CN217152074U

CN217152074U - Multistage filter equipment of automobile exhaust

Info

Publication number: CN217152074U
Application number: CN202220537823.8U
Authority: CN
Inventors: 胥萧
Original assignee: Sichuan Lu'ao Auto Parts Co ltd
Current assignee: Sichuan Lu'ao Auto Parts Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-09
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses an automobile exhaust multistage filter equipment relates to automobile exhaust filtration technical field for solve among the prior art not good enough problem of the filter effect to harmful substance among the automobile exhaust, the utility model discloses an interconnect's blast pipe and filter tube, the filter tube includes first filter stage and the second filter stage of mutual shaping as an organic whole, install first filter unit in the first filter stage, install second filter unit and third filter unit in proper order in the second filter stage, it has the chamber of swinging back to open in the first filter stage, the diameter of swinging back the chamber is greater than the internal diameter of second filter stage, first filter unit installs at the intracavity of swinging back. The utility model discloses in can make partial automobile exhaust secondary filter through first filter unit through above-mentioned technical scheme to can be better to harmful substance's filter effect among the automobile exhaust.

Description

Multistage filter equipment of automobile exhaust

Technical Field

The utility model relates to an automobile exhaust filters technical field, more specifically relates to an automobile exhaust multistage filter equipment.

Background

With the improvement of living standard of people, automobiles have basically entered ordinary families, the keeping quantity of the automobiles is more and more, so that the exhaust gas discharged by the automobiles is more and more, and in order to reduce the pollution of the exhaust gas of the automobiles to the environment, an automobile exhaust gas filtering device is required to be additionally arranged at an exhaust pipe of the automobiles.

In the related art, the automobile exhaust filtering device comprises a hollow filtering barrel and a fixing frame for connecting and fixing the filtering barrel and an automobile exhaust pipe; three pollution discharge barrels communicated with the filter barrel are fixed below the filter barrel and are positioned in front of the connection part of the particle filter screen, the oil mist filter screen and the oil absorption cotton, and an automobile exhaust gas treatment device is arranged on an automobile exhaust pipe on the basis of automobile built-in purification for carrying out external secondary purification, so that harmful substances are reduced, and the cost of the automobile exhaust gas treatment device is low.

However, the above automobile exhaust gas filtering device filters automobile exhaust gas only through the filter drum, and thus the filtering effect on harmful substances in automobile exhaust gas is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the filtering effect of harmful substances in automobile exhaust is not good enough among the prior art, the utility model provides an automobile exhaust multistage filter device to can be better to harmful substances's in the automobile exhaust filtering effect.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an automobile exhaust multistage filter equipment, includes interconnect's blast pipe and filter tube, the filter tube includes first filter stage and second filter stage that mutual shaping is as an organic whole, install first filter unit in the first filter stage, install second filter unit and third filter unit in the second filter stage in proper order, it has the chamber of swinging back to open in the first filter stage, the diameter of swinging back the chamber is greater than the internal diameter of second filter stage, first filter unit installs and swings the intracavity back.

The preferred structure of the first filter unit is: the first filtering unit comprises a filtering ring arranged in the oscillation cavity, a first filtering cavity is formed in the filtering ring, a sponge is arranged in the first filtering cavity, and a plurality of first filtering holes communicated with the first filtering cavity are formed in the filtering ring.

Preferably, the filtering ring comprises a ring body and a ring edge which are formed into a whole, the first filtering cavity and the first filtering holes are formed in the ring body, and the ring edge is connected with the inner wall of the swinging cavity through screws.

Preferably, the ring body protrudes in the radial direction of the reverberation chamber.

The preferred structure of the second filter unit is: the second filter unit comprises a plurality of filter rods arranged on the inner wall of the second filter section, a second filter cavity is formed in each filter rod, activated carbon is arranged in each second filter cavity, and a plurality of second filter holes communicated with the second filter cavities are formed in each filter rod.

Preferably, a plurality of ball sockets are formed in the inner wall of the second filtering section, a ball head is integrally formed at one end of the filtering rod, and the ball head is located in the ball sockets.

The preferred structure of the third filter unit is: the third filter unit comprises a filter plate arranged in the second filter section, a third filter chamber is arranged in the filter plate, a plurality of third filter holes communicated with the third filter chamber are formed in the filter plate, and a filter membrane is arranged in the third filter chamber.

Preferably, the filter plate comprises a plate body, the outer peripheral surface of the plate body is integrally formed with plate edges, the inner wall of the second filter section is provided with a clamping groove, and the plate edges are clamped in the clamping groove.

The utility model has the advantages as follows:

(1) the utility model discloses in filter automobile exhaust in proper order through first filter unit, second filter unit and third filter unit, the automobile exhaust who gets into in the filter tube simultaneously can get into the cavity of swinging back, can make partial automobile exhaust secondary filter through first filter unit like this to can be better to harmful substance's among the automobile exhaust filter effect.

