CN213995325U - Dust collector for mechanical production - Google Patents
Dust collector for mechanical production Download PDFInfo
- Publication number
- CN213995325U CN213995325U CN202022859073.XU CN202022859073U CN213995325U CN 213995325 U CN213995325 U CN 213995325U CN 202022859073 U CN202022859073 U CN 202022859073U CN 213995325 U CN213995325 U CN 213995325U
- Authority
- CN
- China
- Prior art keywords
- ring
- wall
- dust
- groove
- mechanical production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Cyclones (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a dust collector for mechanical production relates to mechanical production processing equipment technical field, this dust collector for mechanical production, including cyclone, cyclone's air outlet is linked together through pipeline and filter cartridge, one side fixedly connected with go-between that the filter cartridge inner wall is close to cyclone, first circular slot and thread groove have been seted up respectively to the surface of go-between, the inner wall of thread groove and the inner wall threaded connection of dome, the chute has been seted up to the side of dome inner wall. The utility model discloses a set up filter cartridge, interior dust pocket, outer dust pocket and sealing mechanism to among the solution prior art, present common mechanical production is cyclone for the dust removal when using, and the filterable dusty air current of process cyclone directly passes through the chimney and discharges, still contains the less metal dust of diameter in the air current, and is relatively poor to the filter effect of metal dust, pollutes the problem of surrounding environment after using for a long time easily.
Description
Technical Field
The utility model relates to a mechanical production processing equipment technical field specifically is a dust collector for mechanical production.
Background
In the workshop of polishing in mechanical production, often at the emery wheel position installation pipeline of polishing, install centrifugal fan on the pipeline, cyclone and chimney, centrifugal fan changes far away, the pipeline corresponds the emery wheel position of polishing and produces suction, the metal dust that produces when suction will polish inhales in the cyclone, cyclone utilizes the centrifugal force that rotatory air current produced to separate the metal dust from the air current, the metal dust falls into in cyclone's the dust collection tube, discharge from the air outlet at cyclone top through filterable air current, discharge to the surrounding environment in the chimney top after the pipeline, cyclone is dust collector for mechanical production promptly.
Among the prior art, at present common cyclone for dust removal for mechanical production is when using, the dusty air current gets into in the cyclone, cyclone utilizes the centrifugal force that rotatory air current produced to separate the metal dust from the air current, filter the dusty air current, directly discharge from the chimney top after cyclone's filtration, but cyclone only filters the metal dust through the centrifugal force that rotatory air current produced, still contain the less metal dust of diameter in the cyclone combustion gas current, the metal dust directly discharges through the chimney, relatively poor to the filter effect of metal dust, pollute the surrounding environment after long-time the use easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dust collector for mechanical production possesses the improvement to metal dust filtering capacity, effectively prevents the advantage of metal dust pollution surrounding environment to among the solution prior art, present common cyclone for mechanical production removes dust when using, and the dirt air current that contains through cyclone filtration is direct to be discharged through the chimney, still contains the less metal dust of diameter in the air current, and is relatively poor to the filter effect of metal dust, pollutes the problem of surrounding environment easily after using for a long time.
For the realization improves metal dust filtering capacity, effectively prevent metal dust pollution surrounding environment's purpose, the utility model provides a following technical scheme: a dust removal device for mechanical production comprises a cyclone dust collector, wherein an air outlet of the cyclone dust collector is communicated with a filter box through a pipeline, a connecting ring is fixedly connected to one side, close to the cyclone dust collector, of the inner wall of the filter box, a first circular groove and a threaded groove are formed in the surface of the connecting ring respectively, the inner wall of the threaded groove is in threaded connection with the inner wall of a circular cover, a chute is formed in the side surface of the inner wall of the circular cover, a second circular groove is formed in the side surface of the inner wall of the chute, the inner wall of the first circular groove is movably connected with the inner wall of a sleeve, the outer wall of the sleeve is movably connected with the inner wall of the chute, a fixing ring is fixedly sleeved on the surface of the sleeve, the surface of the fixing ring is movably connected with the inner wall of the second circular groove, the circular cover is movably sleeved on the surface of the sleeve, a sealing gasket is inlaid on the side surface of the inner wall of the threaded groove, and an annular groove is formed in the side surface of the circular cover, the inner wall of ring channel and the surperficial swing joint who fills up, the fixed surface of dome is connected with the handle, the sleeve pipe is close to solid fixed ring's one end fixedly connected with interior dust bag, the dome surface is close to solid fixed ring's one side fixedly connected with outer dust bag, interior dust bag is located the inside of outer dust bag, there is the lid at the top of filter box through hasp swing joint, the bottom of lid is provided with sealing mechanism.
