CN211776957U - Purifying door with filter - Google Patents

Abstract

The utility model belongs to the technical field of a purifying door with a filter, in particular to a purifying door with a filter, which comprises a door frame and a door body; the door body is provided with an air circulation channel in a penetrating way, and the outer side and the inner side of the door body are respectively covered with a primary filter and a high-efficiency filter at the air circulation channel; the primary filter comprises a primary filter frame, a plurality of spraying diamond-shaped nets, a plurality of chain wheels and a transmission chain; the both ends of spraying rhombus net all are equipped with the pivot, and the symmetrical bilateral array of just imitating filter frame open-ended is equipped with first mounting hole, and the spraying rhombus net rotates through the pivot to be connected in first mounting hole, makes the multi-disc spraying rhombus net form the shutter structure at the opening part of just imitating filter frame.

Description

Purifying door with filter

Technical Field

The utility model belongs to the technical field of the purifying door with filter, especially, relate to a purifying door with filter.

Background

The purification door is used for a clean room with high requirement on cleanliness, dust accumulation is reduced as much as possible, and the guarantee of the sealing performance of the purification door is one of important methods for improving the cleanliness in the clean room.

The door body of the purifying door is usually provided with a filter, and the filter is used for filtering air entering the clean room from the outside through the filter, so that the clean room can be in air circulation with the outside, and the cleanliness of the air in the clean room can be guaranteed. When the filter uses one section, can constantly accumulate a large amount of dust on the filter, and present most purification door, filter and the door body adopt body structure or embedded fixed knot to construct, inconvenient filter follow door body dismantlement wash or change new filter, the operation is inconvenient. In addition, the filter structure of the door body of the purifying door is single, and for the environment with large external dust, the filter with the single structure can be quickly full of dust, so that the filtering effect of the filter is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a purifying door with filter, the filter structure that aims at solving the purifying door's among the prior art door body is more single, and to the great environment of external dust, the filter of single structure can be amasss up the dust very fast, leads to the filter effect greatly reduced's of filter technical problem.

In order to achieve the purpose, the embodiment of the utility model provides a purification door with a filter, which comprises a door frame and a door body, wherein the door body is connected with the inside of the door frame through a hinge in an adaptive manner; the door body is provided with an air circulation channel in a penetrating way, and the outer side and the inner side of the door body are respectively covered with a primary filter and a high-efficiency filter at the air circulation channel; the primary filter comprises a primary filter frame, a plurality of spraying diamond-shaped nets, a plurality of chain wheels and a transmission chain; the two ends of each spraying diamond-shaped net are respectively provided with a rotating shaft, first mounting holes are formed in the two symmetrical side arrays of the opening of the primary effect filtering frame, the spraying diamond-shaped nets are rotatably connected to the first mounting holes through the rotating shafts, and therefore a plurality of spraying diamond-shaped nets form a shutter structure at the opening of the primary effect filtering frame; one side of the primary filter frame is dug to form a mounting groove, and the rotating shafts on one side of the spraying diamond-shaped net correspondingly penetrate through the first mounting holes one by one and extend into the mounting groove; each chain wheel is arranged on one rotating shaft in the mounting groove, and the transmission chain is sleeved on the chain wheels; the door body outside is followed the protruding connecting seat that is equipped with in left side, downside and the right side border of circulation of air passageway, the interior both sides of connecting seat are dug and are equipped with the mounting groove, just imitate filter frame's left and right sides both ends difference adaptation connect in two in the mounting groove, make just imitate filter demountable installation in with the door body outside circulation of air passageway department.

Optionally, the primary filter further comprises a protective cover, and the protective cover is adapted to be mounted at an opening of the mounting groove; the two ends of the protective cover are respectively provided with a connecting part in an extending mode, the two connecting parts are respectively accommodated at the two ends of the mounting groove, threaded mounting holes are formed in the two connecting parts in a penetrating mode, and each fixing screw penetrates through one threaded mounting hole to be in threaded connection with the bottom of the mounting groove.

Optionally, a handle is arranged at the upper end of the primary filter frame.

