CN209838770U - Centrifugal fan casing convenient to clearance - Google Patents
Centrifugal fan casing convenient to clearance Download PDFInfo
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- CN209838770U CN209838770U CN201920397982.0U CN201920397982U CN209838770U CN 209838770 U CN209838770 U CN 209838770U CN 201920397982 U CN201920397982 U CN 201920397982U CN 209838770 U CN209838770 U CN 209838770U
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- locking bolt
- centrifugal fan
- shell
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Abstract
The utility model discloses a casing for centrifugal fan convenient to clearance, concretely relates to centrifugal fan accessory field, including the casing subassembly, the casing subassembly includes the casing, casing rear end installation pivot, inside the pivot front end extended into the casing, the fixed carousel in pivot annular outer end, the carousel rear end is equipped with the ring board, the ring board is installed in pivot annular outer end, ring board rear end is equipped with the locking bolt, the locking bolt front end passes the ring board and extends to the carousel rear end, the fixed scraper blade in ring board bottom, the rubber strip that bonds in scraper blade outer end, carousel, ring board, locking bolt and scraper blade are all installed inside the casing, the rubber strip is established on shells inner wall. The utility model discloses a rubber strip rotates along shells inner wall and scrapes the dust, and then is convenient for clear up shells inner wall, the simple operation, and intensity of labour is little, and cleaning efficiency is high.
Description
Technical Field
The utility model relates to a centrifugal fan accessory field, more specifically say, the utility model relates to a casing for centrifugal fan convenient to clearance.
Background
The centrifugal ventilator is mainly composed of an impeller, a casing, a coupling and a shaft, wherein the impeller is a main work-doing part for generating wind pressure and transmitting energy, the casing is mainly used for introducing gas and discharging gas and simultaneously converting partial kinetic energy of the gas into pressure energy, the coupling is used for connecting a motor and the fan and transmitting torque, and the shaft is provided with and fixes the impeller and is connected with the motor through the coupling.
Patent application publication No. CN 207673621U's utility model discloses a centrifugal fan casing relates to gas transmission technical field, including casing body, air intake, fan shaft hole and air outlet, casing body is volute shape structure and including the spiral case export, and the air intake sets up in one side of casing body, and the fan shaft hole sets up in the opposite side of casing body, and the centre of a circle collineation of fan shaft hole center and air intake, air outlet are spiral case exit linkage and are formed with the connection face, connect the face and be the right angle with the planar contained angle of air outlet. Through the structure design, the streamline of the casing body is stable, the right-angled connection face with the air outlet is adopted, the ventilation process is guaranteed, the flow direction of wind is stable and free of obstacles, the noise of the ventilator in the working process is low, the ventilation wind speed is guaranteed, the fan efficiency is improved, and the high applicability of the fan is guaranteed.
However, in practical use, there are still many disadvantages, for example, after the ventilator is used for a long time, a large amount of dust is easily attached to the inner wall of the casing, and the ventilator does not have a structure convenient for cleaning, the operation of disassembling the casing for cleaning is complicated, and the assembly is required after cleaning, which causes a large labor intensity.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a casing for centrifugal fan convenient to clearance, drive the pivot simultaneously through motor work, the carousel, the impeller, link plate and scraper blade rotate, thereby it rotates along shells inner wall to drive the rubber strip, and then scrape the dust on the shells inner wall, then the dust that scrapes is along with the air outlet discharge of air current from the casing, and then be convenient for clear up shells inner wall, the simple operation, low in labor strength, and the cleaning efficiency is high, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a casing for centrifugal fan convenient to clearance, includes the casing subassembly, the casing subassembly includes the casing, casing rear end installation pivot, inside the pivot front end extended into the casing, the fixed carousel in pivot annular outer end, the carousel rear end is equipped with the ring board, the ring board is installed in pivot annular outer end, ring board rear end is equipped with the locking bolt, the locking bolt front end passes the ring board and extends to the carousel rear end, the scraper blade is fixed to ring board bottom, the rubber strip bonds in scraper blade outer end, carousel, ring board, locking bolt and scraper blade are all installed inside the casing, the rubber strip is established on shells inner wall.
In a preferred embodiment, the dustproof assembly is fixed at the front end of the shell and comprises a connecting ring, the connecting ring is fixed at the front end of the shell through bolts, a filter screen is fixed on the inner wall of the connecting ring, and a through hole is formed in the front end of the shell and is formed in the rear end of the filter screen.
In a preferred embodiment, the annular plate is uniformly provided with at least two threaded holes, the locking bolt is mounted at the rear end of the lowest threaded hole, the front end of the locking bolt penetrates through the lowest threaded hole and extends to the rear end of the rotary table, and the locking bolt is connected with the lowest threaded hole through threads.
In a preferred embodiment, the rear end of the housing is provided with an auxiliary mechanism, and the auxiliary mechanism is installed below the rotating shaft.
In a preferred embodiment, the auxiliary mechanism includes a connection frame, the connection frame is fixed at the rear end of the housing, an end cover is sleeved on the connection frame, the end cover is arranged at the rear end of the housing, a sealing frame is arranged between the connection frame and the end cover, an opening is arranged at the rear end of the housing, the opening is arranged at the front end of the connection frame, and the locking bolt is arranged right in front of the opening.
In a preferred embodiment, the shaft is rotatably connected to the housing by a bearing.
The utility model discloses a technological effect and advantage:
1. the utility model discloses before using, install impeller and motor and pivot earlier, in operation, motor work drives the pivot simultaneously, impeller and carousel rotate, and ring plate and pivot and carousel are swing joint, so do not rotate along with the pivot, when needing to clear up the shells inner wall, close the motor, then utilize locking bolt to fix carousel and ring plate, then start the motor once more, motor work drives pivot, carousel, impeller, ring plate and scraper blade simultaneously and rotates, thereby drive the rubber strip and rotate along the shells inner wall, and then scrape off the dust on the shells inner wall, then the dust that scrapes off is discharged from the air outlet of casing along with the air current, and then be convenient for clear up the shells inner wall, and convenient for operation, low in labor strength, and cleaning efficiency is high;
2. through the arrangement of the dustproof assembly, the filter screen on the dustproof assembly effectively prevents external dust from entering the shell, so that the frequency of cleaning the shell is effectively reduced, and the labor intensity of personnel is further reduced;
3. the personnel pull out the end cover, and the opening of casing rear end exposes this moment, and then inside personnel stretched into the casing through the opening with the hand to be convenient for utilize the locking bolt to fix carousel and ring board, improved the convenience of operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic side view of the housing assembly of the present invention.
Fig. 3 is a schematic enlarged view of a portion a in fig. 2 according to the present invention.
Fig. 4 is a rear view structural diagram of the housing assembly of the present invention.
Fig. 5 is a perspective view illustrating the assembly of the scraper and the rubber strip according to the present invention.
Fig. 6 is a schematic view of the three-dimensional structure of the circular ring plate of the present invention.
Fig. 7 is a diagram of an embodiment of the present invention.
The reference signs are: the dustproof filter comprises a machine shell assembly 1, a dustproof assembly 2, a shell 3, a rotating shaft 4, a rotating disc 5, a circular ring plate 6, a locking bolt 7, a scraping plate 8, a rubber strip 9, a connecting ring 10, a filter screen 11, a through hole 12, an auxiliary mechanism 13, an opening 14, a connecting frame 15, an end cover 16, a sealing frame 17 and a threaded hole 18.
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.
The casing for the centrifugal ventilator convenient to clean as shown in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 7 comprises a casing assembly 1, wherein the casing assembly 1 comprises a casing 3, a rotating shaft 4 is installed at the rear end of the casing 3, the front end of the rotating shaft 4 extends into the casing 3, a rotary disc 5 is fixed at the annular outer end of the rotating shaft 4, a circular ring plate 6 is arranged at the rear end of the rotary disc 5, the circular ring plate 6 is installed at the annular outer end of the rotating shaft 4, a locking bolt 7 is arranged at the rear end of the circular ring plate 6, the front end of the locking bolt 7 penetrates through the circular ring plate 6 and extends to the rear end of the rotary disc 5, a scraping plate 8 is fixed at the bottom end of the circular ring plate 6, a rubber strip 9 is bonded at the outer end of the scraping plate 8, the rotary disc 5, the circular ring plate 6, the locking bolt 7 and the scraping plate 8 are all;
at least two threaded holes 18 are uniformly formed in the circular ring plate 6, the locking bolt 7 is installed at the rear end of the lowermost threaded hole 18, the front end of the locking bolt 7 penetrates through the lowermost threaded hole 18 and extends to the rear end of the rotary table 5, and the locking bolt 7 is connected with the lowermost threaded hole 18 through threads;
the rotating shaft 4 is rotatably connected with the shell 3 through a bearing.
The implementation mode is specifically as follows: before the utility model is used, the impeller is firstly arranged on the rotating shaft 4 by personnel, then the rotating shaft 4 is connected with the motor, as shown in figure 7, when in work, the motor works to drive the impeller to rotate through the rotating shaft 4, and simultaneously the rotating disc 5 rotates along with the rotating shaft 4, at this time, because the circular plate 6 is movably connected with the rotating shaft 4 and the rotating disc 5, the scraper 8 and the rubber strip 9 do not rotate along with the rotating shaft 4, after the utility model is used for a period of time, dust is easy to adhere to the inner wall of the shell 3, when the inner wall of the shell 3 needs to be cleaned, the personnel turns off the motor, then the locking bolt 7 is inserted into the lowest threaded hole 18 on the circular plate 6 and screwed, thereby the locking bolt 7 rotates and moves forwards, and further the locking bolt 7 extrudes the rotating disc 5, thereby realizing the fixation of the rotating disc 5 and the circular plate 6, then the personnel, motor work drives pivot 4 simultaneously, 5 impellers of carousel and 6 rotations of ring plate, and 6 rotations of ring plate drive scraper blade 8 rotations to drive rubber strip 9 and rotate along 3 inner walls of the casing, and then scrape the dust on the 3 inner walls of the casing, then the dust of scraping is discharged from the air outlet of casing 3 along with the inside air current of casing 3, and the convenient operation is cleared up 3 inner walls of the casing to the advance, and intensity of labour is little, and cleaning efficiency is high.
The casing for the centrifugal fan convenient to clearance that as shown in fig. 1, fig. 2 and fig. 7, still includes dustproof subassembly 2, dustproof subassembly 2 is fixed at 3 front ends of casing, dustproof subassembly 2 includes go-between 10, go-between 10 passes through the bolt fastening at 3 front ends of casing, fixed filter screen 11 on the go-between 10 inner walls, through-hole 12 is seted up to 3 front ends of casing, through-hole 12 is established at filter screen 11 rear end.
The implementation mode is specifically as follows: through dustproof subassembly 2's setting, filter screen 11 on the dustproof subassembly 2 effectively prevents outside dust to get into inside 3 casings, and then has effectively reduced the frequency of 3 clearance casings, and then further reduces personnel's intensity of labour.
As shown in fig. 2, fig. 3 and fig. 4, the casing for the centrifugal fan convenient for cleaning further includes an auxiliary mechanism 13, the auxiliary mechanism 13 is disposed at the rear end of the casing 3, and the auxiliary mechanism 13 is installed below the rotating shaft 4;
the auxiliary mechanism 13 comprises a connecting frame 15, the connecting frame 15 is fixed at the rear end of the shell 3, an end cover 16 is sleeved on the connecting frame 15, the end cover 16 is arranged at the rear end of the shell 3, a sealing frame 17 is arranged between the connecting frame 15 and the end cover 16, an opening 14 is formed in the rear end of the shell 3, the opening 14 is installed at the front end of the connecting frame 15, and the locking bolt 7 is arranged in front of the opening 14.
The implementation mode is specifically as follows: the personnel pull out end cover 16, and the opening 14 of casing 3 rear end exposes this moment, and then inside personnel stretched into casing 3 through opening 14 with the hand to be convenient for utilize locking bolt 7 to fix carousel 5 and ring plate 6, improved the convenience of operation.
The utility model discloses the theory of operation:
referring to the attached drawings 1, 2, 5, 6 and 7 of the specification, before the utility model is used, the impeller, the motor and the rotating shaft are installed, when in use, the motor works to drive the rotating shaft 4, the impeller and the rotating disc 5 to rotate, the circular plate 6, the rotating shaft 4 and the rotating disc 5 are movably connected, so the motor does not rotate along with the rotating shaft 4, when the inner wall of the shell 3 needs to be cleaned, the motor is closed, then the rotating disc 5 and the circular plate 6 are fixed by the locking bolt 7, then the motor is started again, the motor works to drive the rotating shaft 4, the rotating disc 5, the impeller, the circular plate 6 and the scraper 8 to rotate, thereby the rubber strip 9 is driven to rotate along the inner wall of the shell 3, further the dust on the inner wall of the shell 3 is scraped, then the scraped dust is discharged from the air outlet of the shell 3 along with the air flow, the inner wall of the shell 3 is cleaned conveniently, the labor intensity is low, and the cleaning efficiency is high;
with reference to the attached drawings 1, 2 and 7 in the specification, through the arrangement of the dustproof assembly 2, the filter screen 11 on the dustproof assembly 2 effectively prevents external dust from entering the shell 3, so that the cleaning frequency of the shell 3 is effectively reduced, and the labor intensity of personnel is further reduced;
referring to the specification, fig. 2, fig. 3 and fig. 4, the person pulls down the end cover 16, and the opening 14 at the rear end of the housing 3 is exposed, and then the person stretches his hand into the housing 3 through the opening 14, so that the rotating disc 5 and the annular plate 6 are fixed by the locking bolt 7, and the convenience of operation is improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A casing for centrifugal fan convenient to clearance, includes casing subassembly (1), its characterized in that: the machine shell component (1) comprises a shell (3), a rotating shaft (4) is arranged at the rear end of the shell (3), the front end of the rotating shaft (4) extends into the shell (3), the annular outer end of the rotating shaft (4) is fixed with a turntable (5), a circular ring plate (6) is arranged at the rear end of the rotary table (5), the circular ring plate (6) is arranged at the annular outer end of the rotary shaft (4), the rear end of the circular ring plate (6) is provided with a locking bolt (7), the front end of the locking bolt (7) penetrates through the circular ring plate (6) and extends to the rear end of the turntable (5), a scraping plate (8) is fixed at the bottom end of the circular ring plate (6), a rubber strip (9) is bonded at the outer end of the scraping plate (8), carousel (5), ring board (6), locking bolt (7) and scraper blade (8) are all installed inside casing (3), rubber strip (9) are established on casing (3) inner wall.
2. A casing for a centrifugal fan convenient to clean according to claim 1, wherein: the dustproof assembly (2) is fixed to casing (3) front end, dustproof assembly (2) include go-between (10), go-between (10) pass through the bolt fastening at casing (3) front end, fixed filter screen (11) on go-between (10) inner wall, through-hole (12) are seted up to casing (3) front end, filter screen (11) rear end is established in through-hole (12).
3. A casing for a centrifugal fan convenient to clean according to claim 1, wherein: the rotary table is characterized in that the annular plate (6) is uniformly provided with at least two threaded holes (18), the locking bolt (7) is installed at the rear end of the lowest threaded hole (18), the front end of the locking bolt (7) penetrates through the lowest threaded hole (18) and extends to the rear end of the rotary table (5), and the locking bolt (7) is connected with the lowest threaded hole (18) through threads.
4. A casing for a centrifugal fan convenient to clean according to claim 1, wherein: the rear end of the shell (3) is provided with an auxiliary mechanism (13), and the auxiliary mechanism (13) is installed below the rotating shaft (4).
5. The casing for the centrifugal fan convenient to clean according to claim 4, wherein: auxiliary mechanism (13) are including connection frame (15), connection frame (15) are fixed in casing (3) rear end, the cover has end cover (16) on connection frame (15), establish at casing (3) rear end cover (16), be equipped with sealed frame (17) between connection frame (15) and end cover (16), opening (14) are seted up to casing (3) rear end, opening (14) are installed at connection frame (15) front end, establish in opening (14) dead ahead locking bolt (7).
6. A casing for a centrifugal fan convenient to clean according to claim 1, wherein: the rotating shaft (4) is rotatably connected with the shell (3) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397982.0U CN209838770U (en) | 2019-03-27 | 2019-03-27 | Centrifugal fan casing convenient to clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397982.0U CN209838770U (en) | 2019-03-27 | 2019-03-27 | Centrifugal fan casing convenient to clearance |
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| Publication Number | Publication Date |
|---|---|
| CN209838770U true CN209838770U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920397982.0U Active CN209838770U (en) | 2019-03-27 | 2019-03-27 | Centrifugal fan casing convenient to clearance |
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| CN (1) | CN209838770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673682A (en) * | 2022-04-26 | 2022-06-28 | 江苏恒康机电有限公司 | Regulation formula centrifugal fan |
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2019
- 2019-03-27 CN CN201920397982.0U patent/CN209838770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673682A (en) * | 2022-04-26 | 2022-06-28 | 江苏恒康机电有限公司 | Regulation formula centrifugal fan |
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