CN212083907U

CN212083907U - Printer with carbon powder filtering function

Info

Publication number: CN212083907U
Application number: CN202020669934.5U
Authority: CN
Inventors: 邱鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-12-04
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a printer with carbon dust filtering capability, including printing the organism, print the organism including setting up the first exit slot in its side and setting up the second exit slot at its top, be equipped with the mounting panel of an L shape at the top of second exit slot, the mounting panel covers the second exit slot; the dust collection device comprises a quadrilateral supporting frame, two sides of the quadrilateral supporting frame are arranged in U-shaped slots matched with the quadrilateral supporting frame, the quadrilateral supporting frame can be drawn back and forth in the U-shaped slots, and the U-shaped slots are respectively connected to the mounting plate and the outer wall of the printer body at the inner top of the first paper outlet; the inside of each quadrilateral support frame is connected with an arc top which protrudes upwards. The utility model discloses install the dust extraction of carbon dust in two exits of printer, let the carbon dust get into filtering mechanism along with the air current of air exhauster and carry out filtering operation, can not let the carbon dust that the printer gived off volatilize in the air, avoided the injury to the human body.

Description

Printer with carbon powder filtering function

Technical Field

The utility model relates to a printer technical field specifically is a printer with carbon dust filtering capability.

Background

Certain dust can be generated during the work of a laser printer and a laser copier, wherein the dust comprises carbon powder particles which can stimulate respiratory tract and cause upper respiratory tract inflammation such as rhinitis, pharyngitis, bronchitis and the like; meanwhile, the productive dust can also stimulate the skin to cause diseases such as dry skin, folliculitis and the like, and the carbon powder dust is not easy to be absorbed into the lung clearly, so that the harm is large, and the printer is extremely unfavorable for people working beside the printer for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printer with carbon dust filtering capability to solve the problem of proposing among the above-mentioned background art.

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

the printer with the carbon powder filtering function comprises a printer body, wherein the printer body comprises a first paper outlet arranged on the side surface of the printer body and a second paper outlet arranged on the top of the printer body;

the dust collection device comprises a quadrilateral supporting frame, two sides of the quadrilateral supporting frame are arranged in U-shaped slots matched with the quadrilateral supporting frame, the quadrilateral supporting frame can be drawn back and forth in the U-shaped slots, and the U-shaped slots are respectively connected to the mounting plate and the outer wall of the printer body at the inner top of the first paper outlet;

the inner part of each quadrilateral supporting frame is connected with an upward convex arc top, the middle part of the arc top is connected with a second pipe joint, and the periphery of the arc top is connected with a plurality of third pipe joints by taking the second pipe joint as the circle center;

adsorption pipelines are fixedly connected to four inner walls of the quadrilateral supporting frame, strip-shaped air inlets are formed right below the adsorption pipelines, one end of each adsorption pipeline is sealed, the other end of each adsorption pipeline is connected with a fourth pipe joint, and the fourth pipe joints penetrate and extend out of the upper portion of the arc top;

a plurality of first pipelines are distributed in the first paper outlet, a plurality of fourth pipelines are distributed in the second paper outlet, the first pipelines and the fourth pipelines are respectively connected with a second pipe joint, a third pipe joint and a fourth pipe joint, and the other ends of the first pipelines and the fourth pipelines are connected with an air inlet of an exhaust fan;

the outlet of the exhaust fan is connected to a sixth pipe joint through a third pipeline, the sixth pipe joint is connected to the bottom of a filter tank, fifth pipe joints are symmetrically installed on two sides of the top of the filter tank, a filter device is arranged in the filter tank, the filter device comprises two support cylinders which are the same in shape and are large and small, one support cylinder can be inserted into the other support cylinder, strip-shaped ventilation openings which are arranged in a matrix mode are formed in the surfaces of the two support cylinders, and a filter mechanism is arranged between the two support cylinders;

the top of the filtering tank is in threaded connection with a sealing cover.