As a preferred technical scheme of the utility model, the ring is gathered together to the inner wall fixedly connected with of filter cartridge, the inner wall of gathering together the ring is loudspeaker form.
As an optimized technical scheme of the utility model, first circular slot and chute all are the loudspeaker form, the shape of first circular slot and chute all with sheathed tube shape looks adaptation.
As an optimized technical scheme of the utility model, the side of sealed pad is the curved surface, the shape of ring channel and the shape looks adaptation of sealed pad.
As a preferred technical scheme of the utility model, sheathed tube inner wall fixedly connected with sealing ring, the sealing ring surface is close to one side of go-between and the side swing joint of go-between.
As a preferred technical scheme of the utility model, the sealing ring includes ring and rubber pad, the equal fixed connection of ring and rubber pad is at the sheathed tube inner wall, the opposite face fixed connection of ring and rubber pad, the rubber pad surface is close to one side of go-between and the side swing joint of go-between.
As a preferred technical scheme of the utility model, sealing mechanism includes recess, rubber circle and bulge loop, rubber circle fixed connection is at the top of filter cartridge, the bottom at the lid is seted up to the recess, the surface of rubber circle and the inner wall swing joint of recess, bulge loop fixed connection is at the top of recess inner wall, the bottom of bulge loop and the top swing joint of rubber circle.
As an optimal technical scheme of the utility model, the bottom of bulge loop is the curved surface, the shape looks adaptation of shape and bulge loop of rubber circle.
Compared with the prior art, the utility model provides a dust collector for mechanical production possesses following beneficial effect:
1. the dust removal device for mechanical production is provided with the filter box, the inner dust removal bag, the outer dust removal bag and the sealing mechanism, when in use, the filter box is arranged on a pipeline, the box cover is clamped on the filter box through the hasp, the rubber ring of the sealing mechanism is tightly attached to the inner wall of the groove, the leakage of dust-containing airflow from the connecting position of the box cover and the filter box is prevented, the dust-containing airflow filtered by the cyclone dust collector enters the filter box and is discharged from the top of a chimney after double filtration of the inner dust removal bag and the outer dust removal bag, the dust-containing airflow is triple filtered by the cyclone dust collector, the inner dust removal bag and the outer dust removal bag, the metal dust filtering capacity is improved, and the effect of effectively preventing metal dust from polluting the surrounding environment is achieved, so that the problem that in the prior art, when the common cyclone dust collector for mechanical production is used, the dust-containing airflow filtered by the cyclone dust collector is directly discharged through the chimney, the air flow still contains metal dust with smaller diameter, the filtering effect on the metal dust is poorer, and the air flow is easy to pollute the surrounding environment after being used for a long time.
