invention

To the current problem, the utility model provides a high pressure filter's assembly structure.

The utility model provides a high pressure filter's assembly structure, includes casing, lower casing and barrel, its characterized in that: an annular U-shaped groove is formed in the outer edge of the inner end face of the upper shell, the inner side wall of one end of the cylinder body is fixedly connected with the inner side wall of the U-shaped groove, and a first sealing ring is arranged between the inner side wall of the cylinder body and the inner side wall of the U-shaped groove; the outer side wall of the barrel is attached to the outer side wall of the U-shaped groove, and the end face of the barrel is close to the bottom face of the U-shaped groove; the inner end face of the lower shell is provided with a cylindrical fixed table, the inner side wall of the other end of the cylinder is attached to the outer side wall of the cylindrical table, and the end face of the cylinder is fixedly connected with the inner end face of the lower shell in a sealing mode.

Further comprises the following steps: and a second sealing ring is arranged between the bottom surface of the U-shaped groove and the end surface of the cylinder body.

Further comprises the following steps: the outer edge of the outer side wall of the U-shaped groove is positioned in the middle of the inner side wall of the U-shaped groove, and a third sealing ring is arranged between the outer side wall of the U-shaped groove and the barrel; the inner end portion of the inner side wall of the U-shaped groove is provided with threads, the inner side wall of the barrel is in threaded fit with the inner side wall of the U-shaped groove, and the first sealing ring is located at the end portion of the outer end of the inner side wall of the U-shaped groove.

Further comprises the following steps: the first sealing ring is embedded on the inner side wall of the U-shaped groove, the second sealing ring is embedded on the bottom surface of the U-shaped groove, and the third sealing ring is embedded on the outer side wall of the U-shaped groove.

Further comprises the following steps: and the inner end surface of the lower shell is welded with the end surface of the cylinder.

The utility model has the advantages that: when the barrel is matched with the U-shaped groove on the upper shell, the outer side wall and the inner side wall of the barrel are attached to the U-shaped side wall, so that gas is stored in the end face of the barrel and the bottom surface of the U-shaped groove, the gas is slowly leaked, the end face of the barrel cannot be rapidly attached to the bottom surface of the U-shaped groove, the first sealing ring is arranged between the end face of the barrel and the bottom surface of the U-shaped groove, and the end face of the barrel and the bottom surface of the U-shaped groove can be rapidly sealed when the barrel; the lower shell is welded with the barrel after being assembled, so that the lower shell can be conveniently machined, and the sealing performance and the fixing effect between the lower shell and the barrel can be improved.

Drawings

FIG. 1 is a cross-sectional structural view of the present invention;

Fig. 2 is a schematic structural view of the region a in fig. 1.

In the figure, 1, an upper shell; 11. a U-shaped groove; 12. flood generator holes; 2. a barrel; 3. a lower housing; 31. an air intake passage; 32. an air outlet channel; 4. a filter cartridge; 51. a first seal ring; 52. a second seal ring; 53. and a third sealing ring.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.

An assembly structure of a high-pressure filter is shown in fig. 1 and 2 and comprises an upper shell 1, a lower shell 3 and a cylinder 2, wherein an annular U-shaped groove 11 is formed in the outer edge of the inner end face of the upper shell 1, the inner side wall of one end of the cylinder 2 is fixedly connected with the inner side wall of the U-shaped groove 11, and a first sealing ring 51 is arranged between the inner side wall of the cylinder 2 and the inner side wall of the U-shaped groove 11; the outer side wall of the barrel body 2 is attached to the outer side wall of the U-shaped groove 11, the end face of the barrel body 2 is close to the bottom face of the U-shaped groove 11, the bottom face of the U-shaped groove 11 is a plane, and a second sealing ring 52 is arranged between the bottom face of the barrel body 2 and the U-shaped groove 11; the inner end face of the lower shell 3 is provided with a cylindrical fixing table, the inner side wall of the other end of the cylinder body 2 is attached to the outer side wall of the cylindrical table, and the end face of the cylinder body 2 is fixedly connected with the inner end face of the lower shell 3 in a sealing mode.