Optionally, the door body is provided with an installation frame body on four side walls of the air circulation channel, and the installation frame body is uniformly provided with a plurality of connecting holes; the high-efficiency filter is accommodated in the air circulation channel in a matching way from the inner side of the door body and is abutted against the mounting frame body; each fastening screw penetrates through one connecting hole to be in threaded connection with the high-efficiency filter.

Optionally, the door frame comprises an upper side door frame, a left side door frame and a right side door frame, and the upper ends of the left side door frame and the right side door frame are respectively connected with two ends of the upper side door frame; mounting grooves are formed in the upper side door frame, the left side door frame and the right side door frame on one sides close to the wall body, and the mounting grooves are matched with the thickness of the wall body; the side door frame, the left side door frame with the both sides of right side door frame all run through and are equipped with a plurality of second mounting holes, and each fastener activity passes one second mounting hole and wall connection, so that the side door frame, the left side door frame with right side door frame fixed mounting is on the wall body.

Optionally, an upper stepped limiting table, a left stepped limiting table and a right stepped limiting table are respectively arranged on one side of the upper door frame, the left door frame and the right door frame, which is close to the door body; the upper ends of the left stepped limiting table and the right stepped limiting table are respectively and flatly connected with the two ends of the upper stepped limiting table; the outer diameter of one side of the door body is gradually reduced to form a stepped limiting table, and the stepped limiting table is abutted against the upper stepped limiting table, the left stepped limiting table and the right stepped limiting table when the door body is closed in the door frame.

Optionally, a sealing ring is arranged on the stepped limiting platform, and the sealing ring is in sealing connection with the upper stepped limiting platform, the left stepped limiting platform and the right stepped limiting platform when the door body is closed in the door frame.

Optionally, the left door frame comprises a first door frame and a second door frame; the first door frame comprises a first door frame plate, a second door frame plate and a third door frame plate which are sequentially connected; the first door frame plate and the third door frame plate are both arranged vertically to the second door frame plate, and the first door frame plate and the third door frame plate are positioned on the same side of the second door frame plate; the second door frame comprises a fourth door frame plate, a fifth door frame plate and a sixth door frame plate which are sequentially connected; the fourth door frame plate and the sixth door frame plate are both arranged vertically to the fifth door frame plate, and the fourth door frame plate and the sixth door frame plate are positioned on the same side of the fifth door frame plate; the third door frame plate is connected with the sixth door frame plate in an abutting mode, and the left stepped limiting table is formed on the sixth door frame plate; the mounting groove is formed between the first door frame plate and the fourth door frame plate, and the second mounting hole is formed in each of the first door frame plate and the fourth door frame plate.

Optionally, both ends of the upper side door frame are respectively set as a first 45-degree inclined portion, the upper end of the left side door frame and the upper end of the right side door frame are respectively set as a second 45-degree inclined portion, and the second 45-degree inclined portions are respectively matched and connected with the first 45-degree inclined portions.

Optionally, the outer side of the second mounting hole is provided with a conical or cylindrical countersunk groove.

The embodiment of the utility model provides a purifying door with filter has one of following technological effect:

1. and the outer side and the inner side of the door body are respectively covered with a primary filter and a high-efficiency filter at the air circulation channel. The primary filter has the prefiltration effect to the dust in the air, and dust or great dust in the air pass through earlier the primary filter carries out the prefiltration, makes and enters into the air dust content of high efficiency filter department reduces, passes through again high efficiency filter carries out further filtration to the tiny dust of air or smell, avoids the dust to all accumulate in high efficiency filter department, and the filter effect is good.

2. The door body outside is followed the protruding connecting seat that is equipped with in left side, downside and the right side border of circulation of air passageway, the interior both sides of connecting seat are dug and are equipped with the mounting groove, just imitate filter frame's left and right sides both ends difference adaptation connect in two in the mounting groove, make just imitate filter demountable installation in with the door body outside circulation of air passageway department, conveniently pull down just imitate the filter and wash.

