A vacuum pump filter containing a hydrophobic silica aerogel filter element

Abstract

The utility model discloses a vacuum pump filter containing a hydrophobic silica aerogel filter element, and relates to the technical field of vacuum pump filters, including a cylinder, and also including a connecting unit arranged on the upper and lower sides of the cylinder, a circular hole opened inside the cylinder, and a filtering unit arranged inside the circular hole; the connecting unit includes a fitting component arranged at the top of the cylinder, and a locking component arranged at the bottom of the cylinder; the filtering unit includes a filter arranged inside the circular hole, a hydrophobic silica aerogel arranged inside the filter, a feeding component arranged at the top of the filter, and a sealing component arranged at the top of the feeding component. The utility model is a vacuum pump filter containing a hydrophobic silica aerogel filter element, which divides the cylinder, the top cover and the bottom plate into three parts, can quickly complete disassembly and assembly, and can detect all components of the vacuum pump filter at the same time, and compared with paper filters, filters containing hydrophobic silica aerogel have better effects.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum pump filters, in particular to a vacuum pump filter containing a hydrophobic silica aerogel filter element. Background Art

[0002] In the field of vacuum pouring and encapsulation, a vacuum pump must be used to evacuate the pouring box and reach a certain vacuum degree before the pouring process can be carried out. Since the pouring material will form steam under the action of temperature and vacuum, it will enter the vacuum pump and damage the vacuum pump. Generally, the pouring industry uses a steel cylinder with a built-in activated carbon filter.

[0003] After searching the publication (announcement) number: CN219922360U, a transparent vacuum pump filter is disclosed, including a cover body, a vacuum container interface, a filter cylinder, a base, a connecting column and a vacuum pump interface, the vacuum container interface is arranged on the cover body, the base is respectively connected to the cover body through a plurality of connecting columns, the vacuum pump interface is arranged on the base, the filter cylinder includes a transparent tube and a filter, one end of the transparent tube is arranged on the cover body, the other end of the transparent tube is arranged on the base, the filter is arranged on the inner side of the transparent tube, and the top of the filter is connected to the cover body. The utility model adopts a transparent tube as the outer wall of the filter cylinder, forming a visual management, adopts a paper filter, replaces the traditional activated carbon filter, can effectively filter air impurities, and is easy to install and has lower cost.

[0004] Although the above scheme uses a paper filter to replace the traditional activated carbon filter, which can effectively filter air impurities, is easy to install and has lower cost, the filter is not convenient to disassemble, resulting in time-consuming and labor-intensive maintenance and inspection. At the same time, the paper filter can be further optimized, and the waste inside the filter needs to be replaced in time. Utility Model Content

[0005] The main purpose of the utility model is to provide a vacuum pump filter containing a hydrophobic silica aerogel filter element. By setting a connecting unit, the problem that the filter is not convenient to disassemble, resulting in time-consuming and labor-intensive maintenance and inspection is solved. By setting a filtering unit, the problem that the paper filter can be further optimized and the waste material inside the filter needs to be replaced in time is solved.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A vacuum pump filter containing a hydrophobic silica aerogel filter element, comprising a cylinder, a connecting unit arranged on the upper and lower sides of the cylinder, a circular hole opened inside the cylinder, and a filtering unit arranged inside the circular hole;

[0008] The connecting unit includes a fitting component arranged at the top end of the cylinder, and a locking component arranged at the bottom end of the cylinder;

[0009] The filtration unit comprises a filter arranged inside the circular hole, a hydrophobic silica aerogel arranged inside the filter, a feed component arranged at the top of the filter, and a sealing component arranged at the top of the feed component.

[0010] Preferably, the fitting assembly in the connecting unit includes a top cover arranged at the top end of the cylinder, a through hole arranged in the middle of the top cover, an external interface connected to the top end of the through hole, a limit block fixedly connected to both sides of the top cover, a connecting column fixedly connected to the bottom end of the limit block, a groove opened on one side of the connecting column, and a threaded groove opened at the bottom end of the connecting column;

[0011] One end of the connecting column extends to the interior of the cylinder.

