CN114588702B - Breathing filter device convenient to tighten and easy to replace - Google Patents
Breathing filter device convenient to tighten and easy to replace Download PDFInfo
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- CN114588702B CN114588702B CN202210272374.3A CN202210272374A CN114588702B CN 114588702 B CN114588702 B CN 114588702B CN 202210272374 A CN202210272374 A CN 202210272374A CN 114588702 B CN114588702 B CN 114588702B
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- ring
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- bag
- tie
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
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- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the field of wet mixing granulators, in particular to a breathing filter device which is convenient to tighten and easy to replace, and aims at the problems that the traditional sealing effect is poor, after a clamp is locked, the filter bag folds leak, and materials in a pot leak into air when the wet mixing granulators are subjected to negative pressure pumping and feeding.
Description
Technical Field
The invention relates to the technical field of wet mixing granulators, in particular to a breathing filter device which is convenient to tighten and easy to replace.
Background
The wet mixing granulator is special equipment for mixing materials and injecting adhesive for wet granulation in the production of solid preparations in the pharmaceutical industry, and is also suitable for mixing and granulating powdery materials in food and chemical industry. When the wet mixing granulator is charged, the materials are pumped into the pot body of the wet mixing granulator in a vacuumizing mode, and a filtering device is an indispensable key in the vacuumizing process and is used for intercepting powder from being pumped to the outside and being wasted.
The filtering device generally comprises a cylinder body and a filtering bag, wherein the cylinder body is arranged on an exhaust tube of a pan body of the wet mixing granulator through a clamp, a vacuum port is formed in the upper portion of the cylinder body, an upper binding ring and a lower binding ring are arranged in the cylinder body, the upper end of the filtering bag is connected with the upper binding ring, the lower binding ring is a single-layer disc, the edge part of the lower binding ring is clamped between the cylinder body and the exhaust tube, an opening for the filtering bag to pass through is formed in the lower binding ring, the filtering bag passes through the opening and wraps the disc and is turned up, finally the filtering bag is tightly bound by a rope, a fold is generated after the rope is bound, the sealing effect of the structure is poor, after the clamp is locked, leakage exists at the fold position of the filtering bag, so that materials in the pan leak into the air when the wet mixing granulator is in a negative pressure pumping and feeding mode, and the clamp is convenient to tightly and easy to replace.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the traditional sealing effect of a wet mixing granulator is poor, after a clamp is locked, filter bag folds are leaked, and materials in a pot leak into air when the wet mixing granulator is used for negative pressure pumping and feeding, and provides a breathing filter device which is convenient to clamp and easy to replace.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a conveniently tie up and breathing filter equipment of easy replacement for install on the exhaust tube of wet process mixer granulator pot body, including barrel and filter bag, the barrel lower extreme all with the exhaust tube upper end is connected through two first clamps, and the vacuum mouth has been seted up on barrel upper portion, is equipped with and ties down the circle in the barrel, and it sets up and ties down the circle top to tie up the circle, tie down the ring edge clamp and fix between barrel and exhaust tube, the upper end of filter bag is connected with last tie, and the lower extreme of filter bag is connected with tie down the circle, the outside of granulator pot body is provided with the mechanism of tie up.
As a still further scheme of the invention, the tightening mechanism comprises a fixing piece, a locking ring, an empty slot, two sliding grooves, a second spring, a locking slot, a top block, a plurality of limiting blocks, two bases, two screws, two nuts and a plurality of limiting slots, wherein the fixing piece is fixedly connected to the side end of a pan body of the granulator, the empty slot is cut at the side end of the fixing piece, the two sliding grooves are cut at the inner wall of the empty slot, the top block is slidably connected to the inner wall of the two sliding grooves, one end of the second spring is fixedly connected to the inner wall of the empty slot, the other end of the second spring is fixedly connected with the top block, the locking ring is arranged on one side of the fixing piece, the locking slot is cut at the close ends of the fixing piece and the locking ring, the limiting blocks are respectively fixedly connected to the inner walls of the top block and the locking slot, the limiting slots are respectively cut on the surfaces of the two first clamping rings, the limiting slots are matched with the limiting blocks, the two bases are respectively fixedly connected to the two side ends of the fixing piece, the two bases are respectively connected to the two surfaces of the two screws respectively, and the two screws are respectively connected to the surfaces of the two screws.