3. Each the both ends of spraying rhombus net all are equipped with the pivot, it is equipped with first mounting hole to just imitate filtration frame open-ended symmetry bilateral array, the spraying rhombus net pass through the pivot rotate connect in first mounting hole makes the multi-disc the spraying rhombus net is in just imitate the opening part of filtration frame and form the shutter structure. The spraying diamond-shaped net is pushed by a hand to be opened at different angles, so that the angle opening of the spraying diamond-shaped net can be adjusted according to the content of external dust, and the filtering effect of the primary filter can be adjusted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a purification door with a filter according to the present invention.

Fig. 2 is another view of the structure of the purification door with a filter according to the present invention.

Fig. 3 is a first exploded view of the purification door with a filter according to the present invention.

Fig. 4 is a second exploded view of the purification door with a filter according to the present invention.

Fig. 5 is a schematic view of the primary filter of the purification door with a filter according to the present invention.

Fig. 6 is a schematic structural view of a door frame of a purification door with a filter according to the present invention.

Fig. 7 is an exploded view of the door frame of the purification door with a filter according to the present invention.

Fig. 8 is an enlarged view of a portion a in fig. 7 according to the present invention.

Wherein, in the figures, the respective reference numerals:

door frame 100, mounting groove 101, mounting hole 102, countersunk head groove 102a, upper door frame 110, upper stepped limit table 111, left door frame 120, left stepped limit table 121, first door frame 122, first door frame plate 122a, second door frame plate 122b, third door frame plate 122b, second door frame 123, fourth door frame plate 123a, fifth door frame plate 123b, sixth door frame plate 123c, right door frame 130, right stepped limit table 131, connecting plate 140, first 45-degree inclined part 150, second 45-degree inclined part 160, door body 200, stepped limit table 201, sealing ring 202, hinge 210, air circulation passage 220, connecting seat 230, mounting groove 231, mounting frame body 240, fastening screw 241, primary filter 300, primary filter frame 310, handle 311, spray diamond mesh 320, sprocket 330, rotating shaft 340, bearing 350, mounting groove 371, shield 370, connecting part, set screw 372, high efficiency filter 400.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, referring to fig. 1, 2 and 4, a purification door with a filter is provided, which includes a door frame 100 and a door body 200, wherein the door body 200 is connected to the inside of the door frame 100 by a hinge 210. The door body 200 is provided with an air circulation passage 220 in a penetrating manner, and the air circulation passage 220 is covered with a primary filter 300 and a high-efficiency filter 400 on the outer side and the inner side of the door body 200 respectively. Primary filter 300 has the prefiltration effect to the dust in the air, and dust or great dust in the air pass through earlier primary filter 300 carries out the prefiltration, makes and enters into the air dust content of high efficiency filter 400 department reduces, passes through high efficiency filter 400 further filters the tiny dust of air or smell, avoids the dust to all accumulate in high efficiency filter 400 department, and the filter effect is good.

Referring to fig. 4 and 5, the primary filter 300 includes a primary filter frame 310, a plurality of spray diamond-shaped screens 320, a plurality of sprockets 330, and a drive chain (not shown). Each both ends of spraying rhombus net 320 all are equipped with pivot 340, the open-ended symmetrical bilateral array of primary filter frame 310 is equipped with first mounting hole, spraying rhombus net 320 passes through pivot 340 rotate connect in first mounting hole makes the multi-disc spraying rhombus net 320 is in the opening part of primary filter frame 310 forms the shutter structure. Preferably, each of the rotating shafts 340 is rotatably connected to the first mounting hole through a bearing 350. One side of the primary filter frame 310 is dug to be provided with a mounting groove 360, and the rotating shaft 330 on one side of the spraying diamond-shaped net 320 correspondingly penetrates through the first mounting holes in a one-to-one manner to extend into the mounting groove 360. Each of the chain wheels 330 is mounted on one of the rotating shafts 340 in the mounting groove 360, and the driving chain is sleeved on a plurality of the chain wheels 330. The spraying diamond-shaped net 320 is pushed by hand to open at different angles, so that the opening angle of the spraying diamond-shaped net 320 can be adjusted according to the content of the external dust, and the filtering effect of the primary filter 300 can be adjusted.

