CN209797564U - Rotating shaft protection structure of aerator - Google Patents
Rotating shaft protection structure of aerator Download PDFInfo
- Publication number
- CN209797564U CN209797564U CN201920293992.XU CN201920293992U CN209797564U CN 209797564 U CN209797564 U CN 209797564U CN 201920293992 U CN201920293992 U CN 201920293992U CN 209797564 U CN209797564 U CN 209797564U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- annular groove
- aligning roller
- roller bearing
- cylinder body
- 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.)
- Expired - Fee Related
Links
- 238000005276 aerator Methods 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000005273 aeration Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 239000003921 oil Substances 0.000 abstract description 67
- 239000010687 lubricating oil Substances 0.000 abstract description 11
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Sealing Of Bearings (AREA)
Abstract
The utility model relates to an aeration machine especially relates to a pivot protection architecture of aeration machine, the urceolus that link up including both ends, urceolus internal fixation is equipped with the inner tube, and in the inner tube was located in the pivot, urceolus, inner tube and the coaxial setting of pivot, be equipped with the central siphon that supplies the pivot to pass in the inner tube, the both ends of inner tube all set gradually circlip, sealing plug, aligning roller bearing, skeleton oil blanket from the tip inwards, and the skeleton oil blanket is pressed in the tip of central siphon, pivot and aligning roller bearing fixed connection, spiro union has the nut in the pivot, and the nut is pressed on aligning roller bearing, and aligning roller bearing is located between nut and the skeleton oil blanket. The utility model utilizes the characteristics of the self-aligning roller bearing that can bear axial load and radial load to ensure that the rotating shaft is well positioned in the inner cylinder and is not easy to shake when rotating; the sealing structure is used for sealing oil, and the self-aligning roller bearing is immersed in lubricating oil to be fully lubricated, so that the resistance of the rotating shaft during rotation is reduced.
Description
Technical Field
The utility model relates to an aeration machine especially relates to an aeration machine's pivot protection architecture.
Background
Aeration is the process of forcing the oxygen in the air to be transferred into the liquid, with the aim of obtaining sufficient dissolved oxygen. In addition, the aeration also prevents the suspension in the tank from sinking and strengthens the contact of the microorganisms in the tank with the dissolved oxygen, thereby ensuring that the microorganisms in the tank decompose the organic matters in the sewage under the condition of sufficient dissolved oxygen.
the utility model discloses a utility model patent of grant bulletin number CN201620076U discloses a stirring aeration machine, which comprises a rotating shaft, the dispersion impeller, cloth trachea and motor reducer, pivot pot head has the base, the base is fixed in on the pond top, the top of pivot links to each other with motor reducer's output, the lower extreme of pivot is arranged in to the dispersion impeller cover, be equipped with a plurality of arc water conservancy diversion ribs in the quotation of dispersion impeller, be equipped with a plurality of blades on the annular face of dispersion impeller bottom, the bottom cover of pivot has a bearing frame, the bearing frame is fixed in the bottom of the pool, the cloth trachea sets up in the dispersion impeller below, it has an air inlet to open on the cloth trachea, it has a plurality of cloth.
The working principle of the stirring aerator is as follows: the motor reducer drives the rotating shaft to rotate, the rotating shaft drives the dispersion disc connected with the rotating shaft, and when the motor reducer rotates at a low speed, the gas distribution pipe is not inflated, and stirring is performed at the moment; when the motor reducer rotates at a high speed, the air distribution pipe is inflated, and bubbles entering the pool from the air distribution hole are smashed into small bubbles by the blade at the bottom of the dispersion disc and are quickly dissolved in water, so that the air is dissolved in the water.