As a still further scheme of the invention, the lower binding ring comprises an upper disc and a lower disc, a circular ring is arranged between the upper disc and the lower disc, an upper hole and a lower hole for a filter bag to pass through are respectively arranged on the upper disc and the lower disc, the edge of the upper disc is clamped between the cylinder body and the exhaust tube, the lower part of the filter bag sequentially passes through the upper hole and the lower hole and wraps the lower disc, and then the lower disc is turned up to form a turned-up part, and the turned-up part is locked on the periphery of the circular ring through a locking piece.
As a still further proposal of the invention, the locking piece is a hose clamp, the edge of the flanging part is provided with a limiting flanging which is turned outwards, and the limiting flanging is connected with the flanging part through a silk thread.
As a still further proposal of the invention, the U-shaped sealing ring is wrapped at the edge part of the upper disc, the upper end of the exhaust pipe is provided with a positioning groove, the edge of the upper disc is embedded in the positioning groove, the depth of the positioning groove is smaller than the thickness of the upper disc, and the outer diameter of the upper disc and the outer diameter of the lower disc are both larger than the outer diameter of the circular ring.
As a still further scheme of the invention, the cylinder comprises a cylinder part and an upper cover part, the upper end of the cylinder part and the lower end of the upper cover part are connected together through a second clamp, a sealing gasket is further clamped between the upper end of the cylinder part and the lower end of the upper cover part, two positioning convex ribs are symmetrically arranged at two ends of the sealing gasket, and an annular groove matched with the positioning convex ribs is respectively arranged at the upper end face of the cylinder part and the lower end face of the upper cover part.
As still further scheme of the invention, the middle part of the lower binding ring is provided with a guide rod extending towards the upper binding ring direction, the top of the cylinder body is provided with a bag shaking pipe in a penetrating way, the outer end of the bag shaking pipe is connected with a handle in a threaded way, the inner end of the bag shaking pipe is connected with the upper binding ring, the part of the bag shaking pipe positioned in the cylinder body is sleeved on the periphery of the guide rod, the middle part of the guide rod is provided with a limiting ring extending towards the periphery, the part of the periphery of the guide rod positioned above the limiting ring is sleeved with a first spring, the upper end of the first spring is propped against the inner end face of the bag shaking pipe, and the lower end of the first spring is propped against the upper end face of the limiting ring.
As a still further proposal of the invention, the upper binding ring is provided with a connecting flange extending towards the direction of the filter bag, the connecting flange is provided with a connecting hole, one end of the filter bag close to the upper binding ring is provided with a lacing, the lacing passes through the connecting hole and is bound on the connecting flange, and the side part of the cylinder body is provided with a pressure detection port.
Compared with the prior art, the invention has the beneficial effects that:
1. through the setting of binding down the ring for double-deck disc structure, the lower part of filter bag passes the upper hole of last disc and the lower hole of lower disc in proper order and wraps up the turn-ups and form turn-ups portion down after the disc, and this turn-ups portion passes through the retaining member locking in the ring periphery, realizes the fixed of filter bag lower extreme, need not to press from both sides the track between pipe and the barrel of taking place to pump, has avoided filter bag fixed part to take place the fold to influence the leakproofness between pipe and the barrel of taking place to pump to prevent that the material from leaking in the air from the clearance between the pot body of granulator and filter equipment's the barrel.
