CN219231782U - Filter of fast-assembling cigarette machine - Google Patents

Abstract

The utility model discloses a filter of a quick-mounting smoke machine, which comprises a shell, wherein the lower end of the shell is provided with a connector for being connected with an exhaust pipe of the smoke machine, the shell comprises a left shell and a right shell, filter screen assemblies are arranged in the left shell and the right shell, the shell is provided with an edge buckling structure, the edge buckling structure comprises buckling holes and buckling hooks, the buckling hooks are buckled with corresponding buckling holes, the right end of the left shell is connected with the left end of the right shell through the edge buckling structure, the shell is internally provided with a guide pillar assembly for guiding the buckling holes of the buckling hooks, the guide pillar assembly comprises a guide pillar and a guide sleeve, and the guide pillar is adaptively inserted into the corresponding guide sleeve. The filter of the quick-mounting cigarette machine is beneficial to improving the assembly efficiency.

Description

Filter of fast-assembling cigarette machine

Technical Field

The utility model relates to the field of filters for range hoods, in particular to a filter for a quick-mounting range hood.

Background

At present, a kitchen of a residence is generally provided with a range hood, and the range hood is called a range hood for short. Some indoor environments are not suitable for installing an external-exhaust type range hood, for example, in a commercial apartment which is emerging at present, and the commercial apartment is not provided with a flue and does not allow the exhaust of oil smoke, so that the Chinese patent with publication number of CN215372633U discloses an internal-exhaust filter of the range hood: the air conditioner comprises a shell, wherein the lower end of the shell is provided with a connector used for being connected with an exhaust pipe of the range hood, a left active carbon filter screen and a right active carbon filter screen are arranged in the shell, an air duct is formed by surrounding the left active carbon filter screen and the right active carbon filter screen, the air duct is gradually narrowed from bottom to top, the lower end of the air duct is correspondingly communicated with the connector and connected with the connector, the left side of the left active carbon filter screen is provided with a left HEPA filter screen, the right side of the right active carbon filter screen is provided with a right HEPA filter screen, the shell comprises a left shell and a right shell, a first connecting lug is formed at the edge part of the left shell, a second connecting lug is formed at the edge part of the right shell, and the first connecting lug is fixedly connected with the corresponding second connecting lug through a corresponding screw; the fume air flow exhausted from the exhaust pipe of the fume machine is filtered by the fume machine inner exhaust filter, so that the fume can be prevented from polluting the indoor environment. However, the structure of connecting the left shell and the right shell through the screws is not beneficial to improving the assembly efficiency, so that the screws are required to be distributed in practice for the butt joint stability of the edges of the left shell and the right shell, and the assembly efficiency of the shell is lower, and the improvement is necessary.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a filter of a quick-mounting cigarette machine, which is beneficial to improving the assembly efficiency.

The aim of the utility model is achieved by the following technical scheme.

The utility model discloses a fast-assembling smoke machine filter, which comprises a shell, wherein the lower end of the shell is provided with a connector used for being connected with an exhaust pipe of a smoke ventilator, the shell comprises a left shell and a right shell, filter screen assemblies are arranged in the left shell and the right shell, the shell is provided with an edge buckling structure, the edge buckling structure comprises buckling holes and buckling hooks, the buckling hooks are buckled with the corresponding buckling holes, the right end of the left shell is connected with the left end of the right shell through the edge buckling structure, a guide pillar assembly used for guiding the buckling hooks to be buckled with the buckling holes is arranged in the shell, the guide pillar assembly comprises guide pillars and guide sleeves, and the guide pillars are adaptively inserted into the corresponding guide sleeves.

Preferably, the shell is provided with an edge inserting structure, the edge inserting structure comprises an inserting sheet, an inserting groove and a positioning rib, the positioning rib is formed on the inner wall of the shell, the inserting sheet is inserted in the corresponding inserting groove in an adapting mode, one end of the positioning rib is attached to the inner side of the corresponding inserting sheet, and the right end of the left shell is connected with the left end of the right shell through the edge inserting structure.