Above-mentioned stirring aeration machine's pivot exposes in pond aquatic, and when having mud or solid debris in the pond water, the pivot rotation resistance is great, leads to the pivot to produce radially rocking easily, has reduced the life of pivot, consequently needs a pivot protection architecture who reduces pivot rotation resistance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an aeration machine's pivot protection architecture, it has the advantage that reduces pivot rotation resistance.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a rotating shaft protection structure of an aerator comprises an outer barrel with two through ends, wherein an inner barrel is fixedly arranged in the outer barrel, a rotating shaft is arranged in the inner barrel, the outer barrel, the inner barrel and the rotating shaft are coaxially arranged, a shaft tube for the rotating shaft to penetrate through is arranged in the inner barrel, elastic check rings, sealing bolts, aligning roller bearings and a framework oil seal are sequentially arranged at the two ends of the inner barrel from the end part to the inside, the framework oil seal is pressed at the end part of the shaft tube, the rotating shaft is fixedly connected with the aligning roller bearings, nuts are screwed on the rotating shaft and pressed on the aligning roller bearings, and the aligning roller bearings are positioned between the; an oil filling hole is formed in the inner barrel and communicated with the interior of the self-aligning roller bearing, and a screw penetrates through the outer barrel and is in threaded connection with the oil filling hole.
By adopting the technical scheme, the two nuts are locked at the outer sides of the two self-aligning roller bearings, so that the rotating shaft can be prevented from moving along the axial direction; lubricating oil injected into the inner cylinder from the oil filling hole is reserved in a space enclosed by the sealing bolt and the framework oil seal, the self-aligning roller bearing is immersed in the lubricating oil to be fully lubricated, and the lubricating oil gradually permeates into a fit clearance between the rotating shaft and the framework oil seal when the rotating shaft rotates relative to the framework oil seal, so that the resistance of the framework oil seal to the rotating shaft is reduced; the two ends of the shaft tube are respectively abutted against the framework oil seal, so that the oil leakage at the matching part of the framework oil seal and the inner cylinder can be prevented, the effect of fixing the framework oil seal can be achieved, and the framework oil seal is prevented from rotating along with the rotating shaft; the self-aligning roller bearing can bear axial load and radial load and can prevent the rotating shaft from moving along the axial direction or the radial direction. In conclusion, the rotating shaft is well positioned in the inner cylinder, is not easy to shake during rotation, and is well lubricated, so that the resistance of the rotating shaft during rotation is small.
Preferably, the inner cylinder is provided with a first annular groove, a second annular groove, a third annular groove and a fourth annular groove in sequence from two ends to the inner wall of the center, the elastic retainer ring is arranged in the first annular groove, the sealing bolt is arranged in the second annular groove, the self-aligning roller bearing is arranged in the third annular groove, and the framework oil seal is arranged in the fourth annular groove.
By adopting the technical scheme, the sealing bolt and the framework oil seal have good sealing effect as two sealing structures, and the sealing effect can be further improved by utilizing the matching of the annular groove structure on the inner wall of the inner cylinder, the sealing bolt and the framework oil seal.
Preferably, the sealing bolt is provided with a round hole for the rotating shaft to pass through, and the sealing bolt is internally provided with a lip-shaped sealing ring for sealing the round hole.
Through adopting above-mentioned technical scheme, utilize lip seal circle to seal the round hole on the sealed bolt, have dustproof leak protection's effect.
Preferably, an oil leakage hole is formed in the inner cylinder, and two ends of the oil leakage hole are respectively communicated with the two oil injection holes.
Through adopting above-mentioned technical scheme, when to top oil filler point oiling, lubricating oil can leak into the oiling hole of bottom along the oil leak hole to in the self-aligning roller bearing of pouring into the bottom, can be simultaneously to two self-aligning roller bearing interior oiling, improved oiling efficiency.
Preferably, the inner cylinder includes barrel, middle barrel and lower barrel, and the both ends of middle barrel all are equipped with annular slot, and annular slot is located the inner wall of middle barrel, goes up the barrel and inserts in the annular slot with the tip cooperation of barrel down.
by adopting the technical scheme, the inner barrel is designed into a three-section combination form of the upper barrel, the middle barrel and the lower barrel, so that the manufacturing and the processing are convenient, and the transportation and the assembly are convenient.
preferably, the upper cylinder body and the lower cylinder body are shorter than the middle cylinder body, and the first annular groove, the second annular groove, the third annular groove and the fourth annular groove are formed in the inner walls of the upper cylinder body and the lower cylinder body.