2. After the surface of the exhaust tube is clamped by the two first hoops, the ejector block is pushed to the first hoops along the two sliding grooves by the thrust of the second spring, the other first hoop is pushed to the direction of the fixing piece by wrapping the locking ring at the moment, after the locking ring is closed with the fixing piece, the locking ring and the fixing piece penetrate through the locking positions reserved at the side ends of the locking ring and the fixing piece by the two screws, and then the two nuts are sleeved on the surfaces of the two screws in a threaded mode, so that the two first hoops are tightly hooped on the surface of the exhaust tube.
3. Through the pressure detection mouth that sets up to the internal pressure of real-time supervision pot, the operating personnel of being convenient for makes corresponding operation.
According to the invention, the tightening mechanism is convenient for detachment of the pan body of the granulator, the arrangement is convenient for disassembly, parts are easy to replace, the effect of convenient installation and alignment is achieved, leakage at the filter bag folds is prevented, and therefore the problem that materials in the pan leak into the air when the wet mixing granulator is subjected to negative pressure pumping and feeding is solved.
Drawings
FIG. 1 is a schematic illustration of a respiratory filter device with easy tightening and replacement according to the present invention;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 of a respiratory filter device with easy tightening and replacement according to the present invention;
FIG. 3 is a schematic view of a tightening mechanism of a respiratory filter device according to the present invention that is easy to tighten and replace;
fig. 4 is an exploded view of a tightening mechanism of a respiratory filter device according to the present invention that is easy to tighten and replace.
In the figure: 1. a pot body; 2. an exhaust pipe; 3. a cylinder; 4. a filter bag; 5. a first clip; 6. binding a ring; 7. a lower binding ring; 8. an upper disc; 9. a lower disc; 10. a circular ring; 11. an upper hole; 12. a lower hole; 13. a burring part; 14. a locking member; 15. limit flanging; 16. a U-shaped sealing ring; 17. a positioning groove; 18. a cylindrical portion; 19. an upper cover part; 20. a second clip; 21. a sealing gasket; 22. positioning the convex ribs; 23. an annular groove; 24. a guide rod; 25. a bag shaking tube; 26. a handle; 27. a limiting ring; 28. a first spring; 29. a connecting flange; 30. a connection hole; 31. a lacing; 32. a pressure detection port; 33. a vacuum port; 34. a locking ring; 35. a hollow groove; 36. a chute; 37. a second spring; 38. a locking groove; 39. a fixing member; 40. a top block; 41. a limiting block; 42. a base; 43. a screw; 44. a nut; 45. and a limit groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-4, a breathing filter device which is convenient to tighten and easy to replace is used for being installed on an exhaust tube 2 of a pan body 1 of a wet mixing granulator, and comprises a cylinder body 3 and a filter bag 4, wherein the lower end of the cylinder body 3 is connected with the upper end of the exhaust tube 2 through two first hoops 5, a vacuum port 33 is arranged at the upper part of the cylinder body 3, an upper binding ring 6 and a lower binding ring 7 are arranged in the cylinder body 3, the upper binding ring 6 is arranged above the lower binding ring 7, the edge of the lower binding ring 7 is clamped between the cylinder body 3 and the exhaust tube 2, the upper end of the filter bag 4 is connected with the upper binding ring 6, the lower end of the filter bag 4 is connected with the lower binding ring 7, a tightening mechanism is arranged at the outer side of the pan body 1 of the granulator, a flanging part 13 is locked on the periphery of a circular ring 10 through a locking piece 14, realize the fixed of filter bag 4 lower extreme, need not to press from both sides the track between taking out pipe and barrel 3, avoided filter bag 4 fixed part to take place the fold to take out the leakproofness between pipe and the barrel 3 to in preventing that the material from leaking the air from the clearance between the pot body 1 of granulator and the barrel 3 of filter equipment, the separation of the convenient granulator pot body 1 of tightening mechanism, and set up convenient dismantlement, and spare part is easy to change, accomplished the effect that can conveniently install counterpoint, prevent that filter bag 4 fold department from having the leakage, thereby the problem that the material leaks in the air in the pot when leading to wet mixing granulator negative pressure material loading takes out.