Preferably, the left end of the left shell and the right end of the right shell are respectively provided with an air outlet net cover, and the air outlet net covers are arranged on the outer sides of the corresponding filter screen assemblies.

Preferably, a lower pin is formed on the inner side of the lower end of the air outlet mesh enclosure, a mesh enclosure lock catch is slidably connected on the inner side of the upper end of the air outlet mesh enclosure, a lock catch pin is formed on the upper end of the mesh enclosure lock catch, a lower pin mounting hole is formed on the lower portion of the shell, a lock catch pin mounting hole is formed on the upper portion of the shell, the lower pin is inserted in the lower pin mounting hole, the lock catch pin is inserted in the lock catch pin mounting hole, and the mesh enclosure lock catch can slide downwards through external force to enable the lock catch pin to be separated from the lock catch pin mounting hole.

Preferably, the air-out net cover is provided with an upper limit convex strip and a travel limit convex strip, the net cover lock catch is arranged between the upper limit convex strip and the travel limit convex strip, the lower end of the net cover lock catch is provided with a reset spring arm, and the reset spring arm is in contact connection with the travel limit convex strip.

Preferably, an operation groove is formed on the mesh enclosure lock catch, an operation through hole is formed on the upper portion of the air outlet mesh enclosure, and the operation through hole is communicated with the operation groove.

Preferably, an operation notch is formed at the lower part of the casing, the operation notch is located at the inner side of the air outlet mesh enclosure, and the operation notch is located at the lower side of the filter screen assembly.

Preferably, a notch is formed at the lower end of the connector, and a blocking convex strip for blocking the laryngeal cuff from being separated from the connector downward is formed on the outer wall of the lower portion of the connector.

Preferably, the shell further comprises an upper cover, the upper cover is adaptively clamped between the left shell and the right shell, an inner flange is formed at the upper end of the shell, a supporting block and a vertical positioning convex rib are formed on the inner wall of the upper portion of the shell, a flange edge is formed on the upper cover, a lower lug is formed at the bottom of the upper cover, the flange edge is attached to the lower side of the inner flange, the lower lug is attached to the upper side of the vertical positioning convex rib, and the upper cover is fixed on the supporting block through screws.

Compared with the prior art, the utility model has the beneficial effects that: the shell is provided with the edge buckling structure, the edge buckling structure comprises buckling holes and buckling hooks, the buckling hooks are buckled with the corresponding buckling holes, the right end of the left shell is connected with the left end of the right shell through the edge buckling structure, the shell is internally provided with the guide pillar component for guiding the buckling holes of the buckling hooks, the guide pillar component comprises a guide pillar and a guide sleeve, the guide pillar is adaptively inserted into the corresponding guide sleeve, and the left shell and the right shell can be assembled quickly only through simple assembly actions of mutual alignment and approaching, so that the utility model is beneficial to improving the assembly efficiency.

Drawings

Fig. 1 is a schematic perspective view of a filter according to the present utility model in a plan view.

Fig. 2 is an exploded view of the filter of the present utility model.

Fig. 3 is an exploded view of the housing of the present utility model.

Fig. 4 is a schematic perspective view of the filter with the left air outlet screen removed.

Fig. 5 is a schematic bottom perspective view of the filter of the present utility model with the left air outlet screen removed.

Fig. 6 is a schematic view showing a partial structure of a filter according to the present utility model in a cross-sectional view from the bottom.

Fig. 7 is a schematic cross-sectional view of the filter of the present utility model in front view.

Fig. 8 is a schematic view of a partial structure at a in fig. 7.

Fig. 9 is a schematic diagram of the assembly process of the left and right shells of the present utility model.

Fig. 10 is a schematic view of a partial structure at B of fig. 7.

Fig. 11 is a schematic view showing a cross-sectional structure of the filter of the present utility model in a bottom view.