Through adopting above-mentioned technical scheme, locate all ring channels on the inner wall of barrel and lower barrel on shorter, have the advantage of conveniently making processing and making things convenient for the dismouting.
Preferably, the bottom end of the outer barrel is longer than the bottom end of the inner barrel, a splash guard is arranged in the outer barrel, the outer wall of the splash guard is matched with the inner wall of the outer barrel, an annular bulge is arranged on the splash guard, and the annular bulge is inserted into the inner barrel.
By adopting the technical scheme, the oil leakage prevention device has the function of preventing oil leakage at the bottom of the inner cylinder.
Preferably, the rotating shaft is connected with an impeller through a flat key, and the top of the impeller is inserted into the outer barrel in a matching manner.
By adopting the technical scheme, the oil leakage prevention device also has a certain effect of preventing oil leakage at the bottom of the inner cylinder.
To sum up, the utility model discloses a beneficial technological effect does:
1. The characteristics that the self-aligning roller bearing can bear axial load and radial load are utilized, so that the rotating shaft is well positioned in the inner cylinder and is not easy to shake when rotating;
2. The sealing structure is used for sealing oil, and the self-aligning roller bearing is immersed in lubricating oil to be fully lubricated, so that the resistance of the rotating shaft during rotation is reduced.
Drawings
FIG. 1 is a front view of an aerator in an embodiment;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is a front view of the inner barrel of FIG. 2 with the inner structure hidden;
FIG. 6 is an enlarged view of portion C of FIG. 5;
fig. 7 is an enlarged view of a portion D in fig. 5.
In the figure, 1, a motor; 2. a connecting frame; 3. a coupling; 4. a rotating shaft; 5. an outer cylinder; 6. an inner barrel; 61. an upper cylinder body; 61a, a first annular groove; 61b, a second annular groove; 61c, a third annular groove; 61d, a fourth annular groove; 62. a middle cylinder; 62a, an annular slot; 63. a lower cylinder body; 7. a circlip; 8. sealing the bolt; 8a, a round hole; 9. a lip-shaped seal ring; 10. a nut; 11. a self-aligning roller bearing; 11a, a through hole; 12. framework oil seal; 13. an axle tube; 14. a splash guard; 14a, an annular projection; 15. an impeller; 16. an oil filler hole; 17. an oil leak hole; 18. a screw; 19. a flat bond; 20. and locking the nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): fig. 1 shows an aerator according to the present invention, which mainly comprises a motor 1, a connecting frame 2, a rotating shaft 4 and an impeller 15, wherein the connecting frame 2 is fixed above the water surface of the aeration tank.
as shown in fig. 2, the inner cylinder 6 is fixed at the bottom of the connecting frame 2 by a circle of bolt, the rotating shaft 4 extends into the inner cylinder 6, two ends of the inner cylinder 6 are communicated, the top end of the rotating shaft 4 is connected with the rotating shaft of the motor 1 (fixed in position) through the coupler 3, the bottom end of the rotating shaft 4 is connected with the impeller 15 through the flat key 19, and the connecting frame 2, the rotating shaft 4, the inner cylinder 6 and the impeller 15 are coaxially arranged.
Referring to fig. 3 and 4, two elastic retainer rings 7, two sealing bolts 8, two lip-shaped sealing rings 9, two nuts 10, two self-aligning roller bearings 11, two skeleton oil seals 12, a shaft tube 13, and a splash guard 14 are arranged in the inner cylinder 6. The inner cylinder 6 is composed of three sections of an upper cylinder 61, a middle cylinder 62 and a lower cylinder 63 from top to bottom, annular slots 62a (located on the inner wall of the middle cylinder 62) are arranged at two ends of the middle cylinder 62, and the end parts of the upper cylinder 61 and the lower cylinder 63 are inserted into the annular slots 62a in a matching mode.
As shown in fig. 2, the bottom end of the rotating shaft 4 passing through the impeller 15 is screwed with a lock nut 20, and the lock nut 20 and the connecting frame 2 compress three sections of the inner cylinder 6. The inner cylinder 6 is designed into a form of combining three sections of the upper cylinder 61, the middle cylinder 62 and the lower cylinder 63, so that the manufacturing and the processing are convenient, and the transportation and the assembly are convenient.