2. The dust removal device for mechanical production is provided with the round cover and the sleeve, when the dust removal device is used, after the dust removal device is used for a period of time, the inner dust removal bag and the outer dust removal bag need to be cleaned, the box cover is opened, the handle is held after the box cover is opened to rotate the round cover, the round cover is separated from the connecting ring, the sleeve is taken down from the connecting ring, the outer dust removing bag and the inner dust removing bag can be taken out from the filter box for cleaning, after the cleaning is finished, the round cover is sleeved on the sleeve, the sleeve is sleeved on the connecting ring, the round cover is rotated reversely, the round cover is in threaded connection with the connecting ring to fix the round cover, the sleeve is attached to the inner wall of the first circular groove of the connecting ring when the inner wall of the second circular groove of the inner wall of the round cover extrudes the fixing ring to fix the sleeve, can fix interior dust pocket and outer dust pocket, again with the lid card on the rose box can, the easy dismounting of interior dust pocket and outer dust pocket to it is more convenient to make the clearance of interior dust pocket and outer dust pocket.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of the filter cassette of the present invention;
FIG. 3 is a left sectional view of the handle of the present invention;
fig. 4 is a left sectional view of the position of the fixing ring of the present invention.
In the figure: 1. a cyclone dust collector; 2. a filter cartridge; 3. a connecting ring; 4. a first circular groove; 5. a thread groove; 6. a dome; 7. a chute; 8. a second circular groove; 9. a sleeve; 10. a fixing ring; 11. a gasket; 12. an annular groove; 13. a handle; 14. an inner dust removal bag; 15. an outer dust removal bag; 16. a box cover; 17. a sealing mechanism; 1701. a groove; 1702. a rubber ring; 1703. a convex ring; 18. gathering rings; 19. a seal ring; 1901. a circular ring; 1902. and (7) a rubber pad.
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. 1-4, the utility model discloses a dust removing device for mechanical production, which comprises a cyclone dust collector 1, the air outlet of the cyclone dust collector 1 is communicated with a filter box 2 through a pipeline, one side of the inner wall of the filter box 2, which is close to the cyclone dust collector 1, is fixedly connected with a connecting ring 3, the connecting ring 3 is used for fixing a round cover 6, the surface of the connecting ring 3 is respectively provided with a first round groove 4 and a thread groove 5, the inner wall of the thread groove 5 is in threaded connection with the inner wall of the round cover 6, the side of the inner wall of the round cover 6 is provided with a chute 7, the chute 7 is arranged at the right side of the inner wall of the round cover 6, the side of the inner wall of the chute 7 is provided with a second round groove 8, the second round groove 8 is arranged at the right side of the inner wall of the chute 7, the inner wall of the first round groove 4 is movably connected with the inner wall of a sleeve 9, the outer wall of the sleeve 9 is movably connected with the chute 7, the surface of the sleeve 9 is fixedly sleeved with a fixing ring 10, the central axis of the fixed ring 10 coincides with the central axis of the sleeve 9, the surface of the fixed ring 10 is movably connected with the inner wall of the second circular groove 8, the circular cover 6 is movably sleeved on the surface of the sleeve 9, the side surface of the inner wall of the threaded groove 5 is inlaid with a sealing gasket 11, the sealing gasket 11 is inlaid on the left side of the inner wall of the threaded groove 5, the sealing gasket 11 seals the connecting position of the circular cover 6 and the connecting ring 3, the side surface of the circular cover 6 is provided with a circular groove 12, the circular groove 12 is arranged on the left side of the circular cover 6, the inner wall of the circular groove 12 is movably connected with the surface of the sealing gasket 11, the surface of the circular cover 6 is fixedly connected with a handle 13, one end of the sleeve 9 close to the fixed ring 10 is fixedly connected with an inner dust removing bag 14, the inner dust removing bag 14 and the outer dust removing bag 15 filter the airflow filtered by the cyclone dust remover 1 again, the filtering capability of metal dust is improved, one side of the surface of the circular cover 6 close to the fixed ring 10 is fixedly connected with an outer dust removing bag 15, the inner dust removing bag 14 is located inside the outer dust removing bag 15, the top of the filter box 2 is movably connected with a box cover 16 through a hasp lock, a sealing mechanism 17 is arranged at the bottom of the box cover 16, and the connecting position of the box cover 16 and the filter box 2 is sealed through the sealing mechanism 17.
Specifically, the inner wall of the filter box 2 is fixedly connected with a gathering ring 18, and the inner wall of the gathering ring 18 is trumpet-shaped.