Example two
Referring to fig. 1-4, the present invention provides a new technical solution: a breathing filter device convenient to tighten and easy to replace is used for being installed on an exhaust tube 2 of a pan body 1 of a wet mixing granulator, and comprises a cylinder body 3 and a filter bag 4, wherein the lower end of the cylinder body 3 is connected with the upper end of the exhaust tube 2 through two first hoops 5, a vacuum port 33 is formed in the upper part of the cylinder body 3, an upper binding ring 6 and a lower binding ring 7 are arranged in the cylinder body 3, the upper binding ring 6 is arranged above the lower binding ring 7, the edge of the lower binding ring 7 is clamped between the cylinder body 3 and the exhaust tube 2, the upper end of the filter bag 4 is connected with the upper binding ring 6, the lower end of the filter bag 4 is connected with the lower binding ring 7, a tightening mechanism is arranged on the outer side of the pan body 1 of the granulator, a flanging part 13 is locked on the periphery of a circular ring 10 through locking parts 14, the lower end of the filter bag 4 is fixed without clamping a crawler between the pumping tube and the cylinder body 3, the influence of the filter bag 4 on tightness between the pumping tube and the cylinder body 3 caused by folds at the fixed parts of the filter bag 4 is avoided, thereby preventing materials from leaking into the air from the gap between the pan body 1 of the granulator and the cylinder body 3 of the filtering device, the tightening mechanism is convenient for the detachment of the pan body 1 of the granulator, is arranged and convenient to detach, parts are easy to replace, the effect of convenient installation and alignment is achieved, leakage of the filter bag 4 folds is prevented, the problem that materials in the pan leak into the air when the wet mixing granulator pumps negative pressure and feeds is caused, the tightening mechanism comprises a fixing piece 39, a locking ring 34, an empty groove 35, two sliding grooves 36, a second spring 37, a locking groove 38, a jacking block 40, a plurality of limiting blocks 41, two bases 42, two screws 43, two nuts 44 and a plurality of limiting grooves 45, the fixing piece 39 is fixedly connected to the side end of the pan body 1 of the granulator, the empty groove 35 is cut at the side end of the fixing piece 39, the two sliding grooves 36 are cut at the inner wall of the empty groove 35, the ejector block 40 is slidably connected to the inner walls of the two sliding grooves 36, one end of the second spring 37 is fixedly connected to the inner wall of the hollow groove 35, the other end of the second spring 37 is fixedly connected with the ejector block 40, the locking ring 34 is arranged on one side of the fixing piece 39, the locking groove 38 is cut in the mutually close ends of the fixing piece 39 and the locking ring 34, the limiting blocks 41 are respectively fixedly connected to the inner walls of the ejector block 40 and the locking groove 38, the limiting grooves 45 are respectively cut in the surfaces of the two first clamping bands 5, the limiting grooves 45 are matched with the limiting blocks 41, the two bases 42 are respectively fixedly connected to the two side ends of the fixing piece 39, the two screws 43 are respectively connected to the surfaces of the two bases 42 in a rotating mode, the two nuts 44 are respectively connected to the surfaces of the two screws 43 in a threaded mode, the two first clamping bands 5 are clamped on the surface of the exhaust pipe 2, the ejector block 40 pushes the other first clamping band 5 towards the direction through the two sliding grooves 36, and then the locking ring 34 is pushed towards the fixing piece 39 through the pushing force of the second spring 37, and when the locking ring 34 and the fixing piece 39 are closed, the two clamping bands 43 penetrate through the two clamping bands 43 and the two clamping bands 45 on the two surfaces of the two clamping bands 4, and the two clamping bands 45 are arranged on the two surfaces of the two clamping bands 4, and the two clamping bands are convenient to detach due to the fact that the clamping rings are matched with the two clamping rings are arranged on the surfaces of the two clamping bands 4 and the surfaces of the clamping rings and the two clamping rings are convenient to be convenient to detach. The hose clamp is convenient and firm in locking operation, the surface of