Referring to fig. 3 and 4, the door body 200 is outside along the left side, the lower side and the right side edge of the air circulation channel 220 are convexly provided with the connecting seat 230, the inner two sides of the connecting seat 230 are dug to be provided with mounting grooves 231, the left and right ends of the primary filter frame 310 are respectively in adaptive connection with two of the mounting grooves 231, so that the primary filter 300 is detachably mounted at the air circulation channel 220 outside the door body 200, and is convenient to detach the primary filter 300 for cleaning.

Referring to fig. 5, the primary filter 300 further includes a protective cover 370, and the protective cover 370 is adapted to be mounted at the opening of the mounting groove 360. The two ends of the protective cover 370 are respectively extended with a connecting portion 371, the two connecting portions 371 are respectively accommodated at the two ends of the mounting groove 360, a threaded mounting hole is formed in each connecting portion 371 in a penetrating manner, and each fixing screw 372 penetrates through one threaded mounting hole to be in threaded connection with the bottom of the mounting groove 360. Dust is blocked from entering the mounting slot 360 by the shroud 370, preventing excessive dust from accumulating on the sprocket 330 and the drive chain.

Referring to fig. 4, a handle 311 is disposed at an upper end of the primary filter frame 310, so that a user can conveniently grasp the handle 311 with his/her hand and take out the primary filter 300 from the connecting seat 230.

Referring to fig. 4, the door body 200 is provided with an installation frame 240 on four side walls of the air flow passage 220, and the installation frame 240 is uniformly provided with a plurality of connection holes. The high efficiency filter 400 is accommodated in the air flow passage 220 in a fitting manner from the inner side of the door 200, and is abutted to the mounting frame 240. Each fastening screw 241 passes through one of the connection holes to be in threaded connection with the high efficiency filter 400, so that the high efficiency filter 400 is detachably mounted at the air circulation passage 220, and the high efficiency filter 400 is conveniently taken out to clean or replace the high efficiency filter 400. Wherein the high efficiency filter 400 is a mature prior art.

Referring to fig. 3, 6 and 7, the door frame 100 includes an upper side door frame 110, a left side door frame 120 and a right side door frame 130, and upper ends of the left side door frame 120 and the right side door frame 130 are respectively connected to both ends of the upper side door frame 110 to form the door frame 100. The upper side door frame 110, the left side door frame 120 and the right side door frame 130 are all provided with mounting grooves 101 on one side close to the wall body, and the mounting grooves 101 are matched with the thickness of the wall body. A plurality of second mounting holes 102 are formed through both sides of the upper side door frame 110, the left side door frame 120, and the right side door frame 130, and each fastener (not shown) movably passes through one of the second mounting holes 102 to be connected to a wall, so that the upper side door frame 110, the left side door frame 120, and the right side door frame 130 are fixedly mounted on the wall. During installation, the staff will the upside door frame 110 the left side door frame 120 with the right side door frame 130 passes through respectively mounting groove 101 cup joints on the wall body, the rethread the fastener passes second mounting hole 102 and wall connection make upside door frame 110 the left side door frame 120 with right side door frame 130 fixed mounting accomplishes the door frame installation on the wall body, and simple to operate need not to dig on the wall body and establishes the door frame mounting groove, saves artifical installation cost.

Referring to fig. 6 and 7, the upper door frame 110, the left door frame 120, and the right door frame 130 are respectively provided with an upper stepped stopper 111, a left stepped stopper 121, and a right stepped stopper 131 on a side close to the door body. The upper ends of the left stepped limiting table 121 and the right stepped limiting table 131 are respectively connected with the two ends of the upper stepped limiting table 111 in a smooth mode. The outer diameter of one side of the door body 200 is gradually reduced to form a stepped limiting table 201, the stepped limiting table 201 is in the state that the door body 200 is closed in the door frame 100, the door body 200 is abutted with the upper stepped limiting table 111, the left stepped limiting table 121 and the right stepped limiting table 131, the door body 200 is prevented from being transited and overturned relative to the door frame 100, and the door body 200 is guaranteed to be stably closed in the door frame 100.