Fig. 12 is a schematic view of a partial structure at C of fig. 11.

Fig. 13 is a schematic view of a back perspective structure of the combination of the air outlet mesh enclosure and the mesh enclosure lock catch of the present utility model.

Fig. 14 is a schematic structural diagram of the combination of the air outlet mesh enclosure and the mesh enclosure lock catch corresponding to fig. 13.

Fig. 15 is a schematic diagram of an unlocking operation of the mesh enclosure lock catch of the present utility model.

Fig. 16 is a schematic perspective view of a mesh enclosure latch according to the present utility model.

Fig. 17 is a schematic view showing a perspective view of the filter according to the present utility model.

Fig. 18 is an exploded view of the filter and range hood of the present utility model.

Description of the reference numerals: 1-a housing; 100-mounting grooves; 101-linker; 1011-notched slits; 1012-blocking convex strips; 11-left shell; 1101-inner slot; 12-right shell; 1201—insert sheet; 102-clasp; 1021-button hole; 103-a guide post; 104-guiding sleeve; 105-positioning ribs; 106-lower pin mounting holes; 107-operation notch; 108-locking pin mounting holes; 1003-supporting block; 1004-an inner flange; 1005-vertical positioning ribs; 13-an upper cover; 1301-flange edges; 1302-lower tab; 2-an air outlet net cover; 200-operating through holes; 201-a guide buckle strip; 202-upper limit convex strips; 203-stroke limit convex strips; 204-lower pins; 21-mesh enclosure lock catches; 210-an operation groove; 211-locking pins; 212-resetting the spring arm; 3-HEPA filter screen; 4-an activated carbon filter screen; 5-a laryngeal cuff; 6, an air duct; 99-range hood; 991-exhaust pipe.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The quick-mounting smoke filter of the utility model, as shown in fig. 1 and 18, comprises a shell 1, a connector 101 for connecting with an exhaust pipe 991 of a smoke exhaust ventilator 99 is formed at the lower end of the shell 1, as shown in fig. 1 to 3, the shell 1 comprises a left shell 11 and a right shell 12, filter screen assemblies are arranged in the left shell 11 and the right shell 12, as shown in fig. 7, the filter screen assemblies specifically comprise a HEPA filter screen 3 and an active carbon filter screen 4, as shown in fig. 3, mounting grooves 100 are respectively formed in the left shell 11 and the right shell 12, as shown in fig. 7, the active carbon filter screen 4 is plugged in the inner position of the mounting grooves 100, the HEPA filter screen 3 is plugged in the outer position of the mounting grooves 100, the HEPA filter screen 3 is overlapped on the outer side of the active carbon filter screen 4, an air duct 6 is formed in the shell 1, the lower end of the air duct 6 is communicated with the connector 101, thus the notch of the mounting grooves 100 is equivalent to an air outlet, and the smoke air flow discharged from the exhaust pipe 991 of the smoke exhaust ventilator 99 enters the air duct 6 through the connector 101, as shown in fig. 3, as shown in fig. 7, the active carbon filter screen 4 and the filter screen 4 is filtered by the filter screen of the utility model is discharged to the left side and right side of the filter screen. The above is described as prior art.