In this embodiment, the air current is discharged to filter cartridge 2 from outer dust bag 15 position, and the air current gathers together to filter cartridge 2 right side pipeline position automatically under the effect of gathering together 18 loudspeaker form inner walls of ring, prevents that the air current from gathering together 18 positions of ring and piling up.
Specifically, the first circular groove 4 and the inclined groove 7 are both trumpet-shaped, and the shapes of the first circular groove 4 and the inclined groove 7 are both matched with the shape of the sleeve 9.
In this embodiment, the contact area between the sleeve 9 and the first circular groove 4 and the inclined groove 7 is increased, so that the sleeve 9 is fixed more firmly and stably.
Specifically, the side surface of the gasket 11 is a curved surface, and the shape of the annular groove 12 is matched with the shape of the gasket 11.
In this embodiment, the contact area between the seal gasket 11 and the inner wall of the annular groove 12 is increased, and the sealing ability of the seal gasket 11 is improved.
Specifically, a sealing ring 19 is fixedly connected to the inner wall of the sleeve 9, and one side of the surface of the sealing ring 19, which is close to the connecting ring 3, is movably connected with the side surface of the connecting ring 3.
In this embodiment, the sealing ring 19 is tightly attached to the connection ring 3 to seal the connection position between the sleeve 9 and the connection ring 3.
Specifically, the sealing ring 19 includes a ring 1901 and a rubber pad 1902, both the ring 1901 and the rubber pad 1902 are fixedly connected to the inner wall of the sleeve 9, the ring 1901 is fixedly connected to the opposite surface of the rubber pad 1902, and the side of the surface of the rubber pad 1902 close to the connection ring 3 is movably connected to the side of the connection ring 3.
In this embodiment, after the sleeve 9 is fixed, the rubber pad 1902 of the sealing ring 19 is tightly attached to the connection ring 3, and the connection position between the sleeve 9 and the connection ring 3 is sealed.
Specifically, the sealing mechanism 17 comprises a groove 1701, a rubber ring 1702 and a convex ring 1703, wherein the rubber ring 1702 is fixedly connected to the top of the filter box 2, the groove 1701 is arranged at the bottom of the box cover 16, the surface of the rubber ring 1702 is movably connected with the inner wall of the groove 1701, the convex ring 1703 is fixedly connected to the top of the inner wall of the groove 1701, and the bottom of the convex ring 1703 is movably connected with the top of the rubber ring 1702.
In this embodiment, when the box cover 16 is locked at the top of the filter box 2 by a hasp lock, the inner wall of the rubber ring 1702 and the inner wall of the groove 1701 are tightly attached, and the convex ring 1703 and the rubber ring 1702 are tightly attached to seal the connection position of the box cover 16 and the filter box 2.
Specifically, the bottom of the protruding ring 1703 is a curved surface, and the shape of the rubber ring 1702 is matched with the shape of the protruding ring 1703.
In this embodiment, the contact area between the protruding ring 1703 and the rubber ring 1702 is increased, and the sealing capability of the rubber ring 1702 is improved.