Referring to fig. 3, a seal ring 202 is disposed on the stepped limiting table 201, and when the door 200 is closed in the door frame 100, the seal ring 202 is hermetically connected to the upper stepped limiting table 111, the left stepped limiting table 121, and the right stepped limiting table 131, so that air is prevented from entering a clean room, a clean room or a laboratory room through a gap between the door 200 and the door frame 100, and the sealing effect is good.

Referring to fig. 7 and 8, the left door frame 120 includes a first door frame 122 and a second door frame 123. The first door frame 122 includes a first door frame plate 122a, a second door frame plate 122b, and a third door frame plate 122b, which are connected in sequence. The first door frame plate 122a and the third door frame plate 122b are both perpendicular to the second door frame plate 122b, and the first door frame plate 122a and the third door frame plate 122b are located on the same side of the second door frame plate 122 b. The second door frame 123 includes a fourth door frame plate 123a, a fifth door frame plate 123b, and a sixth door frame plate 123c connected in sequence. The fourth door frame plate 123a and the sixth door frame plate 123c are both perpendicular to the fifth door frame plate 123b, and the fourth door frame plate 123a and the sixth door frame plate 123c are located on the same side of the fifth door frame plate 123 b. The third door frame plate 122b is connected to the sixth door frame plate 123c in an abutting manner, and the left stepped limiting table 121 is formed on the sixth door frame plate 123 c. The mounting groove 101 is formed between the first door frame plate 122a and the fourth door frame plate 123a, and the second mounting hole 102 is formed on both the first door frame plate 122a and the fourth door frame plate 123 a. The upper door frame 110, the right door frame 130 and the left door frame 120 have the same structure. With the above structure, the upper side door frame 110, the left side door frame 120, and the right side door frame 130 can be conveniently installed on a wall.

Referring to fig. 7 and 8, both ends of the upper side door frame 110 are respectively provided with a first 45 ° inclined portion 150, the upper end of the left side door frame 120 and the upper end of the right side door frame 130 are respectively provided with a second 45 ° inclined portion 160, and the two second 45 ° inclined portions 160 are respectively matched and connected with the two first 45 ° inclined portions 150, so that the upper side door frame 110, the left side door frame 120 and the right side door frame 130 are smoothly connected.

The fasteners (not shown) are provided as screws. The most commonly used fixing method of the door frame is to form brick holes on the wall corresponding to the second mounting holes 102, then to drill glue nails into the brick holes, and finally to connect the glue nails through the screws movably passing through the second mounting holes 102, so that the upper door frame 110, the left door frame 120 and the right door frame 130 can be fixedly mounted on the wall.

Referring to fig. 7 and 8, a conical or cylindrical countersunk groove 102a is formed at an outer side of the second mounting hole 102, so that a nut of the screw is fittingly received in the countersunk groove 102a, and the doorframe is more attractive.

Referring to fig. 6 and 7, the lower ends of the left and right door frames 120 and 130 are connected by a connection plate 140, which enhances the strength of the door frame.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims (10)

1. A purification door with a filter comprises a door frame and a door body, wherein the door body is connected with the inside of the door frame in a matched mode through a hinge; the air-conditioning door is characterized in that an air circulation channel penetrates through the door body, and a primary filter and a high-efficiency filter are respectively covered on the outer side and the inner side of the door body at the air circulation channel; the primary filter comprises a primary filter frame, a plurality of spraying diamond-shaped nets, a plurality of chain wheels and a transmission chain; the two ends of each spraying diamond-shaped net are respectively provided with a rotating shaft, first mounting holes are formed in the two symmetrical side arrays of the opening of the primary effect filtering frame, the spraying diamond-shaped nets are rotatably connected to the first mounting holes through the rotating shafts, and therefore a plurality of spraying diamond-shaped nets form a shutter structure at the opening of the primary effect filtering frame; one side of the primary filter frame is dug to form a mounting groove, and the rotating shafts on one side of the spraying diamond-shaped net correspondingly penetrate through the first mounting holes one by one and extend into the mounting groove; each chain wheel is arranged on one rotating shaft in the mounting groove, and the transmission chain is sleeved on the chain wheels; the door body outside is followed the protruding connecting seat that is equipped with in left side, downside and the right side border of circulation of air passageway, the interior both sides of connecting seat are dug and are equipped with the mounting groove, just imitate filter frame's left and right sides both ends difference adaptation connect in two in the mounting groove, make just imitate filter demountable installation in with the door body outside circulation of air passageway department.

