CN217939489U

CN217939489U - Melt-blown fabric filter device

Info

Publication number: CN217939489U
Application number: CN202122034494.3U
Authority: CN
Inventors: 张金华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-12-02
Anticipated expiration: 2031-08-26

Abstract

The utility model provides a melt-blown fabric filter device, which relates to the technical field of air filter devices and solves the technical problem that the filter device of the existing split type protective device has poor use effect in the prior art, and comprises a support component, namely melt-blown fabric and a sealing component which are used and stored immediately, wherein an air inlet cavity is arranged in the support component and is communicated with the air inlet cavity to be provided with an air outlet; the sealing assembly comprises an inner elastic sealing ring and an outer elastic sealing ring, namely the instant melt-blown fabric is placed immediately after use, and the inner elastic sealing ring and the outer elastic sealing ring are sleeved on the supporting assembly and are respectively positioned on the inner side and the outer side of the instant melt-blown fabric; the utility model discloses promptly staying the melt-blown fabric promptly and carrying out the electret when using, can effectively avoid melt-blown fabric to influence filterable problem because of the decline of the static effect of holding time overlength, the filter effect is showing, and protection level is high, mutually supports through seal assembly and supporting component, and the installation is firm, and it is convenient to assemble, seals from inside and outside both sides simultaneously, and sealed effect is showing.

Description

Melt-blown fabric filter device

Technical Field

The utility model relates to an air filter technical field, concretely relates to melt-blown fabric filter equipment.

Background

Split type protector is a protective apparatus for breathing, and it is including the respirator and the filter equipment that the components of a whole that can function independently set up usually, and the two passes through the tube coupling, and when using, the user wears respirator, and filter equipment carries respirator after with external air filtration, supplies the user to breathe.

The filter equipment has appeared now, and it includes strutting arrangement, melt-blown fabric filter bag and air exhaust device, and the melt-blown fabric filter bag is the bag formula structure, and the cover is located strutting arrangement on to realize the installation through the fastening sealing washer, it has following technical problem at least:

1. the sack adopts the clamping ring fixed, and in the use, there is gas leakage phenomenon, and sealed effect is relatively poor, influences the use.

2. The melt-blown fabric filter bag is the fold structure, need counterpoint with strutting arrangement during the equipment, influences its packaging efficiency to melt-blown fabric filter bag is after for a long time, and its electrostatic effect can descend by a wide margin, loses even, influences its filter effect, and the result of use is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a melt-blown fabric filter device to solve the technical problem that the filter device of the existing split type protective device in the prior art has poor use effect; the utility model provides a plurality of technical effects that preferred technical scheme in a plurality of technical schemes can produce (the supporting component includes supporting component and apron, supporting component and apron can realize the dismouting, the two mutually support and be used for the support and the installation that promptly stay the fuse-spraying cloth promptly, the apron outer wall is equipped with the mounting groove, the installation of interior elasticity sealing washer is firm, the apron includes upper cover plate and lower cover plate, the two cooperates with the supporting component and can enclose into the chamber of admitting air, and can realize the equipment, be convenient for batch production and transportation of each part, the supporting component includes that the circumference evenly sets up to the support column, on the one hand can stabilize and support promptly stay the fuse-spraying cloth promptly, on the other hand can form the air inlet gap between the adjacent support column, be convenient for the air to get into in the chamber of admitting air, the supporting component includes the collecting pipe, the collecting pipe can guide the air in the chamber of admitting air, and carry it out, the inlet port quantity sets up to be a plurality of, give vent smoothly, guarantee the efficiency of giving vent, be provided with location grafting on the apron, be provided with location grafting portion, be provided with location portion on the supporting component, the grafting connection, when the equipment is firm, it is convenient to peg graft; see below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of melt-blown fabric filter equipment, including supporting component, promptly stay melt-blown fabric and seal assembly promptly, wherein: an air inlet cavity is formed in the supporting component, and an air outlet communicated with the air inlet cavity is formed in the supporting component; the sealing assembly comprises an inner elastic sealing ring and an outer elastic sealing ring, and the instant melt-blown fabric is sleeved on the supporting assembly; the inner elastic sealing ring is sleeved on the supporting assembly and is positioned on the inner side of the instant melt-blown fabric, and the outer elastic sealing ring is sleeved on the position, corresponding to the inner elastic sealing ring, of the outer side of the instant melt-blown fabric; the outside air can enter the air inlet cavity after being filtered by the instant melt-blown fabric and is discharged from the air outlet.

Preferably, the supporting component comprises a supporting member, a cover plate is detachably arranged at the end part of the supporting member, and the instant melt-blown fabric is sleeved on the outer sides of the supporting member and the cover plate.

Preferably, the outer wall of the cover plate is annularly provided with a mounting groove, and the inner elastic sealing ring is arranged in the mounting groove.

