CN219744096U

CN219744096U - Filter device

Info

Publication number: CN219744096U
Application number: CN202321023496.5U
Authority: CN
Inventors: 郁春辉; 黄贤超; 于凤献
Original assignee: Maiborui New Material Jiaxing Co ltd
Current assignee: Maiborui New Material Jiaxing Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-09-26
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to the technical field of filter structures, in particular to a filter, which comprises a shell, wherein a filter element unit is arranged in the shell, a liquid inlet, a liquid outlet, a filtering outlet and an exhaust port are formed in the shell, an exhaust component communicated with the exhaust port is arranged on the exhaust port, the exhaust component comprises an exhaust connector and a plug matched in the exhaust connector, a first sealing element is arranged between the inner wall of the exhaust connector and the outer wall of the plug, a convex ring is arranged on the exhaust connector along the axial direction of the exhaust connector, a groove is formed in the plug, the convex ring is arranged in the groove, and a second sealing element is arranged between the outer wall of the convex ring and the inner wall of the groove. The double sealing structure of the first sealing element and the second sealing element better ensures the air tightness and the pressure stability of the filter in the working process.

Description

Filter device

Technical Field

The utility model relates to the technical field of filter structures, in particular to a filter.

Background

The filter used in the filtration of corrosive liquids such as lithium battery slurry and corrosive solvents is usually provided with a liquid inlet, a liquid outlet and an exhaust port on the housing, the exhaust port being arranged at the highest position of the housing, so that the stock solution enters and air is displaced from the exhaust port.

In general, the filter is generally used for fluid with high viscosity, the working pressure is generally above 0.4Mpa, and the requirements on tightness and strength of the shell are high. The existing filter has poor tightness of the exhaust port, so that the air tightness is poor when the filter is used, the internal pressure is unstable, and the filtering efficiency and the filtering effect are affected.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a filter for solving the problem of poor sealing of an exhaust port in the prior art.

To achieve the above and other related objects, the present utility model provides a filter, including a housing, in which a filter element unit is disposed, and in which a liquid inlet, a liquid outlet, a filtering outlet, and an air outlet are disposed, and in which an air exhaust assembly communicating with the air outlet is disposed, and the air exhaust assembly includes an air exhaust joint and a plug fitted in the air exhaust joint, a first sealing member is disposed between an inner wall of the air exhaust joint and an outer wall of the plug, the air exhaust joint is provided with a convex ring along an axial direction thereof, a groove is disposed on the plug, the convex ring is disposed in the groove, and a second sealing member is disposed between an outer wall of the convex ring and an inner wall of the groove.

Optionally, the outer wall of the plug is provided with a step, and the first sealing element is arranged between the step and the inner wall of the exhaust joint.

Optionally, an annular groove is formed in the outer wall of the plug, and the first sealing element is arranged between the annular groove and the inner wall of the exhaust joint.

Optionally, the casing include the base with set up in barrel on the base, the base with communicate between the barrel, the filter element unit with be provided with between the barrel and be used for the fin to barrel axial support.

Optionally, the number of the fins is multiple, and the fins are uniformly distributed along the circumferential direction of the bottom wall of the cylinder.

Optionally, a flange for connecting with the exhaust assembly is arranged on the outer wall of the cylinder.

Optionally, the bottom of the cylinder body is conical or arc-shaped.

Optionally, be provided with the inner tube in the base and set up the card on the inner tube, the filter element unit pass through the card set up in the base, and the filter element unit pass through the card with the inner tube intercommunication.

Optionally, the filter element unit includes a plurality of filter elements, be provided with a plurality of with the connecting hole that the filter element corresponds the setting on the flower board, each the filter element through the connecting hole that corresponds the setting with the inner tube intercommunication.

Optionally, the inner barrel bottom wall is provided with a stiffener extending radially along the inner barrel.

As described above, the filter of the present utility model has the following advantageous effects:

the shell is provided with a liquid inlet, a liquid outlet, a filtering outlet and an exhaust port, and the exhaust port is provided with an exhaust assembly communicated with the exhaust port. The exhaust assembly comprises an exhaust joint and a plug matched in the exhaust joint, and a first sealing piece is arranged between the inner wall of the exhaust joint and the outer wall of the plug. The exhaust joint is provided with the bulge loop along its axial, is provided with the recess on the end cap, and the bulge loop sets up in the recess to be provided with the second sealing member between bulge loop outer wall and the recess inner wall. The double sealing structure formed by the first sealing element and the second sealing element better ensures the air tightness and the pressure stability of the filter in the working process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exhaust connector and plug structure according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating the mating of an exhaust fitting and a plug according to an embodiment of the present utility model;

FIG. 4 is a perspective view of an exhaust fitting and plug according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a cylinder structure according to an embodiment of the present utility model;

FIG. 6 is an overall exploded view of an embodiment of the present utility model;

FIG. 7 is a schematic diagram of the cooperation of a faceplate and a base according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of the inner barrel, the faceplate and the base according to an embodiment of the present utility model.