As shown in fig. 3, a circular hole 8a is formed in the sealing plug 8 for the rotating shaft 4 to pass through, the diameter of the circular hole 8a is larger than that of the rotating shaft 4, the lip-shaped sealing ring 9 is fixed in the hollow interior of the sealing plug 8, the rotating shaft 4 passes through the lip-shaped sealing ring 9, and the lip-shaped sealing ring 9 is used for sealing the circular hole 8 a.
As shown in fig. 3, the rotating shaft 4 is fixedly connected to the inner ring of the self-aligning roller bearing 11, the nut 10 is pressed against the outer side surface of the self-aligning roller bearing 11, and the nut 10 does not interfere with the outer ring of the self-aligning roller bearing 11 when rotating along with the rotating shaft 4.
Referring to fig. 3 and 4, an elastic retainer ring 7, a sealing bolt 8, a lip seal 9, a nut 10, a self-aligning roller bearing 11, and a skeleton oil seal 12 are sequentially arranged in the upper cylinder 61 from top to bottom; an elastic retainer ring 7, a sealing ring, a lip-shaped sealing ring 9, a nut 10, a self-aligning roller bearing 11 and a framework oil seal 12 are sequentially arranged in the lower cylinder 63 from bottom to top. Shaft tube 13 is located between two skeleton oil seals 12, and skeleton oil seal 12 presses in the tip of shaft tube 13, and the outer wall of shaft tube 13 cooperates with the inner wall of inner tube 6, and pivot 4 passes in shaft tube 13.
Referring to fig. 3 and 4, two oil injection holes 16 are formed in the inner cylinder 6, the positions of the two oil injection holes 16 correspond to the positions of the two self-aligning roller bearings 11, through holes 11a are drilled in the outer rings of the self-aligning roller bearings 11, and the through holes 11a are communicated with the oil injection holes 16. An oil leakage hole 17 is arranged in the inner cylinder 6, the oil leakage hole 17 is parallel to the central axis of the inner cylinder 6, and two ends of the oil leakage hole 17 are respectively communicated with the two oil injection holes 16. When the top oil filling hole 16 is filled with oil, lubricating oil can leak into the bottom oil filling hole 16 along the oil leakage hole 17, so that the lubricating oil can be filled into the bottom self-aligning roller bearings 11, the two self-aligning roller bearings 11 can be filled with oil at the same time, and the oil filling efficiency is improved.
Referring to fig. 6 and 7, a fourth annular groove 61d for the framework oil seal 12 to be engaged is formed on the inner wall of the inner cylinder 6. The inner cylinder 6 is further provided with a first annular groove 61a for the elastic retainer ring 7 to be fitted and clamped, a second annular groove 61b for the sealing bolt 8 to be fitted and clamped, and a third annular groove 61c for the centering roller bearing 11 to be fitted and clamped.
with reference to fig. 6 and 7, the upper cylinder 61 and the lower cylinder 63 are both shorter than the middle cylinder, and the first annular groove 61a, the second annular groove 61b, the third annular groove 61c and the fourth annular groove 61d are disposed on the shorter upper cylinder 61 and the lower cylinder 63, so that the advantages of convenient manufacture and assembly and disassembly are achieved.
As shown in fig. 6, the outer cylinder 5 is further sleeved outside the inner cylinder 6, the inner wall of the outer cylinder 5 is matched with the outer wall of the inner cylinder 6, two ends of the outer cylinder 5 are communicated, two screws 18 are arranged on the side wall of the outer cylinder 5 in a penetrating manner, the two screws 18 are respectively screwed in two oil holes 16, and the screws 18 are used for blocking the oil holes 16.