[0012] Preferably, the fitting assembly in the connecting unit further comprises a rubber ring fixedly connected to the side surface of the bottom end of the top cover, and first bolts arranged on both sides of the cylinder body;

[0013] The outer side of the rubber ring fits with the circular hole, and one end of the first bolt extends to the inside of the corresponding groove.

[0014] Preferably, the locking assembly in the connecting unit includes a bottom plate arranged at the bottom end of the cylinder, a discharge hole opened in the middle of the bottom plate, and two second bolts arranged inside the bottom plate;

[0015] One end of the second bolt extends into the corresponding thread groove.

[0016] Preferably, the feed assembly in the filter unit includes a limit seat fixedly connected to the inside of the circular hole, and a hollow feed column connected to the top of the filter;

[0017] The middle part of the limiting seat is in contact with the outer side of the filter.

[0018] Preferably, the sealing component in the filter unit includes a positioning block disposed inside the top cover, a sealing ring fixedly connected to the bottom end of the positioning block, and an expansion ring fixedly connected to the bottom end of the sealing ring;

[0019] The side surface of the expansion ring fits in with the interior of the hollow feed column.

[0020] Preferably, the filter in the filter unit is in an hourglass shape.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. In the utility model, through the setting of the connecting unit, when the filter needs to be disassembled, the two second bolts are first removed to separate the bottom plate from the cylinder, and then the two first bolts are removed to make the connecting column unrestricted, and then the top cover is pulled to pull the connecting column out of the cylinder, so that the cylinder, the top cover and the bottom plate are divided into three parts, and the disassembly and assembly can be completed quickly. At the same time, all components of the vacuum pump filter can be tested, which improves the convenience of maintenance and inspection.

[0023] 2. In the utility model, through the setting of the filter unit, when the top cover is separated from the cylinder, the expansion ring is also detached from the hollow feed column, and the waste material inside the filter can be extracted and replaced with a new hydrophobic silica aerogel, thereby improving the convenience of replacing materials. At the same time, the hydrophobic silica aerogel can process a variety of oil-water mixtures and has excellent separation effects on a variety of oil-water mixtures. Compared with paper filters, filters containing hydrophobic silica aerogels have better effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 2 It is a cross-sectional view of the utility model;

[0026] Figure 3 It is a three-dimensional structural schematic diagram of the top cover in the utility model;

[0027] Figure 4 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0028] Figure 5 For this utility model Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0029] In the figure:

[0030] 1. Cylinder;

[0031] 2. Connecting unit; 201. External interface; 202. Top cover; 203. Limit block; 204. Bottom plate; 205. First bolt; 206. Connecting column; 207. Rubber ring; 208. Groove; 209. Threaded groove; 210. Second bolt;

[0032] 3. Filter unit; 301. Limit seat; 302. Filter; 303. Positioning block; 304. Sealing ring; 305. Expansion ring; 306. Hollow feed column. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a vacuum pump filter containing a hydrophobic silica aerogel filter element comprises a barrel 1, a connecting unit 2 arranged on the upper and lower sides of the barrel 1, a circular hole opened inside the barrel 1, and a filtering unit 3 arranged inside the circular hole;

[0035] The connecting unit 2 includes a fitting component arranged at the top end of the cylinder 1, and a locking component arranged at the bottom end of the cylinder 1;

[0036] The filtration unit 3 includes a filter 302 disposed inside the circular hole, a hydrophobic silica aerogel disposed inside the filter 302, a feed assembly disposed at the top of the filter 302, and a sealing assembly disposed at the top of the feed assembly.

[0037] The fitting assembly in the connecting unit 2 includes a top cover 202 disposed at the top of the cylinder 1, a through hole disposed in the middle of the top cover 202, an external interface 201 connected to the top of the through hole, a stopper 203 fixedly connected to both sides of the top cover 202, a connecting column 206 fixedly connected to the bottom of the stopper 203, a groove 208 opened on one side of the connecting column 206, and a threaded groove 209 opened at the bottom of the connecting column 206;

[0038] One end of the connecting column 206 extends to the interior of the cylinder 1 .