Preferably, the back of the printer body is a mounting groove recessed towards the inside, a mounting shell is accommodated in the mounting groove, a mounting cavity is formed at the bottom of the side wall of the mounting groove, a motor part in the exhaust fan is fixed on the bottom surface of the mounting cavity, and a shell part of the exhaust fan is positioned in the mounting shell;

the inner walls of the first paper outlet and the second paper outlet are provided with pipe outlets, and the first pipeline and the fourth pipeline respectively penetrate out of the pipe outlets;

a row of pipeline jacks are arranged above the mounting shell, and the first pipelines respectively extend into the mounting shell from the pipeline jacks;

a pair of pipeline connecting devices are arranged inside the mounting shell, each pipeline connecting device comprises a supporting pipe with one end sealed and the other end open, two ends of each supporting pipe penetrate through and are fixed on a supporting seat, and the supporting seats are connected to the inner wall of the mounting shell; the top of each supporting tube is connected with a plurality of first pipe joints at intervals; the first pipe joint is correspondingly connected with the first pipeline and the fourth pipeline respectively;

the tail ends of the two supporting pipes are connected to a third pipe joint through a fifth pipeline, and the other end of the third pipe joint is connected with an air inlet of an exhaust fan.

Preferably, the bottom edges of the two supporting cylinders are connected with annular edges, the two annular edges are overlapped together up and down, and a plurality of clamping blocks which are arranged at equal intervals are arranged on the surface of the annular edge positioned below the two supporting cylinders; and a plurality of bayonets corresponding to the clamping blocks are arranged on the bottom surface of the annular edge positioned above the clamping blocks, and the bayonets are in butt joint with the clamping blocks to enable the strip-shaped ventilation openings on the two supporting cylinders to correspond to each other.

Preferably, the filter mechanism is a cylindrical filter bag made of at least one layer of melt-blown fabric, and the cylindrical melt-blown fabric can be sleeved on the support cylinder with the smaller diameter and then inserted into the support cylinder with the larger diameter.

Preferably, the filter mechanism is an air filter cartridge.

Preferably, the other ends of the fifth pipe joints are connected with a second pipeline, and the other end of the second pipeline is connected with an air outlet channel;

the air outlet structure is characterized in that a partition plate in sealing connection with the inner wall is arranged on each of two sides of the inside of the installation shell, an air outlet space is formed between the partition plate and the side edge of the installation shell, a plurality of air outlets are formed in the side edge of the installation shell and communicated with the air outlet space, and sealing rubber is arranged on the tops of the installation shell and the partition plate.

Preferably, the mounting shell is provided with a rectangular groove at the joint with the printer body, the mounting shell is connected with the two sides of the printer body through a plurality of hasps, and the hasps are respectively positioned in the rectangular groove.

Preferably, the filter canister is fixed to a fixing plate, and the fixing plate is mounted on an inner wall of the mounting case by bolts.

Compared with the prior art, the beneficial effects of the utility model are that: install the dust extraction of carbon dust in two exits of printer, can absorb the carbon dust that gives off when the paper comes out from the printer, let the carbon dust get into filter mechanism along with the air current of air exhauster and carry out filtering operation, let the air around the printer can filter, can not let the carbon dust that the printer gives off volatilize in the air, avoided the injury to the human body.

Drawings

Fig. 1-2 are schematic views of three-dimensional structures of printers with carbon powder filtering function in different directions according to the present invention;

FIG. 3 is a schematic structural view of a filter mechanism of a printer with a carbon powder filtering function according to the present invention;

FIG. 4 is a schematic diagram of a melt-blown fabric layered structure of a printer with a carbon powder filtering function according to the present invention;

FIG. 5 is a schematic view of an internal structure of a mounting housing of a printer with a carbon powder filtering function according to the present invention;

FIG. 6 is a schematic diagram of a second internal structure of the mounting housing of the printer with carbon powder filtering function according to the present invention;

fig. 7 is a schematic bottom structure diagram of a quadrilateral supporting frame of a printer with a carbon powder filtering function according to the present invention.