Description of the part reference numerals

1-a housing; 11-a base; 111-a filtration outlet; 112-liquid inlet; 113-a liquid outlet; 114-an inner barrel; 115-reinforcing ribs; 12-a cylinder; 121-fins; 122-exhaust port; 123-flanges; 2-a cartridge unit; 21-a flower plate; 211-connecting holes; 22-a filter element; 3-exhaust joint; 31-a second seal; 32-convex rings; 4-plugs; 41-a first seal; 42-grooves; 43-ring groove; 44-steps.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1 and 2, the present embodiment provides a filter, which includes a housing 1, a filter element unit 2 for filtering is disposed in the housing 1, a liquid inlet 112, a liquid outlet 113, a filtering outlet 111 and an air outlet 122 are disposed on the housing 1, and the air outlet 122 is disposed on the top of the housing 1. Fluid to be filtered enters the housing 1 from the inlet 112, the outlet 122 is opened and the outlet 113 is closed. When fluid begins to be filtered through the cartridge unit 2, the exhaust port 122 is closed and the interior of the housing 1 is sealed. After filtration, the filtered fluid flows out of the filtration outlet 111 to obtain a desired fluid. The liquid outlet 113 is used for discharging the fluid remaining in the housing 1. The exhaust assembly communicated with the exhaust port 122 is arranged at the top of the exhaust port 122, the exhaust assembly comprises an exhaust connector 3 and a plug 4 matched in the exhaust connector 3, the exhaust connector 3 is provided with an axial air hole communicated with the exhaust port 122, the plug 4 is used for plugging the air hole of the exhaust connector 3, and the exhaust connector 3 is in threaded connection with the plug 4, so that the exhaust connector is convenient to detach. A first sealing member 41 for sealing between the inner wall of the exhaust joint 3 and the outer wall of the plug 4 is arranged between the inner wall of the exhaust joint 3 and the outer wall of the plug 4. The inner bottom of the exhaust joint 3 is provided with a convex ring 32 around the edge of the air hole, and the convex ring 32 is provided upward along the axial direction of the exhaust joint 3. The plug 4 is provided with a groove 42, the top end of the convex ring 32 extends into the groove 42, and a second sealing piece 31 is arranged between the outer wall of the convex ring 32 and the inner wall of the groove 42. The dual sealing structure formed by the first sealing element 41 and the second sealing element 31 can better ensure the air tightness and the pressure stability of the filter in the working process.

In one embodiment, as shown in fig. 2 to 4, the outer wall of the plug 4 is provided with a step 44, and the first seal 41 is sleeved on the outer wall of the plug 4 and is located between the step 44 and the inner wall of the exhaust joint 3. The periphery of the first sealing piece 41 is propped against the inner wall of the exhaust joint 3, the top of the first sealing piece 41 is propped against the step 44, and the bottom of the first sealing piece 41 is propped against the thread on the outer wall of the plug 4, so that the sealing effect is improved.

In one embodiment, as shown in fig. 2 to 4, an annular groove 43 is provided on the outer wall of the plug 4, and the annular groove 43 is not threaded at the opening position and is recessed toward the inside of the plug 4 in the radial direction. The first sealing member 41 is sleeved in the annular groove 43, and the outer periphery of the first sealing member 41 abuts against the inner wall of the exhaust joint 3, so that the sealing effect is improved.

In one embodiment, as shown in fig. 1, the housing 1 includes a base 11 and a barrel 12, the base 11 and the barrel 12 are both provided with openings, and the barrel 12 is provided on the base 11, the opening of the base 11 is provided upward, the opening of the barrel 12 is provided downward, and the opening of the base 11 and the opening of the barrel 12 are butted and communicated. Fins 121 are arranged between the filter element unit 2 and the bottom wall of the cylinder 12, and the fins 121 are vertically arranged and used for supporting the bottom of the cylinder 12.

In one embodiment, as shown in fig. 1 and 5, the number of fins 121 is plural, and each fin 121 is uniformly arranged along the circumferential direction of the bottom of the cylinder 12, so that the bottom of the cylinder 12 is more supported.