the locked part of the filter bag 4 is smoother, the filtering effect is improved, the edge of the flanging part 13 is provided with the outwards folded limit flanging 15, and the limit flanging 15 is connected with the flanging part 13 through a silk thread. The limit flanging 15 can be propped against the locking piece 14 to play a role in preventing falling, so that the locking effect of the lower end of the filter bag 4 is improved, and the U-shaped sealing ring 16 is wrapped at the edge part of the upper disc 8, and the section of the U-shaped sealing ring is U-shaped. The design can promote the leakproofness between upper disc 8 upper end and the barrel 3 lower extreme and between upper disc 8 lower extreme and the exhaust tube 2 upper end, avoids the material to leak outside from the clearance between upper disc 8 upper end and barrel 3 lower extreme and between upper disc 8 lower extreme and the exhaust tube 2 upper end, and the exhaust tube 2 upper end is equipped with constant head tank 17, and the edge of upper disc 8 inlays and establishes in constant head tank 17 to the degree of depth of constant head tank 17 is less than the thickness of upper disc 8. The design can position the upper disc 8 of the lower binding ring 7, is convenient for the installation of the lower binding ring 7, and the outer diameter of the upper disc 8 and the outer diameter of the lower disc 9 are both larger than the outer diameter of the circular ring 10, namely, the upper disc 8 and the lower disc 9 form a flange extending towards the periphery relative to the circular ring 10. This design can play the spacing effect of axial to retaining member 14, promote retaining member 14 to the fixed effect of filter bag 4 lower extreme, barrel 3 includes drum portion 18 and upper cover portion 19, drum portion 18 upper end and upper cover portion 19 lower extreme are in the same place through second clamp 20 connection, drum portion 18 upper end and upper cover portion 19 lower extreme all have one and wait the locking flange of looks periphery extension promptly, still press from both sides between the upper end of drum portion 18 and the lower extreme of upper cover portion 19 and be equipped with sealed pad 21, sealed pad 21's both ends symmetry is equipped with two location protruding muscle 22, drum portion 18's up end and upper cover portion 19's lower terminal surface are equipped with an annular groove 23 that agrees with location protruding muscle 22 respectively. The split design of barrel 3 is convenient for the installation operation of barrel 3 inside part filter bag 4, go up tie 6 and lower tie 7, the lower tie 7 middle part is equipped with the guide arm 24 that extends towards last tie 6 direction, guide arm 24 lower extreme and lower tie 7's last disc 8 are welded mutually, the top of barrel 3 is run through and is provided with tremble bag pipe 25, tremble the outer end threaded connection of bag pipe 25 has handle 26, tremble the inner and last tie 6 of bag pipe 25 and be connected the welding, and tremble the position cover that bag pipe 25 is located barrel 3 inside and establish in guide arm 24 periphery, the guide arm 24 middle part is equipped with the spacing ring 27 of outside circumference extension, the position cover that the guide arm 24 periphery is located spacing ring 27 top is equipped with first spring 28, the upper end of first spring 28 supports on tremble the inner end face of bag pipe 25, the lower extreme of first spring 28 supports on the up end of spacing ring 27. When more materials are attached to the upper surface of the filter cloth bag to influence the filtering effect, the bag shaking tube 25 is pressed to shake off the attached materials, the upper binding ring 6 is provided with a connecting flange 29 extending towards the direction of the filter bag 4, the connecting flange 29 is provided with a connecting hole 30, one end of the filter bag 4, which is close to the upper binding ring 6, is provided with a lacing 31, and the lacing 31 penetrates through the connecting hole 30 and is bound on the connecting flange 29. The design can effectively fix the upper end of the filter bag 4, and the operation is very convenient, and the side part of the cylinder body 3 is provided with a pressure detection port 32. The pressure gauge is arranged on the detection port to monitor the pressure in the pot body 1 in real time, so that the operation personnel can conveniently make corresponding operation.