In the figure: the printer comprises a printer body 1, an installation cavity 2, a rectangular groove 3, a hasp 4, a melt-blown fabric 5, an installation groove 6, an installation shell 7, a pipeline jack 8, a first pipeline 9, an installation plate 10, an arc top 11, a second pipe joint 12, a quadrilateral support frame 13, a fourth pipe joint 14, a third pipe joint 15, an adsorption pipeline 16, a strip-shaped air inlet 17, a support pipe 18, a support seat 19, an air outlet channel 20, a partition plate 21, a second pipeline 22 and an air outlet space 23, the device comprises a third pipeline 24, a sixth pipe joint 25, a filter tank 26, sealing rubber 27, a fifth pipeline 28, a three-way pipe joint 29, an air outlet 30, a fifth pipe joint 31, a fixing plate 32, a sealing cover 33, a pipe outlet 34, a U-shaped slot 35, a supporting cylinder 36, a strip-shaped ventilation opening 37, a clamping block 38, an annular edge 39, a clamping opening 40, a first paper outlet 41, a second paper outlet 42, an exhaust fan 43, a fourth pipeline 44 and a first pipe joint 45.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a printer with a carbon powder filtering function comprises a printer body 1, wherein the printer body 1 comprises a first paper outlet 41 arranged on the side surface of the printer body and a second paper outlet 42 arranged on the top of the printer body, an L-shaped mounting plate 10 is arranged on the top of the second paper outlet 42, the mounting plate 10 covers the second paper outlet 42, the mounting plate 10 is connected with the printer body 1 through bolts in the actual mounting process, as shown in figure 1, the mounting plate 10 is positioned above the second paper outlet 42, and a sufficient paper outlet space is reserved;

the utility model also comprises two dust suction devices, wherein each dust suction device comprises a quadrilateral supporting frame 13, two sides of the quadrilateral supporting frame 13 are arranged in the U-shaped slot 35 matched with the quadrilateral supporting frame, the quadrilateral supporting frame 13 can be drawn back and forth in the U-shaped slot 35, and the U-shaped slot 35 is respectively connected to the mounting plate 10 and the outer wall of the printing machine body 1 at the inner top of the first paper outlet 41; the quadrilateral supporting frame 13 and the U-shaped slot 35 form a drawing structure, so that the quadrilateral supporting frame 13 can be conveniently taken out or put in;

the interior of each quadrilateral supporting frame 13 is connected with an upward convex arc top 11, the middle part of the arc top 11 is connected with a second pipe joint 12, and the periphery of the arc top 11 is connected with a plurality of third pipe joints 15 by taking the second pipe joint 12 as a circle center;

adsorption pipelines 16 are fixedly connected to four inner walls of the quadrilateral supporting frame 13, strip-shaped air inlets 17 are formed right below the adsorption pipelines 16, one end of each adsorption pipeline 16 is sealed, the other end of each adsorption pipeline is connected with a fourth pipe joint 14, and the fourth pipe joints 14 penetrate through and extend out of the arc top 11;

as shown in fig. 1, a plurality of first pipelines 9 are distributed in the first paper outlet 41, a plurality of fourth pipelines 44 are distributed in the second paper outlet 42, the first pipelines 9 and the fourth pipelines 44 are respectively connected with the second pipe joint 12, the third pipe joint 15 and the fourth pipe joint 14, and the other ends of the first pipelines 9 and the fourth pipelines 44 are connected with an air inlet of an exhaust fan 43;

specifically, when the exhaust fan 43 is opened, air is exhausted to the outside through the first pipeline 9 and the fourth pipeline 44, so that the first pipeline 9 and the fourth pipeline 44 can respectively drive the second pipe joint 12, the fourth pipe joint 14 and the third pipe joint 15 to intake air, because the arc top 11 is high in the middle and low in edge, the height of the second pipe joint 12 is higher than that of the third pipe joint 15, and the plurality of second pipe joints 12 and the plurality of third pipe joints 15 are regularly arranged, so that negative pressure can be formed inside the arc top 11, paper discharged from the inside of the first paper outlet 41 and the inside of the second paper outlet 42 is sucked, and carbon powder emitted by the exhaust fan 43 is sucked away;

the outlet of the exhaust fan 43 is connected to a fourth pipe joint 25 through a third pipeline 24, the sixth pipe joint 25 is connected to the bottom of the filter tank 26, fifth pipe joints 31 are symmetrically installed on two sides of the top of the filter tank 26, a filter device is arranged in the filter tank 26, the filter device comprises two support cylinders 36 which are the same in shape and are large and small, one support cylinder 36 can be inserted into the other support cylinder 36, strip-shaped ventilation openings 37 which are arranged in a matrix manner are formed in the surfaces of the two support cylinders 36, and a filter mechanism is arranged between the two support cylinders 36;

the top of the filter tank 26 is connected with a sealing cover 33 in a threaded manner.

Specifically, the air drawn by the air blower 43 enters the inside of the supporting cylinder 36 through the third pipeline 24, and the air with carbon powder is filtered by the filtering mechanism in the supporting cylinder 36.

Further, as shown in fig. 1 and 2, the back of the printer body 1 is provided with a mounting groove 6 recessed towards the inside, a mounting housing 7 is accommodated in the mounting groove 6, a mounting cavity 2 is formed at the bottom of the side wall of the mounting groove 6, a motor part in the exhaust fan 43 is fixed on the bottom surface of the mounting cavity 2, the housing part of the exhaust fan 43 is located in the mounting housing 7, the exhaust fan 43 and the motor are fastened through bolts, an independent power line is connected to a terminal of the exhaust fan 43, and a control switch is connected to the power line in series, so that the start and stop operation of the exhaust fan is facilitated;

as shown in fig. 1, the inner walls of the first paper outlet 41 and the second paper outlet 42 are both provided with a paper outlet 34, the first pipeline 9 and the fourth pipeline 44 respectively penetrate through the paper outlet 34, the opening and closing direction of the top of the printer body 1 is as indicated by arrows in fig. 1, and the paper outlet 34 is provided on the back of the printer body 1, so that the opening and closing of the printer body 1 are not affected by the pipelines;

a row of pipeline jacks 8 are arranged above the mounting shell 7, the first pipelines 9 respectively extend into the mounting shell 7 from the pipeline jacks 8, the first pipelines 9 and the jacks 8 are fixed, and the fixing mode can be fixed by adopting sealant;

as shown in fig. 5, a pair of pipe connection devices are arranged inside the installation shell 7, each pipe connection device comprises a supporting pipe 18 with one end sealed and the other end open, two ends of the supporting pipe 18 penetrate and are fixed on a supporting seat 19, and the supporting seat 19 is connected on the inner wall of the installation shell 7; a plurality of first pipe joints 45 are connected to the top of each supporting pipe 18 at intervals; the first pipe joint 45 is correspondingly connected with the first pipeline 9 and the fourth pipeline 44 respectively, so that the air flow in the first pipeline 9 and the fourth pipeline 44 is directly blown into the supporting pipe 18;

as shown in fig. 5, the ends of the two support pipes 18 are connected to a third pipe joint 29 through a fifth pipe 28, and the other end of the third pipe joint 29 is connected to an air inlet of an exhaust fan 43.

Specifically, the present invention provides a scheme for gathering the air flows in the first and

fourth pipelines

9 and 44, in which the first and

fourth pipelines

9 and 44 are connected in parallel to the supporting tube 18, and finally become one in the supporting tube 18.

Further, as shown in fig. 3, the bottom edges of the two support cylinders 36 are connected with an annular edge 39, the two annular edges 39 are stacked together, wherein the upper surface of the lower annular edge 39 is provided with a plurality of clamping blocks 38 arranged at equal intervals; the bottom surface of the annular edge 39 positioned above is provided with a plurality of bayonets 40 corresponding to the clamping blocks 38, and the bayonets 40 are butted with the clamping blocks 38, so that the strip-shaped ventilation ports 37 on the two supporting cylinders 36 correspond to each other.

Specifically, when the two supporting cylinders 36 are mutually butted, the strip-shaped ventilation openings 37 are conveniently and correspondingly connected; the inlet of the supporting cylinder 36 located below corresponds to the position of the sixth pipe joint 25, and the wind blown by the sixth pipe joint 25 directly blows into the supporting cylinder 36 and is then filtered by the filtering mechanism, so that pollution-free air is obtained.

As shown in fig. 4, further, the filter mechanism is a tubular filter bag made of at least one layer of meltblown 5, the tubular meltblown 5 can be fitted over a smaller diameter support tube 36 to be inserted into the larger diameter support tube, and the bottom of the tubular meltblown 5 is compressed between two annular edges 39. The key material that melt-blown cloth position gauze mask made, so melt-blown cloth filter effect is good, and filter time is long, can effectively filter tiny granule in the air, is equipped with the rubber pad between sealed lid 33 and the support section of thick bamboo 36, lets sealed lid 33 and support section of thick bamboo 36 between the counterbalance not hard up.

Furthermore, the filtering mechanism is an air filter element, the air filter element is directly sleeved on the supporting cylinder 36 positioned inside, the air filter element has a good filtering effect, tiny particles in air can be effectively filtered, and a rubber pad is arranged between the sealing cover 33 and the supporting cylinder 36, so that the sealing cover 33 and the supporting cylinder 36 are abutted against each other and are not loosened.

Further, as shown in fig. 5, the other ends of the fifth pipe joints 31 are both connected to the second pipe 22, and the other end of the second pipe 22 is connected to the air outlet channel 20;

the air outlet structure is characterized in that a partition plate 21 in sealing connection with the inner wall is arranged on each of two sides of the inside of the installation shell 7, an air outlet space 23 is formed between the partition plate 21 and the side edge of the installation shell 7, a plurality of air outlets 30 are formed in the side edge of the installation shell 7, the air outlets 30 are communicated with the air outlet space 23, and sealing rubber 27 is arranged on the tops of the installation shell 7 and the partition plate 21.

Specifically, the air coming out of the fifth pipe joint 31 directly flows into the air outlet space 23 from the air outlet channel 20, and finally flows out from the air outlet 30, when the mounting housing 7 is connected with the printer body 1, the sealing rubber 27 seals the mounting housing 7 and the partition plate 21, so that the air outlet space 23 forms an independent space.

Further, as shown in fig. 1 and 2, rectangular grooves 3 are formed in the joints of the mounting housing 7 and the printer body 1, the mounting housing 7 is connected with the two sides of the printer body 1 through a plurality of hasps 4, the hasps 4 are respectively located in the rectangular grooves 3, and the hasps 4 can lock the mounting housing 7 and also achieve the purpose of convenient detachment.

Further, as shown in fig. 5 and 6, the filter canister 26 is fixed to a fixing plate 32, and the fixing plate 32 is mounted on the inner wall of the mounting case 7 by bolts, so that the filter canister 26 can be easily detached.

It should be emphasized that all the above-mentioned connection relationships between the pipe joints and the connectors are plug-in structures, which are convenient for installation and disassembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A printer with a carbon powder filtering function comprises a printer body (1), wherein the printer body (1) comprises a first paper outlet (41) arranged on the side surface of the printer body and a second paper outlet (42) arranged on the top of the printer body, and is characterized in that an L-shaped mounting plate (10) is arranged on the top of the second paper outlet (42), and the mounting plate (10) covers the second paper outlet (42);

the printing machine further comprises two dust suction devices, each dust suction device comprises a quadrilateral supporting frame (13), two sides of each quadrilateral supporting frame (13) are arranged in U-shaped slots (35) matched with the quadrilateral supporting frames, the quadrilateral supporting frames (13) can be drawn back and forth in the U-shaped slots (35), and the U-shaped slots (35) are respectively connected to the mounting plate (10) and the outer wall of the printing machine body (1) at the inner top of the first paper outlet (41);

the interior of each quadrilateral supporting frame (13) is connected with an upward convex arc top (11), the middle part of the arc top (11) is connected with a second pipe joint (12), and a plurality of third pipe joints (15) are connected around the arc top (11) by taking the second pipe joint (12) as the circle center;

adsorption pipelines (16) are fixedly connected to four inner walls of the quadrilateral supporting frame (13), strip-shaped air inlets (17) are formed right below the adsorption pipelines (16), one end of each adsorption pipeline (16) is sealed, the other end of each adsorption pipeline is connected with a fourth pipe joint (14), and the fourth pipe joints (14) penetrate through and extend out of the upper portion of the arc top (11);

a plurality of first pipelines (9) are distributed in the first paper outlet (41), a plurality of fourth pipelines (44) are distributed in the second paper outlet (42), the first pipelines (9) and the fourth pipelines (44) are respectively connected with the second pipe joint (12), the third pipe joint (15) and the fourth pipe joint (14), and the other ends of the first pipelines (9) and the fourth pipelines (44) are connected with an air inlet of an exhaust fan (43);

an outlet of the exhaust fan (43) is connected to a sixth pipe joint (25) through a third pipeline (24), the sixth pipe joint (25) is connected to the bottom of a filter tank (26), fifth pipe joints (31) are symmetrically installed on two sides of the top of the filter tank (26), a filter device is arranged in the filter tank (26), the filter device comprises two support cylinders (36) which are identical in shape and are large and small, one support cylinder (36) can be inserted into the other support cylinder (36), strip-shaped ventilation openings (37) which are arranged in a matrix mode are formed in the surfaces of the two support cylinders (36), and a filter mechanism is arranged between the two support cylinders (36);

the top of the filter tank (26) is in threaded connection with a sealing cover (33).