(2) The utility model discloses well ring body is to the radial protrusion in the chamber of swinging back, can increase like this and get into the volume of first filter intracavity automobile exhaust through first filtration pore, can increase the area of contact of automobile exhaust and sponge simultaneously to be favorable to the filtration to automobile exhaust more.

(3) The utility model discloses in when waste gas gets into the second filter stage, waste gas can strike the filter rod to can make the bulb at the ball socket internal rotation, can make the filter rod swing in the second filter stage like this, thereby can be bigger degree make the second filter intracavity active carbon and automobile exhaust contact, thereby can further be favorable to more filtering the harmful substance in the waste gas.

(4) Establish through the flange card between the filter in this embodiment and second filter segment and be connected in the chucking inslot, be convenient for like this filter and second filter segment between installation and dismantlement.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the filter tube in front of the present invention;

fig. 3 is a schematic front sectional view of the first filter unit of the present invention;

FIG. 4 is a schematic side view of a first filter unit according to the present invention;

FIG. 5 is a schematic view of the filter rod of the present invention in a front sectional view;

FIG. 6 is a schematic front sectional view of the filter plate according to the present invention;

reference numerals: the filtering device comprises a 1 exhaust pipe, 2 filtering pipes, 21 a first filtering section, 22 a second filtering section, 221 ball sockets, 222 a clamping groove, 3 filtering rings, 31 ring edges, 32 ring bodies, 321 a first filtering hole, 322 a first filtering cavity, 4 filtering rods, 41 a second filtering cavity, 42 a second filtering hole, 5 filtering plates, 51 plate bodies, 511 a third filtering hole, 512 a third filtering cavity, 52 plate edges, 6 swinging cavities, 7 ball heads and 8 filtering membranes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1-2, the present embodiment provides a multistage filtering device for automobile exhaust, including interconnect's blast pipe 1 and filter tube 2, filter tube 2 includes first filter segment 21 and second filter segment 22 that mutual shaping is as an organic whole, installs first filter unit in the first filter segment 21, installs second filter unit and third filter unit in proper order in the second filter segment 22, it has the chamber of swinging back 6 to open in the first filter segment 21, the diameter of the chamber of swinging back 6 is greater than the internal diameter of second filter segment 22, first filter unit installs in the chamber of swinging back 6.

The working principle is as follows: when needs filter automobile exhaust, install filter tube 2 at the end of blast pipe 1 through conventional mode, automobile exhaust that gets into in filter tube 2 through blast pipe 1 loops through first filter unit, second filter unit and third filter unit filter automobile exhaust, get into partial automobile exhaust in filter tube 2 simultaneously and can return and get into and swing back in the chamber 6, can make partial automobile exhaust secondary through first filter unit filtration like this, thereby can be better to the filter effect of harmful substance in the automobile exhaust.

Example 2

As shown in fig. 1 to 4, on the basis of the above embodiment 1, this embodiment provides a preferred structure of the first filter unit as follows: first filter unit is including installing the filtration ring 3 in the chamber 6 of swinging back, it has first filter chamber 322 to open in the filtration ring 3, be equipped with the sponge in the first filter chamber 322, it has a plurality of first filtration holes 321 with first filter chamber 322 intercommunication to open on the filtration ring 3, filtration ring 3 includes that mutual shaping is as an organic whole ring body 32 and ring limit 31, first filter chamber 322 and first filtration hole 321 are all opened on ring body 32, the screw connection is passed through with the inner wall that swings back the chamber 6 to ring limit 31.

In this embodiment: when the filter ring 3 needs to be installed in the oscillation cavity 6, the ring edge 31 is fixed on the inner wall of the oscillation cavity 6 through the screws, the automobile exhaust enters the first filter cavity 322 through the first filter holes 321 and contacts with the sponge, and the sponge adsorbs part of harmful substances in the automobile exhaust.

Preferably, the ring body 32 protrudes radially to the oscillation cavity 6, so that the amount of automobile exhaust entering the first filter cavity 322 through the first filter hole 321 can be increased, and the contact area between the automobile exhaust and the sponge can be increased, thereby being more beneficial to filtering the automobile exhaust.

Example 3

As shown in fig. 1-2 and 5, on the basis of the above embodiment 1, this embodiment provides a preferred structure of the second filtering unit as follows: the second filter unit comprises a plurality of filter rods 4 arranged on the inner wall of the second filter section 22, a second filter cavity 41 is formed in each filter rod 4, activated carbon is arranged in each second filter cavity 41, and a plurality of second filter holes 42 communicated with the second filter cavities 41 are formed in the filter rods 4.