Working principle: after the two first clamps 5 are clamped on the surface of the exhaust pipe 2, the ejector block 40 pushes the first clamps 5 along the two sliding grooves 36 through the thrust of the second spring 37, at the moment, the locking ring 34 wraps the other first clamp 5 to push the other first clamp 5 towards the fixing piece 39, when the locking ring 34 and the fixing piece 39 are closed, the two screw rods 43 penetrate through the locking positions reserved at the side ends of the locking ring 34 and the fixing piece 39, and the two nuts 44 are sleeved on the surfaces of the two screw rods 43 in a threaded manner, so that the two first clamps 5 are tightly clamped on the surface of the exhaust pipe 2, and the limiting grooves 45 cut on the surfaces of the two first clamps 5 are matched with the limiting blocks 41, so that the installation and alignment effects are achieved conveniently.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a conveniently tie up and breathing filter equipment of easy replacement for install on exhaust tube (2) of wet mixing granulator pot body (1), including barrel (3) and filter bag (4), barrel (3) lower extreme all is connected with exhaust tube (2) upper end through two first clamps (5), vacuum mouth (33) have been seted up on barrel (3) upper portion, are equipped with in barrel (3) and tie up circle (6) and lower tie up circle (7), go up and tie up circle (6) and set up in lower tie up circle (7) top, lower tie up circle (7) edge clamp is fixed between barrel (3) and exhaust tube (2), the upper end of filter bag (4) is connected with last tie up circle (6), the lower extreme of filter bag (4) is connected with lower tie up circle (7), its characterized in that, the outside of granulator pot body (1) is provided with the banding mechanism;
the tightening mechanism comprises a fixing piece (39), a locking ring (34), an empty slot (35), two sliding grooves (36), a second spring (37), locking grooves (38), a top block (40), a plurality of limiting blocks (41), two bases (42), two screws (43), two nuts (44) and a plurality of limiting grooves (45), wherein the fixing piece (39) is fixedly connected to the side end of a pan body (1) of the granulator, the empty slot (35) is cut at the side end of the fixing piece (39), the two sliding grooves (36) are cut at the inner wall of the empty slot (35), the top block (40) is slidably connected to the inner wall of the two sliding grooves (36), one end of the second spring (37) is fixedly connected to the inner wall of the empty slot (35), the other end of the second spring is fixedly connected with the top block (40), the locking ring (34) is arranged on one side of the fixing piece (39), the locking grooves (38) are cut at the adjacent ends of the fixing piece (39) and the locking ring (34), the plurality of limiting blocks (41) are respectively connected to the inner walls of the limiting blocks (45) which are matched with the plurality of limiting grooves (45), the two bases (42) are respectively and fixedly connected to two side ends of the fixing piece (39), the two screws (43) are respectively and rotatably connected to the surfaces of the two bases (42), and the two nuts (44) are respectively and threadedly connected to the surfaces of the two screws (43);
the lower binding ring (7) comprises an upper disc (8) and a lower disc (9), a circular ring (10) is arranged between the upper disc (8) and the lower disc (9), an upper hole (11) and a lower hole (12) for a filter bag (4) to pass through are respectively arranged on the upper disc (8) and the lower disc (9), the edge of the upper disc (8) is clamped between the cylinder (3) and the exhaust tube (2), the lower part of the filter bag (4) sequentially passes through the upper hole (11) and the lower hole (12) and wraps the lower disc (9) to be upwards turned up to form a turned-up part (13), and the turned-up part (13) is locked on the periphery of the circular ring (10) through a locking piece (14);
the locking piece (14) is a hose clamp, a limiting flanging (15) which is turned outwards is arranged at the edge of the flanging part (13), and the limiting flanging (15) is connected with the flanging part (13) through a silk thread.