2. The printer with toner filtering function of claim 1, wherein: the back of the printer body (1) is provided with a mounting groove (6) which is sunken towards the inside, a mounting shell (7) is accommodated in the mounting groove (6), the bottom of the side wall of the mounting groove (6) is provided with a mounting cavity (2), a motor part in the exhaust fan (43) is fixed on the bottom surface of the mounting cavity (2), and a shell part of the exhaust fan (43) is positioned in the mounting shell (7);

the inner walls of the first paper outlet (41) and the second paper outlet (42) are respectively provided with a paper outlet (34), and the first pipeline (9) and the fourth pipeline (44) respectively penetrate out of the paper outlet (34);

a row of pipeline jacks (8) are mounted above the mounting shell (7), and the first pipelines (9) respectively extend into the mounting shell (7) from the pipeline jacks (8);

a pair of pipeline connecting devices are arranged inside the mounting shell (7), each pipeline connecting device comprises a supporting pipe (18) with one end sealed and the other end open, two ends of each supporting pipe (18) penetrate through and are fixed on a supporting seat (19), and the supporting seats (19) are connected to the inner wall of the mounting shell (7); the top of each supporting pipe (18) is connected with a plurality of first pipe joints (45) at intervals; the first pipe joint (45) is correspondingly connected with the first pipeline (9) and the fourth pipeline (44) respectively;

the tail ends of the two supporting pipes (18) are connected to a third pipe joint (29) through a fifth pipeline (28), and the other end of the third pipe joint (29) is connected with an air inlet of an exhaust fan (43).

3. The printer with toner filtering function of claim 1, wherein: the bottom edges of the two supporting cylinders (36) are connected with annular edges (39), the two annular edges (39) are overlapped together, and a plurality of clamping blocks (38) which are arranged at equal intervals are arranged on the upper surface of the lower annular edge (39); the bottom surface of the annular edge (39) positioned above is provided with a plurality of bayonets (40) corresponding to the clamping blocks (38), the bayonets (40) are in butt joint with the clamping blocks (38), and the strip-shaped ventilation openings (37) on the two supporting cylinders (36) correspond to each other.

4. The printer with toner filtering function of claim 1, wherein: the filter mechanism is a cylindrical filter bag made of at least one layer of melt-blown cloth (5), and the cylindrical melt-blown cloth (5) can be sleeved on a support cylinder (36) with a smaller diameter and then inserted into the support cylinder with a larger diameter.

5. The printer with toner filtering function of claim 1, wherein: the filter mechanism is an air filter element.

6. The printer with toner filtering function of claim 1, wherein: the other ends of the fifth pipe joints (31) are connected with second pipelines (22), and the other ends of the second pipelines (22) are connected with an air outlet channel (20);

the air outlet structure is characterized in that a partition plate (21) in sealing connection with the inner wall is arranged on each of two sides of the inner portion of the mounting shell (7), an air outlet space (23) is formed between the partition plate (21) and the side edge of the mounting shell (7), a plurality of air outlets (30) are formed in the side edge of the mounting shell (7), the air outlets (30) are communicated with the air outlet space (23), and sealing rubber (27) is arranged at the tops of the mounting shell (7) and the partition plate (21).

7. The printer with toner filtering function of claim 1, wherein: rectangular channel (3) have all been seted up with the junction of printer body (1) in installation casing (7), and installation casing (7) link to each other through a plurality of hasps (4) with the both sides of printer body (1), hasp (4) are located rectangular channel (3) respectively.

8. The printer with toner filtering function of claim 1, wherein: the filter tank (26) is fixed on a fixing plate (32), and the fixing plate (32) is installed on the inner wall of the installation shell (7) through bolts.