As shown in fig. 3, the housing 1 is provided with an edge fastening structure, the edge fastening structure includes a fastening hole 1021 and a fastening hook 102, the fastening hook 102 is fastened to the corresponding fastening hole 1021, the right end of the left housing 11 is connected to the left end of the right housing 12 through the edge fastening structure, specifically, the fastening hole 1021 may be formed at the right front end of the left housing 11 and the fastening hook 102 may be formed at the left front end of the right housing 12, and simultaneously, the fastening hook 102 may be formed at the right rear end of the left housing 11 and the fastening hole 1021 may be formed at the left rear end of the right housing 12. As shown in fig. 3, 6, 7 and 8, a guide pillar assembly for guiding the fastening hole 1021 of the fastening hook 102 is provided in the casing 1, the guide pillar assembly includes a guide pillar 103 and a guide sleeve 104, the guide pillar 103 is adapted to be inserted into the corresponding guide sleeve 104, specifically, two guide sleeves 104 are formed in the rear portion of the left casing 11, two guide pillars 103 are formed in the front portion of the left casing 11, two guide pillars 103 are formed in the rear portion of the right casing 12, and two guide sleeves 104 are formed in the front portion of the right casing 12. When the left shell 11 and the right shell 12 are assembled as shown in fig. 3 and fig. 9, the guide posts 103 are aligned with the guide sleeves 104 respectively, by setting the appropriate positions of the guide posts 103 and the guide sleeves 104 in the right-left direction, in the process of approaching the left shell 11 and the right shell 12 to each other, taking fig. 9 as an example, the end portions of the guide posts 103 are inserted into the corresponding guide sleeves 104, then the hooks 102 on the left shell 11 are contacted with the left end of the right shell 12 again, and then the hooks 102 are aligned and slid to the fastening holes 1021 through the mutual guiding action of the guide posts 103 and the guide sleeves 104, as shown in fig. 11 and fig. 12, the hooks 102 elastically deform to reach the positions of the fastening holes 1021 after passing over the left end edges of the right shell 12, and then the hooks 102 elastically recover to be hooked into the fastening holes 1021, so that the fastening assembly is completed, as shown in fig. 12, a chamfer for guiding the hooks 102 to cross the left end edges of the right shell 12 can be formed, and a horn mouth for guiding the guide posts 103 to slide into at the entrance of the guide sleeves 104 can be formed as shown in fig. 8. As can be seen from the above, the right end of the left shell 11 is connected with the left end of the right shell 12 through the edge fastening structure, and the fastening hole 1021 of the fastening hook 102 is guided by the guide pillar component, which is beneficial to enabling the left shell 11 and the right shell 12 to be assembled quickly only through simple assembly actions of mutually aligning and approaching, so that the utility model is beneficial to improving the assembly efficiency.

Further, as shown in fig. 3, 6 and 9, the casing 1 is provided with an edge plugging structure, the edge plugging structure includes an insertion piece 1201, an insertion groove 1101 and a positioning rib 105, the positioning rib 105 is formed on the inner wall of the casing 1, the positioning rib 105 may be horizontally disposed, the insertion piece 1201 is adapted to be plugged into the corresponding insertion groove 1101, one end of the positioning rib 105 abuts against the inner side of the corresponding insertion piece 1201, that is, one end of the positioning rib 105 is clamped with the insertion piece 1201, the right end of the left casing 11 is connected with the left end of the right casing 12 through the edge plugging structure, specifically, the right front end of the left casing 11 is formed with the insertion groove 1101, the right rear end of the left casing 11 is formed with the insertion piece 1201, simultaneously, the left front end of the right casing 12 is formed with the insertion piece 1201, and the left rear end of the right casing 12 is formed with the insertion groove 1101; then, in the assembly process of the left shell 11 and the right shell 12, after the end of the guide post 103 is inserted into the corresponding guide sleeve 104, the insertion piece 1201 is inserted into the corresponding insertion groove 1101, so that the right end of the left shell 11 is further beneficial to be aligned with the left end of the right shell 12, the right end of the left shell 11 and the left end of the right shell 12 are firmly assembled, and air leakage between the right shell 12 and the left shell 11 is avoided to a certain extent.

Further, as shown in fig. 1, 2 and 7, the left end of the left shell 11 and the right end of the right shell 12 are respectively provided with an air outlet mesh enclosure 2, the air outlet mesh enclosure 2 is covered on the outer side of the corresponding filter screen assembly, so it can be understood that the air outlets on the left side and the right side of the shell 1 are respectively provided with the air outlet mesh enclosure 2, and the air outlet mesh enclosure 2 plays a role in protecting the filter screen assembly, so as to avoid the filter screen assembly from being damaged in the transportation or storage process.