2. The breathing filter device convenient to tighten and easy to replace according to claim 1, wherein the U-shaped sealing ring (16) is wrapped at the edge part of the upper disc (8), a positioning groove (17) is arranged at the upper end of the exhaust tube (2), the edge of the upper disc (8) is embedded in the positioning groove (17), the depth of the positioning groove (17) is smaller than the thickness of the upper disc (8), and the outer diameter of the upper disc (8) and the outer diameter of the lower disc (9) are both larger than the outer diameter of the circular ring (10).
3. The breathing filtering device convenient to tighten and easy to replace according to claim 2, wherein the cylinder body (3) comprises a cylinder part (18) and an upper cover part (19), the upper end of the cylinder part (18) and the lower end of the upper cover part (19) are connected together through a second clamp (20), a sealing gasket (21) is further clamped between the upper end of the cylinder part (18) and the lower end of the upper cover part (19), two positioning ribs (22) are symmetrically arranged at two ends of the sealing gasket (21), and an annular groove (23) which is matched with the positioning ribs (22) is respectively arranged at the upper end face of the cylinder part (18) and the lower end face of the upper cover part (19).
4. The breathing filtering device convenient to tighten and easy to replace according to claim 3, characterized in that a guide rod (24) extending towards the upper binding ring (6) is arranged in the middle of the lower binding ring (7), a bag shaking tube (25) is arranged at the top of the cylinder body (3) in a penetrating mode, a lifting handle (26) is connected to the outer end of the bag shaking tube (25) in a threaded mode, the inner end of the bag shaking tube (25) is connected with the upper binding ring (6), the part of the bag shaking tube (25) located inside the cylinder body (3) is sleeved on the periphery of the guide rod (24), a limiting ring (27) extending towards the periphery is arranged in the middle of the guide rod (24), a first spring (28) is sleeved on the part of the periphery of the guide rod (24) above the limiting ring (27), and the upper end of the first spring (28) abuts against the inner end face of the bag shaking tube (25), and the lower end of the first spring (28) abuts against the upper end face of the limiting ring (27).
5. The breathing filter device convenient to tighten and easy to replace according to claim 4, wherein a connecting flange (29) extending towards the direction of the filter bag (4) is arranged on the upper binding ring (6), a connecting hole (30) is formed in the connecting flange (29), a lacing (31) is arranged at one end, close to the upper binding ring (6), of the filter bag (4), the lacing (31) penetrates through the connecting hole (30) and is bound on the connecting flange (29), and a pressure detection port (32) is formed in the side portion of the cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210272374.3A CN114588702B (en) | 2022-03-18 | 2022-03-18 | Breathing filter device convenient to tighten and easy to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210272374.3A CN114588702B (en) | 2022-03-18 | 2022-03-18 | Breathing filter device convenient to tighten and easy to replace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114588702A CN114588702A (en) | 2022-06-07 |
| CN114588702B true CN114588702B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210272374.3A Active CN114588702B (en) | 2022-03-18 | 2022-03-18 | Breathing filter device convenient to tighten and easy to replace |
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| EP0023288A2 (en) * | 1979-07-06 | 1981-02-04 | Phillips Petroleum Company | Apparatus for assembling ring-type closures |
| CN103770360A (en) * | 2012-10-23 | 2014-05-07 | 赵兴格 | Spiral oil press |
| JP2017036769A (en) * | 2015-08-07 | 2017-02-16 | 内山工業株式会社 | Sealing device |
| CN205216787U (en) * | 2015-12-07 | 2016-05-11 | 江西宜康机械科技有限公司 | Wet granulator spray gun locking mechanism |
| CN210814351U (en) * | 2019-09-16 | 2020-06-23 | 江苏恒锐环保科技有限公司 | Hydrolysis-resistant dust removal filter bag |
| CN214678839U (en) * | 2021-01-12 | 2021-11-12 | 浙江森歌电器有限公司 | Dish washer door plant structure and dish washer rational in infrastructure thereof |
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