The utility model discloses a theory of operation and use flow: when the dust-collecting box is used, the filter box 2 is installed on a pipeline, the box cover 16 is clamped on the filter box 2 through the hasp lock, the rubber ring 1702 of the sealing mechanism 17 is tightly attached to the inner wall of the groove 1701, the convex ring 1703 is tightly attached to the top of the rubber ring 1702 to prevent dust-containing airflow from leaking from the connecting position of the box cover 16 and the filter box 2, the dust-containing airflow filtered by the cyclone dust collector 1 enters the filter box 2 and is discharged from the top of a chimney after double filtration of the inner dust-collecting bag 14 and the outer dust-collecting bag 15, the dust-containing airflow is triple filtered by the cyclone dust collector 1, the inner dust-collecting bag 14 and the outer dust-collecting bag 15 to improve the filtering capacity of metal dust, the metal dust is effectively prevented from polluting the surrounding environment, the inner dust-collecting bag 14 and the outer dust-collecting bag 15 need to be cleaned after being used for a period of time, the hasp lock of the box cover 16 is opened, the box cover 16 is taken, separating the round cover 6 from the connecting ring 3 and the sleeve 9, taking the round cover 6 out of the filter box 2, taking the sleeve 9 off the connecting ring 3, taking the outer dust removing bag 15 and the inner dust removing bag 14 out of the filter box 2 for cleaning, after cleaning, sleeving the round cover 6 on the sleeve 9, sleeving the sleeve 9 on the connecting ring 3, fitting the inner wall of the sleeve 9 with the inner wall of the first circular groove 4, fitting the outer wall of the sleeve 9 with the inner wall of the chute 7 in the round cover 6, reversely rotating the round cover 6, connecting the round cover 6 with the connecting ring 3 by screw threads, reversely rotating the round cover 6 and moving left, extruding the right side of the fixing ring 10 on the inner wall of the second circular groove 8, enabling the fixing ring 10 to drive the sleeve 9 to be fitted with the inner wall of the first circular groove 4 of the connecting ring 3, fixing the sleeve 9, fixing the inner dust removing bag 14 and the outer dust removing bag 15, and clamping the box cover 16 on the filter box 2, interior dust bag 14 and outer dust bag 15's easy dismounting to it is more convenient to make the clearance of interior dust bag 14 and outer dust bag 15, and the back is fixed to the dome 6, and sealed 11 closely laminates with ring channel 12 inner wall, seals up dome 6 and go-between 3 hookup location, and the rubber pad 1902 and the go-between 3 of sealing ring 19 closely laminate, seal up sleeve pipe 9 and go-between 3 hookup location.
To sum up, this dust collector for mechanical production through setting up filter cartridge 2, interior dust pocket 14, outer dust pocket 15 and sealing mechanism 17 to solve among the prior art, present common cyclone 1 for mechanical production is removing dust when using, and the dusty air current that filters through cyclone 1 directly passes through the chimney and discharges, still contains the less metal dust of diameter in the air current, and is relatively poor to the filter effect of metal dust, pollutes the problem of surrounding environment easily after long-time the use.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (8)
1. The utility model provides a dust collector for mechanical production, includes cyclone (1), its characterized in that: the air outlet of the cyclone dust collector (1) is communicated with the filter box (2) through a pipeline, one side of the inner wall of the filter box (2) close to the cyclone dust collector (1) is fixedly connected with a connecting ring (3), the surface of the connecting ring (3) is respectively provided with a first circular groove (4) and a threaded groove (5), the inner wall of the threaded groove (5) is in threaded connection with the inner wall of a circular cover (6), the side surface of the inner wall of the circular cover (6) is provided with a chute (7), the side surface of the inner wall of the chute (7) is provided with a second circular groove (8), the inner wall of the first circular groove (4) is movably connected with the inner wall of a sleeve (9), the outer wall of the sleeve (9) is movably connected with the inner wall of the chute (7), the surface of the sleeve (9) is fixedly sleeved with a fixing ring (10), and the surface of the fixing ring (10) is movably connected with the inner wall of the second circular groove (8), the utility model discloses a dust removal bag dust removal bag dust removal bag dust removal bag dust removal bag dust removal bag dust removal bag is used for the top of dust removal is used for the top is connected to be used for the top of dust removal is connected to be used for the top, the bottom of dust removal is provided with cover (16), the bottom of (16) is provided with seal mechanism 17.
2. The dust removing device for mechanical production according to claim 1, wherein: the inner wall of the filter box (2) is fixedly connected with a gathering ring (18), and the inner wall of the gathering ring (18) is trumpet-shaped.
3. The dust removing device for mechanical production according to claim 1, wherein: the first circular groove (4) and the inclined groove (7) are both trumpet-shaped, and the shapes of the first circular groove (4) and the inclined groove (7) are both matched with the shape of the sleeve (9).