Further, as shown in fig. 13, a lower pin 204 is formed at the inner side of the lower end of the air outlet mesh enclosure 2, a mesh enclosure lock catch 21 is slidingly connected at the inner side of the upper end of the air outlet mesh enclosure 2, specifically, a guide buckle strip 201 is formed at the back of the air outlet mesh enclosure 2, as shown in fig. 13 and 14, the mesh enclosure lock catch 21 is arranged between the left and right guide buckle strips 201, so that the mesh enclosure lock catch 21 is limited to move up and down, as shown in fig. 16, a lock catch pin 211 is formed at the upper end of the mesh enclosure lock catch 21, as shown in fig. 4 and 5, a lower pin mounting hole 106 is formed at the lower part of the housing 1, a lock catch pin mounting hole 108 is formed at the upper part of the housing 1, the lower pin 204 is inserted into the lower pin mounting hole 106, the lock catch pin 211 is inserted into the lock catch pin mounting hole 108, and the mesh enclosure lock catch 21 can slide down by an external force to disengage the lock catch pin 211 from the lock catch pin mounting hole 108; when the air-out net cover 2 needs to be disassembled, the net cover lock catch 21 is pushed downwards to separate the lock catch pins 211 from the lock catch pin mounting holes 108, then the upper end part of the air-out net cover 2 is swung outwards, and then the air-out net cover 2 is pulled upwards to separate the lower pins 204 from the lower pin mounting holes 106, so that the air-out net cover 2 is separated from the shell 1, the air-out net cover 2 can be cleaned, as shown in fig. 4, after the air-out net cover 2 is taken away, the HEPA filter screen 3 is exposed, and the HEPA filter screen 3 and the activated carbon filter screen 4 can be taken out and replaced. By providing the mesh enclosure lock 21 in combination with the lower pins 204, the user can easily detach the air-out mesh enclosure 2.

Further, as shown in fig. 13 and 14, the air outlet mesh enclosure 2 is formed with an upper limit protrusion 202 and a travel limit protrusion 203, the mesh enclosure lock 21 is disposed between the upper limit protrusion 202 and the travel limit protrusion 203, as shown in fig. 16, a reset spring arm 212 is formed at the lower end of the mesh enclosure lock 21, as shown in fig. 14, and the reset spring arm 212 is in contact connection with the travel limit protrusion 203. When the screen lock 21 is pushed down, the reset spring arm 212 is blocked by the stroke limiting convex strip 203, so that the reset spring arm 212 can be elastically deformed and bent, and when the screen lock 21 is released, the elastic restoring force of the reset spring arm 212 can push the screen lock 21 to move upwards, and when the upper end part of the screen lock 21 contacts the upper limiting convex strip 202, the screen lock 21 is limited; then, in the process of mounting the air-out net cover 2 on the housing 1, the lower pins 204 are inserted into the lower pin mounting holes 106, then the net cover lock catch 21 is pushed down by hand, as shown in fig. 15, the lock catch pins 211 are retracted, then the upper end of the air-out net cover 2 is swung towards the housing 1, then the net cover lock catch 21 is released, and the elastic restoring force of the reset spring arm 212 pushes the net cover lock catch 21 to move upwards, so that the lock catch pins 211 are inserted into the lock catch pin mounting holes 108, thereby completing the assembly of the air-out net cover 2; through the above arrangement, the air outlet net cover 2 is convenient to install.

Further, as shown in fig. 16, an operation groove 210 is formed on the mesh enclosure latch 21, and as shown in fig. 1, an operation through hole 200 is formed at the upper portion of the air outlet mesh enclosure 2, the operation through hole 200 communicates with the operation groove 210, so that a user can push up the mesh enclosure latch 21 by penetrating the operation through hole 200 with a finger and then inserting the operation groove 210 outside. The mesh enclosure lock 21 can be an injection molding piece, so that the material of the reset spring arm 212 is plastic, and rust is avoided.