The outer edge of the outer side wall of the U-shaped groove 11 is positioned in the middle of the inner side wall of the U-shaped groove 11, a third sealing ring 53 is arranged between the outer side wall of the U-shaped groove 11 and the barrel 2, the third sealing ring 53 is embedded on the outer side wall of the U-shaped groove 11, and the second sealing ring 52 is embedded on the bottom surface of the U-shaped groove 11; the inner tip of 11 inside walls in U type groove is equipped with the screw thread, the inside wall of barrel 2 with 11 inside wall screw-thread fit in U type groove, first sealing washer 51 is located the outer end tip of 11 inside walls in U type groove, first sealing washer 51 inlays to be established on the inside wall in U type groove 11. The inner end surface of the lower shell 3 is welded with the end surface of the cylinder 2.

In addition, as shown in fig. 1, in the high pressure filter applied in the present invention, a filter cartridge 4 is disposed in the cylinder 2, two ends of the filter cartridge 4 are respectively connected to the inner end surfaces of the upper casing 1 and the lower casing 3 in a sealing manner, a gap is left between the outer circumference of the filter cartridge 4 and the inner wall of the cylinder 2, an air inlet channel 31 and an air outlet channel 32 are disposed on the lower casing 3, the air inlet channel 31 is communicated with the gap, and the air outlet channel 32 is communicated with the central hole of the filter cartridge 4; the positions of the two ends of the filter cylinder 4 in the central hole are provided with joint pipes which are respectively embedded in the middle of the inner end surfaces of the upper shell 1 and the lower shell 3; the middle part of the inner end face of the upper shell 1 is provided with a sunken platform, the upper shell 1 is provided with a transmitter hole 12 for mounting a transmitter, the transmitter hole 12 is communicated with the sunken platform, and the sunken platform is communicated with the gap.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a high pressure filter's assembly structure, includes casing, lower casing and barrel, its characterized in that: an annular U-shaped groove is formed in the outer edge of the inner end face of the upper shell, the inner side wall of one end of the cylinder body is fixedly connected with the inner side wall of the U-shaped groove, and a first sealing ring is arranged between the inner side wall of the cylinder body and the inner side wall of the U-shaped groove; the outer side wall of the barrel is attached to the outer side wall of the U-shaped groove, and the end face of the barrel is close to the bottom face of the U-shaped groove; the inner end face of the lower shell is provided with a cylindrical fixing table, the inner side wall of the other end of the cylinder is attached to the outer side wall of the cylindrical fixing table, and the end face of the cylinder is fixedly connected with the inner end face of the lower shell in a sealing mode.

2. the assembling structure of a high pressure filter according to claim 1, wherein: and the inner end surface of the lower shell is welded with the end surface of the cylinder.

3. The assembling structure of a high pressure filter according to claim 1, wherein: and a second sealing ring is arranged between the bottom surface of the U-shaped groove and the end surface of the cylinder body.

4. A high pressure filter assembling structure according to claim 3, wherein: the outer edge of the outer side wall of the U-shaped groove is positioned in the middle of the inner side wall of the U-shaped groove, and a third sealing ring is arranged between the outer side wall of the U-shaped groove and the barrel; the inner end portion of the inner side wall of the U-shaped groove is provided with threads, the inner side wall of the barrel is in threaded fit with the inner side wall of the U-shaped groove, and the first sealing ring is located at the end portion of the outer end of the inner side wall of the U-shaped groove.

5. The assembling structure of a high pressure filter according to claim 4, wherein: the first sealing ring is embedded on the inner side wall of the U-shaped groove, the second sealing ring is embedded on the bottom surface of the U-shaped groove, and the third sealing ring is embedded on the outer side wall of the U-shaped groove.