[0039] The fitting assembly in the connecting unit 2 also includes a rubber ring 207 fixedly connected to the side of the bottom end of the top cover 202, and first bolts 205 arranged on both sides of the cylinder 1;

[0040] The outer side of the rubber ring 207 fits with the circular hole, and one end of the first bolt 205 extends to the inside of the corresponding groove 208 .

[0041] The locking assembly in the connecting unit 2 includes a bottom plate 204 disposed at the bottom end of the cylinder 1, a discharge hole opened in the middle of the bottom plate 204, and two second bolts 210 disposed inside the bottom plate 204;

[0042] One end of the second bolt 210 extends into the corresponding thread groove 209 .

[0043] The feed assembly in the filter unit 3 includes a stopper 301 fixedly connected to the inside of the circular hole, and a hollow feed column 306 connected to the top of the filter 302;

[0044] The middle portion of the limiting seat 301 is in contact with the outer side of the filter 302 .

[0045] The sealing component in the filter unit 3 includes a positioning block 303 disposed inside the top cover 202, a sealing ring 304 fixedly connected to the bottom end of the positioning block 303, and an expansion ring 305 fixedly connected to the bottom end of the sealing ring 304;

[0046] The side surface of the expansion ring 305 fits into the interior of the hollow feed column 306 .

[0047] The shape of the filter 302 in the filter unit 3 is an hourglass shape, which can effectively increase the contact area and filtering time between the foreign matter and the filter 302, and optimize the filtering effect.

[0048] When the filter 302 needs to be disassembled, the two second bolts 210 are first removed to disengage the bottom plate 204 from the cylinder 1, and then the two first bolts 205 are removed to unrestrict the connecting column 206, and then the top cover 202 is pulled to pull the connecting column 206 out of the cylinder 1, thereby dividing the cylinder 1, the top cover 202 and the bottom plate 204 into three parts, so that the disassembly and assembly can be completed quickly, and all components of the vacuum pump filter can be tested at the same time, thereby improving the convenience of maintenance and inspection. Example

[0049] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a vacuum pump filter containing a hydrophobic silica aerogel filter element comprises a barrel 1, a connecting unit 2 arranged on the upper and lower sides of the barrel 1, a circular hole opened inside the barrel 1, and a filtering unit 3 arranged inside the circular hole;

[0050] The connecting unit 2 includes a fitting component arranged at the top end of the cylinder 1, and a locking component arranged at the bottom end of the cylinder 1;

[0051] The filtration unit 3 includes a filter 302 disposed inside the circular hole, a hydrophobic silica aerogel disposed inside the filter 302, a feed assembly disposed at the top of the filter 302, and a sealing assembly disposed at the top of the feed assembly.

[0052] The fitting assembly in the connecting unit 2 includes a top cover 202 disposed at the top of the cylinder 1, a through hole disposed in the middle of the top cover 202, an external interface 201 connected to the top of the through hole, a stopper 203 fixedly connected to both sides of the top cover 202, a connecting column 206 fixedly connected to the bottom of the stopper 203, a groove 208 opened on one side of the connecting column 206, and a threaded groove 209 opened at the bottom of the connecting column 206;

[0053] One end of the connecting column 206 extends to the interior of the cylinder 1 .

[0054] The fitting assembly in the connecting unit 2 also includes a rubber ring 207 fixedly connected to the side of the bottom end of the top cover 202, and first bolts 205 arranged on both sides of the cylinder 1;

[0055] The outer side of the rubber ring 207 fits with the circular hole, and one end of the first bolt 205 extends to the inside of the corresponding groove 208 .

[0056] The locking assembly in the connecting unit 2 includes a bottom plate 204 disposed at the bottom end of the cylinder 1, a discharge hole opened in the middle of the bottom plate 204, and two second bolts 210 disposed inside the bottom plate 204;

[0057] One end of the second bolt 210 extends into the corresponding thread groove 209 .

[0058] The feed assembly in the filter unit 3 includes a stopper 301 fixedly connected to the inside of the circular hole, and a hollow feed column 306 connected to the top of the filter 302;

[0059] The middle portion of the limiting seat 301 is in contact with the outer side of the filter 302 .

[0060] The sealing component in the filter unit 3 includes a positioning block 303 disposed inside the top cover 202, a sealing ring 304 fixedly connected to the bottom end of the positioning block 303, and an expansion ring 305 fixedly connected to the bottom end of the sealing ring 304;

[0061] The side surface of the expansion ring 305 fits into the interior of the hollow feed column 306 .

[0062] The shape of the filter 302 in the filter unit 3 is an hourglass shape, which can effectively increase the contact area and filtering time between the foreign matter and the filter 302, and optimize the filtering effect.

[0063] When the top cover 202 is separated from the cylinder 1, the expansion ring 305 is also detached from the hollow feed column 306, and the waste material inside the filter 302 can be extracted and replaced with a new hydrophobic silica aerogel, thereby improving the convenience of replacing materials. At the same time, the hydrophobic silica aerogel can handle a variety of oil-water mixtures and has excellent separation effects on a variety of oil-water mixtures. Compared with paper filters, the filter 302 containing hydrophobic silica aerogel has better effects.

[0064] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A vacuum pump filter containing a hydrophobic silica aerogel filter element, comprising a barrel (1), characterized in that: It also includes connecting units (2) arranged on the upper and lower sides of the cylinder (1), a circular hole opened inside the cylinder (1), and a filtering unit (3) arranged inside the circular hole; The connecting unit (2) comprises a fitting component arranged at the top end of the cylinder (1), and a locking component arranged at the bottom end of the cylinder (1); The filtration unit (3) comprises a filter (302) arranged inside the circular hole, a hydrophobic silica aerogel arranged inside the filter (302), a feed component arranged at the top of the filter (302), and a sealing component arranged at the top of the feed component.

2. A vacuum pump filter containing a hydrophobic silica aerogel filter element according to claim 1, characterized in that: The fitting assembly in the connecting unit (2) comprises a top cover (202) arranged at the top end of the cylinder (1), a through hole arranged in the middle of the top cover (202), an external interface (201) arranged at the top end of the through hole, limit blocks (203) fixedly connected to both sides of the top cover (202), a connecting column (206) fixedly connected to the bottom end of the limit blocks (203), a groove (208) provided on one side of the connecting column (206), and a threaded groove (209) provided at the bottom end of the connecting column (206); One end of the connecting column (206) extends into the interior of the cylinder (1).

3. A vacuum pump filter containing a hydrophobic silica aerogel filter element according to claim 2, characterized in that: The fitting assembly in the connecting unit (2) further comprises a rubber ring (207) fixedly connected to the side surface of the bottom end of the top cover (202), and first bolts (205) arranged on both sides of the cylinder (1); The outer side of the rubber ring (207) fits into the circular hole, and one end of the first bolt (205) extends to the inside of the corresponding groove (208).

4. A vacuum pump filter containing a hydrophobic silica aerogel filter element according to claim 3, characterized in that: The locking assembly in the connecting unit (2) comprises a bottom plate (204) arranged at the bottom end of the cylinder (1), a discharge hole opened in the middle of the bottom plate (204), and two second bolts (210) arranged inside the bottom plate (204); One end of the second bolt (210) extends into the interior of the corresponding thread groove (209).

5. A vacuum pump filter containing a hydrophobic silica aerogel filter element according to claim 4, characterized in that: The feed assembly in the filter unit (3) comprises a limit seat (301) fixedly connected to the inside of the circular hole, and a hollow feed column (306) connected to the top of the filter (302); The middle portion of the limiting seat (301) fits the outer side of the filter (302).

6. A vacuum pump filter containing a hydrophobic silica aerogel filter element according to claim 5, characterized in that: The sealing component in the filter unit (3) comprises a positioning block (303) arranged inside the top cover (202), a sealing ring (304) fixedly connected to the bottom end of the positioning block (303), and an expansion ring (305) fixedly connected to the bottom end of the sealing ring (304); The side surface of the expansion ring (305) fits into the interior of the hollow feed column (306).

7. A vacuum pump filter containing a hydrophobic silica aerogel filter element according to claim 6, characterized in that: The shape of the filter (302) in the filter unit (3) is an hourglass shape.

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