Preferably, the cover plate comprises an upper cover plate and a lower cover plate, wherein: the upper cover plate and the lower cover plate are detachably arranged at two ends of the supporting component; the upper cover plate and the outer wall of the lower cover plate are provided with the mounting grooves.

Preferably, the supporting member comprises a plurality of supporting columns, and all the supporting columns are uniformly arranged in the circumferential direction; an air inlet gap for air to enter is formed between the adjacent support columns; the instant-use melt-blown fabric is sleeved on the outer sides of all the supporting columns.

Preferably, the support member comprises a manifold, wherein: the collecting pipe is arranged in the air inlet cavity; the collecting pipe is communicated with the air outlet, and an air inlet is formed in the collecting pipe.

Preferably, the number of the air intake holes is set to be plural.

Preferably, a fan is arranged in the bus pipe, the fan is provided with an air inlet and an air outlet, and the air outlet is communicated with the air outlet; the density of the air inlets on the pipe wall of the collecting pipe is gradually increased along the position close to the air inlet; and/or the aperture of the air inlet on the pipe wall of the collecting pipe is gradually increased along the position close to the air inlet.

Preferably, a positioning insertion part is arranged on the cover plate, a positioning insertion part is arranged at the end part of the supporting member, and the positioning insertion part is connected with the positioning insertion part in an insertion manner.

Preferably, the positioning insertion part is provided with an insertion column, the positioning insertion part is provided with an insertion groove, and the insertion column is matched with the insertion groove.

The utility model provides a pair of melt-blown fabric filter equipment has following beneficial effect at least:

the melt-blown fabric filtering device comprises a supporting component, namely, a melt-blown fabric and a sealing component, wherein an air inlet cavity is formed in the supporting component, the supporting component is provided with an air outlet communicated with the air inlet cavity, the supporting component is used for arranging the melt-blown fabric in an instant mode, on the one hand, the supporting component can store and transition filtered air, namely, the melt-blown fabric is arranged in an instant mode when used, the filtering effect of the melt-blown fabric can be effectively guaranteed, and the sealing component is used for arranging and sealing the melt-blown fabric in an instant mode.

The sealing assembly comprises an inner elastic sealing ring and an outer elastic sealing ring, the instant melt-blown fabric is sleeved on the supporting assembly in an instant use mode, the inner elastic sealing ring is sleeved on the supporting assembly and is located on the inner side of the instant melt-blown fabric in an instant use mode, the outer elastic sealing ring is sleeved on the position, corresponding to the position of the inner elastic sealing ring, of the instant melt-blown fabric in an instant use mode, the inner elastic sealing ring and the outer elastic sealing ring are matched with each other, on one hand, the instant melt-blown fabric in an instant use mode can be firmly installed, on the other hand, the instant melt-blown fabric in an instant use mode is sealed from the inner side and the outer side, and the sealing effect is remarkable.

The utility model discloses promptly staying the melt-blown fabric promptly and carrying out the electret when using, can effectively avoid melt-blown fabric to influence filterable problem because of the decline of the static effect of holding time overlength, the filter effect is showing, and protection level is high, mutually supports through seal assembly and supporting component, and the installation is firm, and it is convenient to assemble, seals from inside and outside both sides simultaneously, and sealed effect is showing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the seal assembly and the instant melt-blown fabric installation of the present invention;

fig. 4 is a schematic structural view of the support assembly of the present invention;

FIG. 5 is a schematic diagram of the insertion structure of the supporting column and the cover plate of the present invention;

fig. 6 is a schematic view of another insertion structure of the support column and the cover plate of the present invention.

Reference numerals

1. A support assembly; 11. an upper cover plate; 12. a lower cover plate; 121. mounting grooves; 122. a positioning insertion part; 13. a support member; 131. a support column; 1311. positioning the inserting part; 14. a collector pipe; 141. an air outlet; 142. an air inlet; 15. an air inlet cavity; 2. a seal assembly; 21. an inner elastic sealing ring; 22. an outer elastic sealing ring; 3. namely, the melt-blown fabric is used.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

the utility model provides a melt-blown fabric filter equipment, as shown in fig. 1-3, melt-blown fabric filter equipment includes supporting component 1, promptly with staying melt-blown fabric 3 and seal assembly 2 promptly.

An air inlet cavity 15 is arranged inside the supporting component 1, and an air outlet 141 communicated with the air inlet cavity 15 is arranged on the supporting component 1.