2. The purification door with a filter according to claim 1, wherein: the primary filter also comprises a protective cover which is arranged at the opening of the mounting groove in a matching way; the two ends of the protective cover are respectively provided with a connecting part in an extending mode, the two connecting parts are respectively accommodated at the two ends of the mounting groove, threaded mounting holes are formed in the two connecting parts in a penetrating mode, and each fixing screw penetrates through one threaded mounting hole to be in threaded connection with the bottom of the mounting groove.

3. The purification door with a filter according to claim 2, wherein: and a handle is arranged at the upper end of the primary filtering frame.

4. The purification door with a filter according to claim 3, wherein: the door body is provided with an installation frame body on four side walls of the air circulation channel, and the installation frame body is uniformly provided with a plurality of connecting holes; the high-efficiency filter is accommodated in the air circulation channel in a matching way from the inner side of the door body and is abutted against the mounting frame body; each fastening screw penetrates through one connecting hole to be in threaded connection with the high-efficiency filter.

5. The purification door with a filter according to claim 4, wherein: the door frame comprises an upper side door frame, a left side door frame and a right side door frame, and the upper ends of the left side door frame and the right side door frame are respectively connected with two ends of the upper side door frame; mounting grooves are formed in the upper side door frame, the left side door frame and the right side door frame on one sides close to the wall body, and the mounting grooves are matched with the thickness of the wall body; the side door frame, the left side door frame with the both sides of right side door frame all run through and are equipped with a plurality of second mounting holes, and each fastener activity passes one second mounting hole and wall connection, so that the side door frame, the left side door frame with right side door frame fixed mounting is on the wall body.

6. The purification door with a filter according to claim 5, wherein: the upper side door frame, the left side door frame and the right side door frame are respectively provided with an upper side stepped limiting table, a left side stepped limiting table and a right side stepped limiting table at one side close to the door body; the upper ends of the left stepped limiting table and the right stepped limiting table are respectively and flatly connected with the two ends of the upper stepped limiting table; the outer diameter of one side of the door body is gradually reduced to form a stepped limiting table, and the stepped limiting table is abutted against the upper stepped limiting table, the left stepped limiting table and the right stepped limiting table when the door body is closed in the door frame.

7. The purification door with a filter according to claim 6, wherein: the stepped limiting platform is provided with a sealing ring, and the sealing ring is in sealing connection with the upper stepped limiting platform, the left stepped limiting platform and the right stepped limiting platform when the door body is closed in the door frame.

8. The purification door with a filter according to claim 7, wherein: the left door frame comprises a first door frame and a second door frame; the first door frame comprises a first door frame plate, a second door frame plate and a third door frame plate which are sequentially connected; the first door frame plate and the third door frame plate are both arranged vertically to the second door frame plate, and the first door frame plate and the third door frame plate are positioned on the same side of the second door frame plate; the second door frame comprises a fourth door frame plate, a fifth door frame plate and a sixth door frame plate which are sequentially connected; the fourth door frame plate and the sixth door frame plate are both arranged vertically to the fifth door frame plate, and the fourth door frame plate and the sixth door frame plate are positioned on the same side of the fifth door frame plate; the third door frame plate is connected with the sixth door frame plate in an abutting mode, and the left stepped limiting table is formed on the sixth door frame plate; the mounting groove is formed between the first door frame plate and the fourth door frame plate, and the second mounting hole is formed in each of the first door frame plate and the fourth door frame plate.

9. The purification door with a filter according to claim 8, wherein: the both ends of upside door frame all establish to first 45 inclinations the upper end of left side door frame and the upper end of right side door frame all establish to second 45 inclinations, two second 45 inclinations respectively with two first 45 inclinations cooperation is met.

10. The purification door with a filter according to claim 9, wherein: the outer side of the second mounting hole is provided with a conical or cylindrical countersunk groove.

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