In one embodiment, as shown in fig. 1 and 5, a flange 123 is provided at the outer bottom of the cylinder 12 and at the outer circumferential side of the exhaust port 122, the bottom of the exhaust joint 3 is provided on the top of the flange 123, and the flange 123 is used to connect the exhaust joint 3, improving the fixing effect of the exhaust joint 3 on the cylinder 12.

In one embodiment, as shown in fig. 1 and 5, the bottom of the cylinder 12 is tapered or curved, and the tapered or curved surface is inclined 2-3 degrees outwards along the axial direction of the cylinder 12, so that the gas gathers towards the middle of the cylinder 12 more quickly, and the gas is discharged out of the cylinder 12 more quickly.

In one embodiment, as shown in fig. 6 to 8, the bottom of the base 11 is provided with an annular inner barrel 114. The top of the inner cylinder 114 is covered with a flower plate 21, the bottom of the filter element unit 2 is arranged on the top of the flower plate 21 and is communicated with the inner cylinder 114 through the flower plate 21, and the filter outlet 111 penetrates through the bottom of the inner cylinder 114 and is communicated with the inner cylinder 114.

In one embodiment, as shown in fig. 6 to 8, the filter plate unit 2 includes a plurality of filter cartridges 22 connected in parallel with each other, and the filter cartridges 22 are vertically disposed in the housing 1. The pattern plate 21 is provided with a plurality of connecting holes 211 penetrating through the thickness direction thereof, and each connecting hole 211 is arranged in one-to-one correspondence with each filter element 22. The filter element 22 is hollow, and fluid entering the shell 1 is filtered by the filter element 22, enters the hollow part in the filter element 22, then enters the inner cylinder 114 through the connecting hole 211, and flows out of the filtering outlet 111, so that the filtering effect is improved.

In one embodiment, as shown in FIG. 8, the bottom wall of the inner barrel 114 is provided with ribs 115 extending radially along the inner barrel 114, the ribs 115 extending from the filter outlet 111 to the inner wall of the inner barrel 114 for reinforcing the axial and radial strength of the inner barrel 114.

In one embodiment, as shown in fig. 1, the liquid inlet 112, the liquid outlet 113 and the filtering outlet 111 are all formed on the bottom of the base 11.

In one embodiment, a flat head or braised cover is provided between the top of the cartridge unit 2 and the fins 121 for securing the top of each cartridge 22.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The utility model provides a filter, its characterized in that, includes the casing, be provided with filter core unit in the casing, and set up inlet, liquid outlet, filtration export and gas vent on the casing, be provided with on the gas vent with the exhaust subassembly of gas vent intercommunication, the exhaust subassembly includes exhaust joint and cooperation be in the exhaust joint's end cap, exhaust joint inner wall with be provided with first sealing member between the end cap outer wall, exhaust joint is provided with the bulge loop along its axial, be provided with the recess on the end cap, the bulge loop set up in the recess, and bulge loop outer wall with be provided with the second sealing member between the recess inner wall.

2. A filter as claimed in claim 1, wherein: the outer wall of the plug is provided with a step, and the first sealing piece is arranged between the step and the inner wall of the exhaust joint.

3. A filter as claimed in claim 1, wherein: the plug is characterized in that an annular groove is formed in the outer wall of the plug, and the first sealing piece is arranged between the annular groove and the inner wall of the exhaust joint.

4. A filter as claimed in claim 1, wherein: the shell comprises a base and a barrel arranged on the base, wherein the base is communicated with the barrel, and fins for axially supporting the barrel are arranged between the filter element unit and the barrel.

5. A filter as defined in claim 4, wherein: the number of the fins is multiple, and the fins are uniformly distributed along the circumferential direction of the bottom wall of the cylinder body.

6. A filter as defined in claim 4, wherein: and a flange used for being connected with the exhaust assembly is arranged on the outer wall of the cylinder body.

7. A filter as defined in claim 4, wherein: the bottom of the cylinder body is conical or arc-shaped.

8. A filter as defined in claim 4, wherein: the novel filter element is characterized in that an inner cylinder and a flower plate arranged on the inner cylinder are arranged in the base, the filter element unit is arranged in the base through the flower plate, and the filter element unit is communicated with the inner cylinder through the flower plate.

9. A filter as claimed in claim 8, wherein: the filter element unit comprises a plurality of filter elements, a plurality of connecting holes which are correspondingly arranged with the filter elements are arranged on the flower plate, and each filter element is communicated with the inner cylinder through the corresponding connecting hole.

10. A filter as claimed in claim 8, wherein: the inner cylinder bottom wall is provided with the strengthening rib along the radial extension of inner cylinder.