The sealing assembly 2 comprises an inner elastic sealing ring 21 and an outer elastic sealing ring 22, namely the melt-blown fabric 3 is arranged into a cylindrical structure with two open ends, the cylindrical structure is sleeved on the supporting assembly 1, the inner elastic sealing ring 21 is tightly sleeved on the supporting assembly 1 and is positioned on the inner side of the end opening of the melt-blown fabric 3, the outer elastic sealing ring 22 is sleeved on the position of the inner elastic sealing ring 21 corresponding to the outer side of the end opening of the melt-blown fabric 3, and the inner elastic sealing ring 21 and the outer elastic sealing ring 22 are tightly clamped and are used for the melt-blown fabric 3.

During the equipment, carry out the electret formation to the melt-blown fabric and use promptly and stay melt-blown fabric 3 promptly, establish interior elastic sealing ring 21 cover on supporting component 1, later the cover establish and use promptly and stay melt-blown fabric 3 promptly, after the cover was established, establish the position that the outside that the melt-blown fabric 3 was promptly stayed promptly to outer elastic sealing ring 22 cover was established and is used promptly corresponds interior elastic sealing ring 21, and interior elastic sealing ring 21 and outer elastic sealing ring 22 press from both sides tightly this moment and use promptly and stay melt-blown fabric 3 promptly, and the equipment is accomplished.

When the device is used, the air outlet 141 of the melt-blown fabric filtering device is connected with a pipeline, and under the action of the air extracting device, air enters the air inlet cavity 15 after being filtered by the melt-blown fabric 3 which is used and then is discharged from the air outlet 141.

In the process, the inner elastic sealing ring 21 and the outer elastic sealing ring 22 are clamped from the inner side and the outer side, and the melt-blown fabric 3 is immediately used, so that the assembling operation is convenient, the inner seal and the outer seal are combined, and the sealing effect is obvious.

Meanwhile, the instantly-used and instantly-staying melt-blown fabric 3 has better electrostatic adsorption capacity, remarkable filtering effect and higher protection level.

As an optional implementation mode, the ready-to-use, ready-to-use meltblown 3 is manufactured by adopting an electrostatic electret device, the electrostatic electret device comprises an electret member and a grounding metal member, an electret nip is formed between the electret member and the grounding metal member, when the meltblown fabric filter device is used, the meltblown fabric is placed in the electret nip to complete electret, and then the meltblown fabric filter device can be used after being assembled, and in the actual use process, the ready-to-use, ready-to-use meltblown 3 with corresponding layers can be selectively installed according to actual requirements; other existing electret devices can also be selected to finish the instant electrostatic electret of the melt-blown fabric.

As an alternative embodiment, as shown in fig. 4, the supporting assembly 1 includes a supporting member 13, and a cover plate is detachably disposed at an end of the supporting member 13, i.e. the melten fabric 3 is sleeved on the supporting member 13 and the outer side of the cover plate.

The cover plate is circular or elliptical, and the melt-blown fabric filtering device is elliptical cylindrical or cylindrical.

As an alternative embodiment, as shown in fig. 3 and 4, an installation groove 121 is annularly provided on the outer wall of the cover plate, an inner elastic sealing ring 21 is fitted into the installation groove 121, and the inner elastic sealing ring 21 is disposed in the installation groove 121.

Optionally, the inner elastic sealing ring 21 and the outer elastic sealing ring are both made of a silica gel material.

As an alternative embodiment, the cover plate includes an upper cover plate 11 and a lower cover plate 12.

The upper cover plate 11 and the lower cover plate 12 are detachably arranged at both ends of the supporting member 13; the outer walls of the upper cover plate 11 and the lower cover plate 12 are provided with mounting grooves 121.

As an alternative embodiment, the supporting member 13 includes a plurality of supporting columns 131, and all the supporting columns 131 are uniformly arranged in the circumferential direction; an air inlet gap for air to enter is formed between the adjacent support columns 131; namely, the melt-blown fabric 3 is sleeved on the outer sides of all the supporting columns 131.

As an alternative embodiment, the support member 13 comprises a manifold 14, the manifold 14 being arranged in the intake chamber 15, the manifold 14 being arranged coaxially with the support member 13.

The collecting pipe 14 is communicated with the air outlet 141; the manifold 14 is provided with an air inlet 142.

In the using process, after being filtered by the instant melt-blown fabric 3, the air enters the air inlet cavity 15 from the air inlet gap, then enters the collecting pipe 14 through the air inlet holes 142, and is discharged from the air outlet 141.

As an alternative embodiment, the number of the air intake holes 142 is provided in plurality.

As an optional embodiment, a blower is disposed inside the collecting pipe 14, and the blower is provided with an air inlet and an air outlet, and the air outlet is communicated with the air outlet 141.

The density of the air holes 142 on the tube wall of the collecting tube 14 increases along the position close to the air inlet.

The diameter of the air inlet 142 on the pipe wall of the collecting pipe 14 is gradually increased along the position close to the air inlet.