In this embodiment: the automobile exhaust filtered by the first filtering unit enters the second filtering section 22, the automobile exhaust entering the second filtering section 22 enters the second filtering cavity 41 through the second filtering holes 42, the automobile exhaust entering the second filtering cavity 41 contacts with the activated carbon, and the activated carbon adsorbs corresponding harmful substances in the automobile exhaust.

Preferably, a plurality of ball sockets 221 are formed on the inner wall of the second filter segment 22, a ball head 7 is integrally formed at one end of the filter rod 4, and the ball head 7 is located in the ball sockets 221. When waste gas enters the second filtering section 22, the waste gas impacts the filtering rod 4, so that the ball head 7 can rotate in the ball socket 221, the filtering rod 4 can swing in the second filtering section 22, the activated carbon in the second filtering cavity 41 can be contacted with automobile tail gas to a greater extent, and harmful substances in the waste gas can be further filtered.

Example 4

As shown in fig. 1 and fig. 6, on the basis of the above embodiment 1, this embodiment provides a preferable structure of the third filtering unit, which is: the third filtering unit comprises a filtering plate 5 arranged in the second filtering section 22, a third filtering chamber 512 is arranged in the filtering plate 5, a plurality of third filtering holes 511 communicated with the third filtering chamber 512 are arranged on the filtering plate 5, and a filtering membrane 8 is arranged in the third filtering chamber 512.

In this embodiment: automobile exhaust after the second filter unit filters gets into filter 5 department to get into third filter chamber 512 from third filtration pore 511, the automobile exhaust that gets into in the third filter chamber 512 filters through filtration membrane 8 again, divides the cubic like this to filter automobile exhaust, thereby it is better to automobile exhaust's filter effect.

Preferably, the filter 5 includes the plate body 51, and integrated into one piece has flange 52 on the outer peripheral face of plate body 51, and it has chucking groove 222 to open on the inner wall of second fillter section 22, and flange 52 card is established in chucking groove 222, establishes through flange 52 card between filter 5 and second fillter section 22 and connects in chucking groove 222, is convenient for like this filter 5 and second fillter section 22 within a definite time installation and dismantlement.

Claims

1. The utility model provides an automobile exhaust multistage filter equipment, includes interconnect's blast pipe (1) and filter tube (2), its characterized in that: filter tube (2) are including first filter stage (21) and second filter stage (22) of mutual shaping as an organic whole, install first filter unit in first filter stage (21), install second filter unit and third filter unit in proper order in second filter stage (22), it has swinging back chamber (6) to open in first filter stage (21), the diameter of swinging back chamber (6) is greater than the internal diameter of second filter stage (22), first filter unit is installed in swinging back chamber (6).

2. The multistage automotive exhaust gas filtering device according to claim 1, characterized in that: the first filtering unit comprises a filtering ring (3) arranged in a swinging cavity (6), a first filtering cavity (322) is formed in the filtering ring (3), a sponge is arranged in the first filtering cavity (322), and a plurality of first filtering holes (321) communicated with the first filtering cavity (322) are formed in the filtering ring (3).

3. The multistage filtering device for automobile exhaust according to claim 2, characterized in that: the filter ring (3) comprises a ring body (32) and a ring edge (31) which are formed into a whole, the first filter cavity (322) and the first filter holes (321) are formed in the ring body (32), and the ring edge (31) is connected with the inner wall of the swinging cavity (6) through screws.

4. The multistage automotive exhaust gas filtering device according to claim 3, characterized in that: the ring body (32) protrudes towards the radial direction of the reverberation cavity (6).

5. The multistage automotive exhaust gas filtering device according to claim 1, characterized in that: the second filter unit is including installing a plurality of filter rods (4) on second filter stage (22) inner wall, it has second filter chamber (41) to open in filter rod (4), be equipped with active carbon in second filter chamber (41), it has a plurality of second filter holes (42) that all communicate with second filter chamber (41) to open on filter rod (4).

6. The multistage automotive exhaust gas filtering device according to claim 5, characterized in that: a plurality of ball sockets (221) are formed in the inner wall of the second filtering section (22), a ball head (7) is integrally formed at one end of the filtering rod (4), and the ball head (7) is located in the ball sockets (221).

7. The multistage automotive exhaust gas filtering device according to claim 1, characterized in that: the third filter unit comprises a filter plate (5) arranged in the second filter section (22), a third filter chamber (512) is arranged in the filter plate (5), a plurality of third filter holes (511) communicated with the third filter chamber (512) are formed in the filter plate (5), and a filter membrane (8) is arranged in the third filter chamber (512).

8. The multistage automotive exhaust gas filtering device according to claim 7, characterized in that: the filter plate (5) comprises a plate body (51), plate edges (52) are integrally formed on the outer peripheral surface of the plate body (51), a clamping groove (222) is formed in the inner wall of the second filter section (22), and the plate edges (52) are clamped in the clamping groove (222).