Further, as shown in fig. 4, an operation notch 107 is formed at the lower portion of the housing 1, as shown in fig. 1, the operation notch 107 is located at the inner side of the air outlet screen 2, in other words, the air outlet screen 2 covers the operation notch 107, as shown in fig. 4 and 7, the operation notch 107 is located at the lower side of the filter screen assembly, that is, the operation notch 107 communicates with the lower end of the mounting groove 100, so after the air outlet screen 2 is disassembled, fingers can be stretched into the operation notch 107 to dig the lower end portion of the HEPA filter screen 3 outwards, and then the activated carbon filter screen 4 is taken out, so that the operation notch 107 is provided to facilitate replacement of the filter screen assembly. For example, as shown in fig. 4, the upper and lower ends of the installation groove 100 may be respectively provided with operation notches 107.

Further, as shown in fig. 17, a notch slit 1011 is formed at the lower end of the joint 101, the notch slit 1011 is circumferentially disposed around the center of the joint 101, and a blocking rib 1012 for blocking the downward detachment of the throat hoop 5 from the joint 101 is formed on the lower outer wall of the joint 101. As shown in fig. 18, when the filter of the present utility model is connected to the exhaust duct 991 of the range hood 99, the hose 5 is first sleeved outside the connector 101, then the connector 101 is sleeved outside the exhaust duct 991, and then the locking screw of the hose 5 is tightened, so that the hose 5 is tightened, the connector 101 is clamped when the hose 5 is tightened, so that the connector 101 is elastically contracted and deformed, that is, the gap 1011 is elastically narrowed, so that the connector 101 is tightly held by the exhaust duct 991, the looseness of the connector 101 and the exhaust duct 991 is avoided, and the air leakage is also avoided. Because the exhaust duct 991 of the smoke machine is inevitably different in size or deformed, the inner diameter elasticity of the connector 101 is adjustable by arranging the notch seam 1011, so that the exhaust duct 991 with different sizes is better compatible. As shown in fig. 17, the blocking protruding strips 1012 are provided to prevent the throat hoop 5 from falling down when not being tightened, and also prevent the throat hoop 5 from loosening due to vibration generated by the operation of the smoke machine. The inside of the joint 101 may be formed with a guide chamfer.

Further, as shown in fig. 1 to 3, the housing 1 further includes an upper cover 13, the upper cover 13 is adapted to be clamped between the left housing 11 and the right housing 12, the upper cover 13 is used for sealing the upper end of the housing 1, as shown in fig. 7 and 10, an inner flange 1004 is formed at the upper end of the housing 1, as shown in fig. 3 and 10, a supporting block 1003 and a vertical positioning rib 1005 are formed on the inner wall of the upper portion of the housing 1, as shown in fig. 3 and 10, a flange edge 1301 is formed on the upper cover 13, a lower lug 1302 is formed at the bottom of the upper cover 13, the flange edge 1301 is abutted against the lower side of the inner flange 1004, the lower lug 1302 is abutted against the upper side of the vertical positioning rib 1005, the upper cover 13 is fixed on the supporting block 1003 by a screw, and the above-mentioned screw passes through the upper cover 13 and is screwed with the supporting block 1003. The mounting and positioning structure of the upper cover 13 is stable.

Claims (9)

1. The utility model provides a fast-assembling cigarette machine filter, includes shell (1), the lower extreme of shell (1) is formed with and is used for the joint (101) of being connected with exhaust pipe (991) of range hood (99), shell (1) are including left shell (11) and right shell (12), left side shell (11) with all be equipped with filter screen subassembly in right shell (12), its characterized in that: the shell (1) is provided with an edge buckling structure, the edge buckling structure comprises a buckling hole (1021) and a buckling hook (102), the buckling hook (102) is buckled and corresponds to the buckling hole (1021), the right end of the left shell (11) is connected with the left end of the right shell (12) through the edge buckling structure, a guide pillar component used for guiding the buckling hook (102) to be buckled and connected with the buckling hole (1021) is arranged in the shell (1), the guide pillar component comprises a guide pillar (103) and a guide sleeve (104), and the guide pillar (103) is matched and inserted in the corresponding guide sleeve (104).