As shown in fig. 4, the bottom end of the outer cylinder 5 is longer than the bottom end of the inner cylinder 6, a splash guard 14 is arranged at the bottom in the outer cylinder 5, the outer wall of the splash guard 14 is matched with the inner wall of the outer cylinder 5, the rotating shaft 4 penetrates through the center of the splash guard 14, the rotating shaft 4 can rotate relative to the splash guard 14, and the splash guard 14 has the function of preventing oil from leaking from the bottom of the inner cylinder 6. An annular bulge 14a is integrally formed on one side of the splash guard 14 facing the inside of the outer cylinder 5, the annular bulge 14a is inserted into the inner cylinder 6, and the outer wall of the annular bulge 14a is matched with the inner wall of the inner cylinder 6. The top of the impeller 15 is also inserted into the outer cylinder 5 in a matching way, and the impeller also has a certain function of preventing oil leakage at the bottom of the inner cylinder 6.
The principle of reducing the rotation resistance of the rotating shaft 4 in the embodiment is as follows: the two nuts 10 are locked at the outer sides of the two self-aligning roller bearings 11, so that the rotating shaft 4 can be prevented from moving along the axial direction; lubricating oil injected into the inner cylinder 6 from the oil injection hole 16 is reserved in a space enclosed by the sealing bolt 8 and the framework oil seal 12, the self-aligning roller bearing 11 is immersed in the lubricating oil to be fully lubricated, and when the rotating shaft 4 rotates relative to the framework oil seal 12, the lubricating oil gradually permeates into a fit clearance between the rotating shaft 4 and the framework oil seal 12, so that the resistance of the framework oil seal 12 to the rotating shaft 4 is reduced; the two ends of the shaft tube 13 are respectively abutted against the framework oil seal 12, so that oil leakage at the matching part of the framework oil seal 12 and the inner cylinder 6 can be prevented, the function of fixing the framework oil seal 12 can be achieved, and the framework oil seal 12 is prevented from rotating along with the rotating shaft 4; the self-aligning roller bearing 11 can bear axial load and radial load, and can prevent the rotating shaft 4 from moving along the axial direction or the radial direction. In conclusion, the rotating shaft 4 is well positioned in the inner cylinder 6, is not easy to shake during rotation, and is well lubricated, so that the resistance of the rotating shaft 4 during rotation is small.
the embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an aeration machine's pivot protection architecture, includes urceolus (5) that both ends link up, urceolus (5) internal fixation is equipped with inner tube (6), and in inner tube (6) were located in pivot (4), urceolus (5), inner tube (6) and pivot (4) coaxial setting, its characterized in that: the inner cylinder (6) is internally provided with a shaft tube (13) for the rotating shaft (4) to pass through, two ends of the inner cylinder (6) are respectively and sequentially provided with an elastic retainer ring (7), a sealing bolt (8), a self-aligning roller bearing (11) and a framework oil seal (12) from the end part to the inside, the framework oil seal (12) is pressed on the end part of the shaft tube (13), the rotating shaft (4) is fixedly connected with the self-aligning roller bearing (11), the rotating shaft (4) is in threaded connection with a nut (10), the nut (10) is pressed on the self-aligning roller bearing (11), and the self-aligning roller bearing (11) is positioned between the nut (10) and the framework; an oil filling hole (16) is formed in the inner barrel (6), the oil filling hole (16) is communicated with the interior of the self-aligning roller bearing (11), a screw (18) penetrates through the outer barrel (5), and the screw (18) is in threaded connection with the oil filling hole (16).
2. The rotating shaft protection structure of an aerator according to claim 1, wherein: the inner cylinder (6) is provided with a first annular groove (61 a), a second annular groove (61 b), a third annular groove (61 c) and a fourth annular groove (61 d) from two ends to the inner wall of the center in sequence, the elastic retainer ring (7) is arranged in the first annular groove (61 a), the sealing bolt (8) is arranged in the second annular groove (61 b), the self-aligning roller bearing (11) is arranged in the third annular groove (61 c), and the framework oil seal (12) is arranged in the fourth annular groove (61 d).
3. The rotating shaft protection structure of an aerator according to claim 1, wherein: the sealing bolt (8) is provided with a round hole (8 a) for the rotating shaft (4) to pass through, and a lip-shaped sealing ring (9) used for sealing the round hole (8 a) is arranged in the sealing bolt (8).
4. The rotating shaft protection structure of an aerator according to claim 1, wherein: an oil leakage hole (17) is formed in the inner cylinder (6), and two ends of the oil leakage hole (17) are respectively communicated with the two oil injection holes (16).