4. The dust removing device for mechanical production according to claim 1, wherein: the side surface of the sealing gasket (11) is a curved surface, and the shape of the annular groove (12) is matched with that of the sealing gasket (11).
5. The dust removing device for mechanical production according to claim 1, wherein: the inner wall of the sleeve (9) is fixedly connected with a sealing ring (19), and one side of the surface of the sealing ring (19), which is close to the connecting ring (3), is movably connected with the side surface of the connecting ring (3).
6. The dust removing device for mechanical production according to claim 5, wherein: sealing ring (19) includes ring (1901) and rubber pad (1902), the equal fixed connection of ring (1901) and rubber pad (1902) is at the inner wall of sleeve pipe (9), the opposite face fixed connection of ring (1901) and rubber pad (1902), one side that rubber pad (1902) surface is close to go-between (3) and the side swing joint of go-between (3).
7. The dust removing device for mechanical production according to claim 1, wherein: the sealing mechanism (17) comprises a groove (1701), a rubber ring (1702) and a convex ring (1703), the rubber ring (1702) is fixedly connected to the top of the filter box (2), the groove (1701) is formed in the bottom of the box cover (16), the surface of the rubber ring (1702) is movably connected with the inner wall of the groove (1701), the convex ring (1703) is fixedly connected to the top of the inner wall of the groove (1701), and the bottom of the convex ring (1703) is movably connected with the top of the rubber ring (1702).
8. The dust removing device for mechanical production according to claim 7, wherein: the bottom of the convex ring (1703) is a curved surface, and the shape of the rubber ring (1702) is matched with that of the convex ring (1703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022859073.XU CN213995325U (en) | 2020-12-02 | 2020-12-02 | Dust collector for mechanical production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022859073.XU CN213995325U (en) | 2020-12-02 | 2020-12-02 | Dust collector for mechanical production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213995325U true CN213995325U (en) | 2021-08-20 |
Family
ID=77308529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022859073.XU Active CN213995325U (en) | 2020-12-02 | 2020-12-02 | Dust collector for mechanical production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213995325U (en) |
-
2020
- 2020-12-02 CN CN202022859073.XU patent/CN213995325U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100515304C (en) | Cleaner with rotatable dust suction head | |
| US20210235948A1 (en) | Vacuum bag with inlet gasket and closure seal | |
| CN213995325U (en) | Dust collector for mechanical production | |
| CN211799153U (en) | Multifunctional water purifying device | |
| CN216320635U (en) | Desulfurization and denitrification high-temperature gas dust remover with good dust removal effect | |
| CN214631953U (en) | Dust cup structure of dust collector | |
| CN213995192U (en) | Burr and scrap dust removing device for valve rod of hydraulic reversing valve | |
| CN211676841U (en) | Dust-raising prevention device for replacing filter cylinder | |
| CN210195913U (en) | Fuel filter and filter element thereof | |
| CN202128403U (en) | Dust cup used for dust collector | |
| CN201067379Y (en) | Vacuum cleaner with rotatable dust suction nozzle | |
| CN110975450A (en) | Production workshop is with environmental protection type welding fume purifier | |
| CN214233261U (en) | Power boiler dust collector | |
| CN110917766A (en) | Dust-raising prevention device for replacing filter cylinder and using method | |
| CN208426776U (en) | A kind of gas bag back-blowing device | |
| JPH1076112A (en) | Liquid purifier | |
| CN216295570U (en) | Air filtering device capable of automatically cleaning for air separation and rectification | |
| CN214551875U (en) | Air filter ware convenient to installation | |
| CN210612022U (en) | A filter dirt cup for removing mite appearance | |
| CN213673502U (en) | Chip suction device for hard alloy circular saw blade polishing machine | |
| CN216259710U (en) | Air filter of vertical installation | |
| CN212236376U (en) | Automatic ash removing mechanism of industrial dust collector | |
| CN209761583U (en) | Automobile filter | |
| CN214771146U (en) | Bent axle equipment of polishing with dustproof function of amortization | |
| CN216778353U (en) | High-efficient dust smog processing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |