Exhaust structure of bag type filter

Abstract

The exhaust structure comprises an exhaust connector and an exhaust cap connected to the end of the exhaust connector in a sleeved mode, a sealing block is movably connected to the middle of the inner wall of the exhaust cap, sliding blocks are movably installed on the two sides of the outer wall of the bottom of the sealing block, and the outer wall of the sealing block is attached to a port of the inner wall of the exhaust connector. And inserting grooves are formed in the two ends of the bottom of the sealing block, inserting rods are inserted into the inserting grooves, and the rod parts of the inserting rods are movably connected with gas separation membranes. According to the exhaust structure of the bag type filter, the sliding block is assembled on the outer wall of the bottom of the sealing block and slidably connected with the sliding groove formed in the inner wall of the exhaust connector, so that when gas is exhausted, gas pressure can be prevented from pushing the exhaust cap to be separated from the exhaust connector; the insertion grooves are formed in the bottoms of the sealing blocks, the insertion rods are inserted into the insertion grooves, the rod parts of the insertion rods are sleeved with the holes formed in the two ends of the gas separation membrane, the gas separation membrane is fixed by inserting the insertion rods into the insertion grooves, and during exhausting, the gas separation membrane can effectively prevent liquid in the filter from overflowing.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to an exhaust structure of a capsule filter. Background Art

[0002] Capsule filters, also called integrated filters, are a special type of filter suitable for the filtration of solvents and corrosive solutions, and vent filtration of air and gases.

[0003] The port of the capsule filter's exhaust port connector is usually threaded with an exhaust cap for sealing. When in use, the exhaust cap is opened to exhaust the gas inside the filter. After the inside is filled with liquid, the exhaust cap is screwed on to seal it. After exhausting, a lot of liquid will overflow from the exhaust port connector, causing liquid waste and inconvenient management and use. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an exhaust structure for a capsule filter, which has the advantages of facilitating exhaust and preventing liquid from overflowing, thereby solving the problem that the prior device is prone to liquid overflowing after exhausting.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust structure of a capsule filter, comprising an exhaust joint and an exhaust cap sleeved at the end of the exhaust joint, the outer wall of the exhaust joint is provided with an external thread and the exhaust cap is threadedly sleeved, a sealing block is movably connected to the middle of the inner wall of the exhaust cap, sliders are movably installed on both sides of the outer wall of the bottom of the sealing block, the outer wall of the sealing block is fitted with the inner wall port of the exhaust joint, a plurality of exhaust inner holes are opened around one end of the sealing block, a plurality of exhaust outer holes are opened around one end of the exhaust cap, and an exhaust cavity is opened on the inner wall of the sealing block;

[0006] Slots are provided at both ends of the bottom of the sealing block, and plug rods are inserted into the slots. The rod portion of the plug rod is movably connected to a gas separation membrane.

[0007] Furthermore, the exhaust inner hole corresponds to the exhaust outer hole, and the exhaust cavity is communicated with the exhaust inner hole and the exhaust outer hole.

[0008] Furthermore, a slide groove is provided on the inner wall of the exhaust joint, and the inner wall of the slide groove is slidably connected to the outer wall of the slider.

[0009] Furthermore, holes are formed at both ends of the gas separation membrane to sleeve the rod portion of the insertion rod.

[0010] Furthermore, the gas separation membrane is a composite membrane, which effectively blocks liquid penetration and maintains gas flux.

[0011] Furthermore, the exhaust cap and the sealing block are both made of transparent materials, and the sealing block and the sliding block are made of rubber.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The exhaust structure of the capsule filter is provided with a sealing block fitted to the inner wall of the exhaust joint port in the middle of the inner wall of the exhaust cap, and the sealing block and the exhaust cap are both provided with corresponding exhaust inner holes and exhaust outer holes, and an exhaust cavity is formed by cooperating with the inner wall of the sealing block. The exhaust cavity is connected with the exhaust inner hole and the exhaust outer hole, so that the gas in the exhaust joint flows to the exhaust inner hole and the exhaust outer hole through the exhaust cavity, thereby realizing the discharge of the gas in the filter.

[0014] 2. The exhaust structure of the capsule filter is provided with a slider assembled on the outer wall of the bottom of the sealing block and slidably connected to the slide groove opened on the inner wall of the exhaust joint, so that when the gas is discharged, the slider is slidably connected in the slide groove to prevent the air pressure from pushing the exhaust cap away from the exhaust joint.

[0015] 3. The exhaust structure of the capsule filter is provided with a slot at the bottom of the sealing block and a plug rod is inserted therein, and the rod portion of the plug rod is sleeved with the holes at both ends of the gas separation membrane, so that the gas separation membrane is fixed by inserting the plug rod into the slot, so that when exhausting, the gas separation membrane can effectively prevent the liquid in the filter from overflowing, thereby reducing waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structural section of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure disassembly of the utility model;

[0019] In the figure: 1. exhaust joint; 2. exhaust cap; 3. sealing block; 4. slider; 5. slide groove; 6. exhaust inner hole; 7. exhaust outer hole; 8. exhaust cavity; 9. slot; 10. rod; 11. gas separation membrane. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3In this embodiment, an exhaust structure of a capsule filter comprises an exhaust joint 1 and an exhaust cap 2 sleeved on the end of the exhaust joint 1. The outer wall of the exhaust joint 1 is provided with an external thread and the exhaust cap 2 is threadedly sleeved. A sealing block 3 is movably connected to the middle of the inner wall of the exhaust cap 2. Slide blocks 4 are movably installed on both sides of the outer wall of the bottom of the sealing block 3. The outer wall of the sealing block 3 fits with the inner wall port of the exhaust joint 1. A plurality of exhaust inner holes 6 are opened around one end of the sealing block 3. A plurality of exhaust outer holes 7 are opened around one end of the exhaust cap 2. An exhaust cavity 8 is opened on the inner wall of the sealing block 3.

[0022] Slots 9 are provided at both ends of the bottom of the sealing block 3 , and plug rods 10 are inserted into the slots 9 . The rod portion of the plug rod 10 is movably connected to a gas separation membrane 11 .

[0023] In this embodiment, a sealing block 3 is provided at the middle of the inner wall of the exhaust cap 2, which is fitted with the inner wall of the exhaust connector 1, and the sealing block 3 and the exhaust cap 2 are both provided with corresponding exhaust inner holes 6 and exhaust outer holes 7, and an exhaust cavity 8 is formed by the inner wall of the sealing block 3, and the exhaust cavity 8 is connected with the exhaust inner hole 6 and the exhaust outer hole 7, so that the gas in the exhaust connector 1 flows to the exhaust inner hole 6 and the exhaust outer hole 7 through the exhaust cavity 8, thereby realizing the discharge of the gas in the filter;

[0024] By arranging a slider 4 on the outer wall of the bottom of the sealing block 3 and slidingly connecting the slider 4 to the slide groove 5 provided on the inner wall of the exhaust joint 1, when the gas is discharged, the slider 4 is slidably connected in the slide groove 5 to prevent the gas pressure from pushing the exhaust cap 2 away from the exhaust joint 1;

[0025] By providing a slot 9 at the bottom of the sealing block 3 and inserting the plug rod 10, the rod portion of the plug rod 10 is sleeved into the holes at both ends of the gas separation membrane 11, so that the gas separation membrane 11 can be fixed by inserting the plug rod 10 in the slot 9, so that when exhausting, the gas separation membrane 11 can effectively prevent the liquid in the filter from overflowing, thereby reducing waste.

[0026] See also Figure 2 In order to facilitate exhaust in the filter, in this embodiment, the sealing block 3, the exhaust inner hole 6, the exhaust outer hole 7, and the exhaust cavity 8;

[0027] The exhaust inner hole 6 corresponds to the exhaust outer hole 7 , and the exhaust cavity 8 is communicated with the exhaust inner hole 6 and the exhaust outer hole 7 .

[0028] In this embodiment, the exhaust cap 2 and the exhaust inner hole 6 opened around one end of the sealing block 3 are arranged to correspond to the exhaust outer hole 7, and the exhaust inner hole 6 is connected to the exhaust cavity 8, so that the exhaust cap 2 can be rotated and moved, and the exhaust cap 2 drives the sealing block 3 to move, and the exhaust inner hole 6 opened on the sealing block 3 is separated from the inner wall of the exhaust joint 1, so that the gas in the filter flows to the exhaust cavity 8 through the exhaust joint 1, and then is discharged through the exhaust inner hole 6 and the exhaust outer hole 7, thereby realizing the discharge of the gas in the filter.

[0029] See also Figure 2 In order to prevent the air pressure from pushing the exhaust cap 2 away from the exhaust joint 1 during exhaust, the slider 4 and the slide groove 5 in this embodiment;

[0030] A slide groove 5 is provided on the inner wall of the exhaust joint 1, and the inner wall of the slide groove 5 is slidably connected to the outer wall of the slider 4. The exhaust cap 2 and the sealing block 3 are both made of transparent materials, and the sealing block 3 and the slider 4 are made of rubber.

[0031] In this embodiment, a slide groove 5 is provided in the exhaust joint 1 and a slider 4 is slidably connected to the outer wall of the sealing block 3. When the sealing block 3 is driven to rotate and move by the exhaust cap 2, the sealing block 3 drives the slider 4 to slide in the slide groove 5, so that the sealing block 3 is clamped in the exhaust joint 1 through the slider 4, preventing the air pressure from pushing the exhaust cap 2 away from the exhaust joint 1.

[0032] It should be noted that the rubber material of the sealing block 3 and the slider 4 provides air tightness for the exhaust joint 1. At the same time, the inclined wedge surface of the end of the slide groove 5 can facilitate pushing the slider 4 to squeeze the sealing block 3, thereby facilitating the exhaust cap 2 to drive the sealing block 3 to separate from the exhaust joint 1.

[0033] See also Figure 3 , in order to prevent liquid from overflowing, in this embodiment, the slot 9, the plug rod 10, and the gas separation membrane 11;

[0034] The gas separation membrane 11 has holes at both ends thereof and is sleeved with the rod portion of the plug rod 10 . The gas separation membrane 11 is a composite membrane, which effectively blocks liquid penetration and maintains gas flux.

[0035] In this embodiment, the gas separation membrane 11 is made of a composite membrane material, and the holes at both ends are sleeved on the plug rod 10, and the plug rod 10 is inserted into the slot 9 to fix the gas separation membrane 11, so that the gas in the exhaust joint 1 is discharged into the exhaust chamber 8 through the gas separation membrane 11. After the exhaust is completed, the gas separation membrane 11 prevents the liquid from overflowing into the exhaust chamber 8.

[0036] It should be noted that the gas separation membrane 11 can be easily replaced by pulling out the plug rod 10 .

[0037] The working principle of the above embodiment is:

[0038] 1. A sealing block 3 is provided in the middle of the inner wall of the exhaust cap 2, which fits the inner wall of the exhaust joint 1 port. The sealing block 3 and the exhaust cap 2 are both provided with corresponding exhaust inner holes 6 and exhaust outer holes 7. An exhaust cavity 8 is formed by the inner wall of the sealing block 3. The exhaust cavity 8 is connected with the exhaust inner hole 6 and the exhaust outer hole 7, so that the gas in the exhaust joint 1 flows to the exhaust inner hole 6 and the exhaust outer hole 7 through the exhaust cavity 8, thereby realizing the discharge of the gas in the filter.

[0039] 2. A slider 4 is assembled on the outer wall of the bottom of the sealing block 3 and slidably connected to a slide groove 5 provided on the inner wall of the exhaust joint 1, so that when the gas is discharged, the slider 4 is slidably connected in the slide groove 5 to prevent the gas pressure from pushing the exhaust cap 2 away from the exhaust joint 1.

[0040] 3. A slot 9 is provided at the bottom of the sealing block 3 and a plug rod 10 is inserted therein. The rod portion of the plug rod 10 is sleeved into the holes at both ends of the gas separation membrane 11, so that the gas separation membrane 11 is fixed by inserting the plug rod 10 into the slot 9. Therefore, when exhausting gas, the gas separation membrane 11 can effectively prevent the liquid in the filter from overflowing, thereby reducing waste.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust structure of a capsule filter, comprising an exhaust joint (1) and an exhaust cap (2) sleeved on the end of the exhaust joint (1), wherein the outer wall of the exhaust joint (1) is provided with an external thread and the exhaust cap (2) is threadedly sleeved, and characterized in that: A sealing block (3) is movably connected to the middle of the inner wall of the exhaust cap (2), and sliding blocks (4) are movably installed on both sides of the outer wall of the bottom of the sealing block (3). The outer wall of the sealing block (3) is in contact with the inner wall port of the exhaust joint (1). A plurality of exhaust inner holes (6) are formed around one end of the sealing block (3), and a plurality of exhaust outer holes (7) are formed around one end of the exhaust cap (2). An exhaust cavity (8) is formed on the inner wall of the sealing block (3); Slots (9) are provided at both ends of the bottom of the sealing block (3), and the slots (9) are plugged with plug rods (10), and the rod portion of the plug rod (10) is movably connected to a gas separation membrane (11).

2. The exhaust structure of a capsule filter according to claim 1, characterized in that: The exhaust inner hole (6) corresponds to the exhaust outer hole (7), and the exhaust cavity (8) is in communication with the exhaust inner hole (6) and the exhaust outer hole (7).

3. The exhaust structure of a capsule filter according to claim 1, characterized in that: The inner wall of the exhaust joint (1) is provided with a sliding groove (5), and the inner wall of the sliding groove (5) is slidably connected to the outer wall of the sliding block (4).

4. The exhaust structure of a capsule filter according to claim 1, characterized in that: The gas separation membrane (11) has openings at both ends thereof for sleeve-connecting the rod portion of the insertion rod (10).

5. The exhaust structure of a capsule filter according to claim 1, characterized in that: The gas separation membrane (11) is a composite membrane that effectively blocks liquid penetration and maintains gas flux.

6. The exhaust structure of a capsule filter according to claim 1, characterized in that: The exhaust cap (2) and the sealing block (3) are both made of transparent materials, and the sealing block (3) and the sliding block (4) are made of rubber materials.

Images