The density and/or aperture of the air inlet holes 142 are/is set, so that the pressure in all directions of the air inlet cavity 15 is more uniform, and the filtering performance of the instant melt-blown fabric 3 is fully utilized.

In an optional embodiment, a power supply is disposed inside the manifold 14, and the power supply is electrically connected to the blower to supply power to the blower.

As an optional implementation manner, the cover plate is provided with a positioning insertion part 1311, the end of the support member 13 is provided with a positioning insertion part 122, and the positioning insertion part 1311 is inserted and connected with the positioning insertion part 122, so that the assembly is convenient and fast.

As an alternative embodiment, as shown in fig. 5, the positioning insertion portion 1311 is configured as an insertion column, the insertion columns are uniformly circumferentially arranged on the end surface of the cover plate adjacent to the supporting member 13, the positioning insertion portion 122 is configured as an insertion groove, the insertion grooves are all opened on the end surfaces of all the supporting columns 131 close to the cover plate along the axis, and the insertion columns are adapted to the insertion grooves.

Optionally, the insertion column is in interference fit with the insertion groove.

Optionally, the insertion column and the insertion groove are respectively provided with an external thread and an internal thread, and the insertion column is inserted into the insertion groove and further connected through a thread.

Example 2:

example 2 differs from example 1 in that:

as shown in fig. 6, the positioning insertion portion 1311 is configured as an insertion groove, the insertion groove is uniformly formed in the end surface of the cover plate adjacent to the supporting member 13 in the circumferential direction, the positioning insertion portion 122 is configured as an insertion column, the insertion columns are arranged on the end surfaces of all the supporting columns 131 close to the cover plate along the axis, and the insertion groove is matched with the insertion columns.

Optionally, the insertion groove is in interference fit with the insertion column.

Optionally, the insertion groove and the insertion column are respectively provided with an internal thread and an external thread, and the insertion groove is inserted into the insertion column and is further connected through a thread.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

Further, in the description of the present application, "a plurality" or "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A meltblown fabric filter assembly comprising a support assembly, a fabric and a seal assembly, wherein:

an air inlet cavity is formed in the supporting component, and an air outlet communicated with the air inlet cavity is formed in the supporting component;

the sealing assembly comprises an inner elastic sealing ring and an outer elastic sealing ring, and the instant-use melt-blown fabric is sleeved on the supporting assembly; the inner elastic sealing ring is sleeved on the supporting assembly and is positioned on the inner side of the instant melt-blown fabric, and the outer elastic sealing ring is sleeved on the position, corresponding to the inner elastic sealing ring, of the outer side of the instant melt-blown fabric;

the outside air can enter the air inlet cavity after being filtered by the instant melt-blown fabric and is discharged from the air outlet.

2. The meltblown fabric filter apparatus of claim 1 wherein the support assembly includes a support member having a cover plate removably attached to an end of the support member, the ready-to-use meltblown fabric being disposed over the support member and the cover plate.

3. The meltblown fabric filter assembly of claim 2 wherein the outer wall of said cover plate is provided with an attachment groove, and said inner elastomeric seal ring is disposed within said attachment groove.

4. The meltblown fabric filter apparatus of claim 3 wherein the cover plate comprises an upper cover plate and a lower cover plate, wherein:

the upper cover plate and the lower cover plate are detachably arranged at two ends of the supporting member;

the upper cover plate and the outer wall of the lower cover plate are provided with the mounting grooves.

5. The meltblown fabric filter apparatus of claim 2 wherein said support member comprises a plurality of support posts, all of said support posts being circumferentially uniformly disposed;

an air inlet gap for air to enter is formed between the adjacent support columns;

the instant-use melt-blown fabric is sleeved on the outer sides of all the supporting columns.

6. The meltblown filter apparatus of claim 4 wherein the support member comprises a manifold, wherein:

the collecting pipe is arranged in the air inlet cavity;

the collecting pipe with the gas outlet is linked together, be provided with the inlet port on the collecting pipe.

7. The meltblown fabric filter assembly of claim 6 wherein said plurality of air inlet apertures are provided in plurality.

8. The meltblown fabric filter apparatus of claim 7 wherein the manifold has a fan disposed therein, the fan having an air inlet and an air outlet, the air outlet being in communication with the air outlet;

the density of the air inlets on the pipe wall of the collecting pipe is gradually increased along the position close to the air inlet;

and/or the aperture of the air inlet on the pipe wall of the collecting pipe is gradually increased along the position close to the air inlet.

9. The meltblown fabric filter assembly of claim 2 wherein the cover plate is provided with a locating mating portion, and the end of the support member is provided with a locating mating portion, the locating mating portion being mated with the locating mating portion.

10. The meltblown fabric filter assembly of claim 9 wherein the positioning mating portion is configured as a mating post and the positioning mating portion is configured as a mating groove, the mating post being adapted to the mating groove.