2. A quick-fit smoke machine filter as defined in claim 1, wherein: the shell (1) is provided with an edge inserting structure, the edge inserting structure comprises an inserting sheet (1201), an inserting groove (1101) and a positioning rib (105), the positioning rib (105) is formed on the inner wall of the shell (1), the inserting sheet (1201) is inserted in the corresponding inserting groove (1101), one end of the positioning rib (105) is attached to the inner side of the corresponding inserting sheet (1201), and the right end of the left shell (11) is connected with the left end of the right shell (12) through the edge inserting structure.

3. A quick-fit cigarette machine filter as claimed in claim 1 or claim 2, wherein: the left end of left shell (11) and the right-hand member of right shell (12) are equipped with air-out screen panel (2) respectively, air-out screen panel (2) lid is located the outside of corresponding filter screen subassembly.

4. A quick-fit smoke machine filter as defined in claim 3, wherein: the inner side of the lower end of the air outlet net cover (2) is provided with a lower pin (204), the inner side of the upper end of the air outlet net cover (2) is connected with a net cover lock catch (21) in a sliding way, the upper end of the net cover lock catch (21) is provided with a lock catch pin (211), the lower part of the shell (1) is provided with a lower pin mounting hole (106), the upper part of the shell (1) is provided with a lock catch pin mounting hole (108), the lower pin (204) is inserted into the lower pin mounting hole (106), the lock pin (211) is inserted into the lock pin mounting hole (108), and the mesh enclosure lock (21) can slide downwards by external force to enable the lock pin (211) to be separated from the lock pin mounting hole (108).

5. The quick-fit cigarette machine filter of claim 4, wherein: the air-out net cover (2) is provided with an upper limit convex strip (202) and a travel limit convex strip (203), the net cover lock catch (21) is arranged between the upper limit convex strip (202) and the travel limit convex strip (203), the lower end of the net cover lock catch (21) is provided with a reset elastic arm (212), and the reset elastic arm (212) is in contact connection with the travel limit convex strip (203).

6. The quick-fit cigarette machine filter of claim 5, wherein: an operation groove (210) is formed in the mesh enclosure lock catch (21), an operation through hole (200) is formed in the upper portion of the air outlet mesh enclosure (2), and the operation through hole (200) is communicated with the operation groove (210).

7. The quick-fit cigarette machine filter of claim 6, wherein: an operation notch (107) is formed at the lower part of the shell (1), the operation notch (107) is positioned at the inner side of the air outlet net cover (2), and the operation notch (107) is positioned at the lower side of the filter screen assembly.

8. A quick-fit smoke machine filter as defined in claim 1, wherein: the lower end of the connector (101) is provided with a notch seam (1011), and the outer wall of the lower part of the connector (101) is provided with a blocking convex strip (1012) for blocking the laryngeal cuff (5) from being separated from the connector (101) downwards.

9. A quick-fit smoke machine filter as defined in claim 1, wherein: the shell (1) further comprises an upper cover (13), the upper cover (13) is adaptively clamped between the left shell (11) and the right shell (12), an inner flange (1004) is formed at the upper end of the shell (1), a supporting block (1003) and a vertical positioning convex rib (1005) are formed on the inner wall of the upper portion of the shell (1), a flange edge (1301) is formed on the upper cover (13), a lower lug (1302) is formed at the bottom of the upper cover (13), the flange edge (1301) is attached to the lower side of the inner flange (1004), the lower lug (1302) is attached to the upper side of the vertical positioning convex rib (1005), and the upper cover (13) is fixed on the supporting block (1003) through screws.

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