5. The rotating shaft protection structure of an aerator according to claim 2, wherein: the inner cylinder (6) comprises an upper cylinder body (61), a middle cylinder body (62) and a lower cylinder body (63), annular insertion grooves (62 a) are formed in two ends of the middle cylinder body (62), the annular insertion grooves (62 a) are located on the inner wall of the middle cylinder body (62), and the end portions of the upper cylinder body (61) and the lower cylinder body (63) are inserted into the annular insertion grooves (62 a) in a matched mode.
6. the rotation shaft protection structure of an aerator according to claim 5, wherein: the upper cylinder body (61) and the lower cylinder body (63) are shorter than the middle cylinder body (62), and the first annular groove (61 a), the second annular groove (61 b), the third annular groove (61 c) and the fourth annular groove (61 d) are formed in the inner walls of the upper cylinder body (61) and the lower cylinder body (63).
7. The rotating shaft protection structure of an aerator according to claim 1, wherein: the bottom of urceolus (5) is longer than the bottom of inner tube (6), is equipped with splash guard (14) in urceolus (5), and the outer wall of splash guard (14) cooperates with the inner wall of urceolus (5), is equipped with annular arch (14 a) on splash guard (14), and annular arch (14 a) insert inner tube (6).
8. The rotation shaft protection structure of an aerator according to claim 7, wherein: the rotating shaft (4) is connected with an impeller (15) through a flat key (19), and the top of the impeller (15) is inserted into the outer barrel (5) in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293992.XU CN209797564U (en) | 2019-03-07 | 2019-03-07 | Rotating shaft protection structure of aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293992.XU CN209797564U (en) | 2019-03-07 | 2019-03-07 | Rotating shaft protection structure of aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209797564U true CN209797564U (en) | 2019-12-17 |
Family
ID=68824061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920293992.XU Expired - Fee Related CN209797564U (en) | 2019-03-07 | 2019-03-07 | Rotating shaft protection structure of aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209797564U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994886A (en) * | 2019-12-23 | 2020-04-10 | 浙江佳乐科仪股份有限公司 | Motor transmission device mounted on driving shaft of water-jet loom |
| CN111366453A (en) * | 2020-04-29 | 2020-07-03 | 嘉善县科正建设工程检测有限公司 | Lower pressing plate circumferential sealing mechanism of universal testing machine |
| CN114433586A (en) * | 2021-12-31 | 2022-05-06 | 安徽银锐智能科技股份有限公司 | Disc brush reciprocating driving mechanism and glass cleaning machine |
| CN114433585A (en) * | 2021-12-31 | 2022-05-06 | 安徽银锐智能科技股份有限公司 | Dish brush subassembly and glass cleaning machine |
-
2019
- 2019-03-07 CN CN201920293992.XU patent/CN209797564U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994886A (en) * | 2019-12-23 | 2020-04-10 | 浙江佳乐科仪股份有限公司 | Motor transmission device mounted on driving shaft of water-jet loom |
| CN111366453A (en) * | 2020-04-29 | 2020-07-03 | 嘉善县科正建设工程检测有限公司 | Lower pressing plate circumferential sealing mechanism of universal testing machine |
| CN111366453B (en) * | 2020-04-29 | 2022-07-01 | 嘉善县科正建设工程检测有限公司 | Lower pressing plate circumferential sealing mechanism of universal testing machine |
| CN114433586A (en) * | 2021-12-31 | 2022-05-06 | 安徽银锐智能科技股份有限公司 | Disc brush reciprocating driving mechanism and glass cleaning machine |
| CN114433585A (en) * | 2021-12-31 | 2022-05-06 | 安徽银锐智能科技股份有限公司 | Dish brush subassembly and glass cleaning machine |
| CN114433585B (en) * | 2021-12-31 | 2023-07-25 | 安徽银锐智能科技股份有限公司 | Dish brush subassembly and glass cleaning machine |
| CN114433586B (en) * | 2021-12-31 | 2023-07-25 | 安徽银锐智能科技股份有限公司 | Disk brush reciprocating driving mechanism and glass cleaning machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |