CN113279987A - Centrifugal fan convenient to installation maintenance - Google Patents
Centrifugal fan convenient to installation maintenance Download PDFInfo
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- CN113279987A CN113279987A CN202110751743.2A CN202110751743A CN113279987A CN 113279987 A CN113279987 A CN 113279987A CN 202110751743 A CN202110751743 A CN 202110751743A CN 113279987 A CN113279987 A CN 113279987A
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- shell
- fixedly connected
- centrifugal fan
- rotating shaft
- caulking groove
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- 238000012423 maintenance Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title claims description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a centrifugal fan convenient to install and maintain, which comprises a shell, a main shaft rotationally connected to the shell, an impeller fixedly connected to one end of the main shaft and positioned in the shell, and a motor connected to the other end of the main shaft, wherein one side of the shell, facing the motor, is provided with a plurality of caulking grooves and a plurality of clamping grooves communicated with the caulking grooves, and the centrifugal fan convenient to install and maintain further comprises a fan position adjusting mechanism used for adapting to pipeline connection. According to the invention, the shell capable of being rapidly disassembled is used, so that the shell can be rapidly disassembled when the centrifugal fan breaks down and needs to be maintained, the maintenance of the interior of the fan becomes easy, the shell can be rapidly assembled back after the maintenance is finished, the convenience and the rapidness are realized, and the first worm wheel and the first worm are used for controlling the rotating disc to rotate, so that the shell is driven to rotate, the direction of the air outlet on the shell can be randomly changed in the radial direction, and the pipeline connection can be better adapted.
Description
Technical Field
The invention relates to the field of centrifugal fans, in particular to a centrifugal fan convenient to install and maintain.
Background
The centrifugal fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy, and is a driven fluid machine; the application of fan is very extensive, and according to the amount of wind variation, its field of application is also different, and along with the development of science and technology, people are more and more high to the fan demand of big amount of wind. The following problems often arise in the daily use of centrifugal fans:
1. when the centrifugal fan is needed, the air inlet and the air outlet are connected with the system air path by using the flexible pipeline, so that the requirement on the length of the flexible pipeline is very high, if the length is not matched, a new flexible pipeline needs to be purchased additionally, the shutdown is needed, the purchase is removed, the trouble is caused, and the progress of the project is greatly reduced;
2. when the centrifugal fan is used for a long time and fails and needs to be maintained, the shell of the fan needs to be detached and then the interior of the shell needs to be maintained, and the shell is generally connected through threads, so that the process of detaching the fan is very complicated and troublesome, and the use of the fan is influenced;
the present invention has been devised to solve the above problems.
Disclosure of Invention
Therefore, it is necessary to provide a centrifugal fan convenient for installation and maintenance, which can facilitate adaptive connection of pipelines.
The invention discloses a centrifugal fan convenient to install and maintain, which comprises a shell, a main shaft rotationally connected to the shell, an impeller fixedly connected to one end of the main shaft and positioned in the shell, and a motor connected to the other end of the main shaft, wherein one side of the shell, facing the motor, is provided with a plurality of caulking grooves and a plurality of clamping grooves communicated with the caulking grooves, and the centrifugal fan convenient to install and maintain further comprises a fan position adjusting mechanism used for adapting to pipeline connection.
In one embodiment, the fan position adjustment mechanism includes: the base is rotatably connected with a first rotating shaft and a second rotating shaft positioned below the first rotating shaft, the first rotating shaft is fixedly connected with a first belt pulley and a first gear, and the second rotating shaft is fixedly connected with a second worm and a second gear; the adjusting rod is rotatably connected to the base and positioned between the first rotating shaft and the second rotating shaft, the adjusting rod is connected with the base in a sliding mode, a driving gear used for meshing the first gear or the second gear is fixedly connected to the adjusting rod, and one end, penetrating out of the base, of the adjusting rod is fixedly connected with a handle; the horizontal limb of the mounting plate is fixedly connected to the first rotating shaft, the vertical limb of the mounting plate is connected with the side face of the shell, a rotating disc is rotatably connected to one side, facing the shell, of the mounting plate, a first worm wheel and a plurality of bulges used for being clamped into the clamping grooves are fixedly connected to the rotating disc, a positioning disc used for limiting the rotating disc to move axially is fixedly connected to the mounting plate, and a sliding groove is formed in the lower end of the vertical limb of the mounting plate; the second belt pulley is rotatably connected to the vertical limb of the mounting plate, a transmission belt is connected between the second belt pulley and the first belt pulley, and a first worm in transmission connection with the first worm wheel is fixedly connected to the center of the second belt pulley; the second worm wheel is rotatably connected in the base and is in transmission connection with the second worm, a push-pull rod is in threaded connection with the center of the second worm wheel, and one end of the push-pull rod penetrates through the base and is fixedly connected with a sliding rod in sliding connection with the sliding groove; and the limiting mechanism is arranged on the shell and is clamped into one of the caulking grooves to limit the positions of the shell and the rotating disk.
In one embodiment, the caulking groove is divided into a first caulking groove and a second caulking groove, the upper end of the first caulking groove penetrates through the shell, and the limiting mechanism is clamped into the first caulking groove.
In one embodiment, the clamping groove is divided into a first clamping groove communicated with the first caulking groove and a second clamping groove communicated with the second caulking groove, and the protrusion is divided into a first protrusion for being clamped into the first clamping groove and a second protrusion for being clamped into the second clamping groove.
In one embodiment, the volume of the first protrusion is the same as the size of the inner cavity of the first clamping groove.
In one embodiment, the limiting mechanism includes a positioning plate slidably connected to the housing and clamped into the first caulking groove, a spring for pushing the positioning plate to limit the first protrusion is installed between the positioning plate and the housing, and a moving space exists between the positioning plate and the first caulking groove when the spring is in a natural state.
In one embodiment, a fixing sleeve is fixedly connected between the output end of the motor and the main shaft, and the motor is fixedly mounted on the horizontal limb of the mounting plate.
The invention has the advantages that:
1. but through using quick assembly disassembly's shell for centrifugal fan can pull down the shell fast when the needs maintenance breaks down, makes the maintenance to the fan inside become easy, after the maintenance, can also adorn the casing back fast, convenient and fast.
2. The first worm wheel and the first worm are used for controlling the rotating disc to rotate, so that the shell is driven to rotate, the direction of an air outlet in the shell can be changed randomly in the radial direction, and pipeline connection can be better adapted.
3. The position of the push-pull rod is controlled through threaded connection, so that the angle of the mounting plate can be controlled by the push-pull rod, the inclination angle of the axial direction of the fan can be adjusted, and the connection of pipelines can be better adapted.
4. Through using the adjusting rod capable of horizontally sliding, the orientation of the air outlet and the inclination angle of the fan in the axis direction can be respectively adjusted through the adjusting rod, and the adjusting mode is simpler.
5. Through using the mode of adjusting the inclination of air outlet orientation and fan axis direction, if flexible pipeline length mismatches when the tube coupling, can also be through the position cooperation tube coupling of adjusting air outlet and air inlet, and then save flexible pipeline for need not to shut down, installation engineering can continue to go on.
Drawings
Fig. 1 is a perspective view of a centrifugal fan provided by the present invention;
FIG. 2 is a front view of a centrifugal fan provided in accordance with the present invention;
FIG. 3 is a left side view of a centrifugal fan according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along the line C-C of FIG. 4 in accordance with the present invention;
FIG. 7 is a cross-sectional view of the D-D square of FIG. 4 in accordance with the present invention;
FIG. 8 is a first perspective view of the housing of the present invention;
FIG. 9 is a second perspective view of the housing of the present invention;
fig. 10 is a perspective view of the rotating disk of the present invention.
In the figure, the base 1, the impeller 2, the motor 3, the housing 4, the second caulking groove 41, the second caulking groove 42, the first caulking groove 43, the first caulking groove 44, the fixing sleeve 5, the mounting plate 6, the sliding groove 61, the first rotating shaft 7, the first belt pulley 71, the first gear 72, the second belt pulley 81, the first worm 82, the transmission belt 9, the adjusting rod 10, the handle 101, the driving gear 102, the spring 11, the positioning plate 12, the rotating disc 13, the first worm wheel 131, the first protrusion 132, the second protrusion 133, the second rotating shaft 14, the second worm 141, the second gear 142, the second worm wheel 15, the push-pull rod 16, the sliding rod 161, the main shaft 17, and the positioning disc 18 are shown.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 10, a centrifugal fan convenient to install and maintain comprises a housing 4, a main shaft 17 rotatably connected to the housing 4, an impeller 2 fixedly connected to one end of the main shaft 17 and located in the housing 4, and a motor 3 connected to the other end of the main shaft 17, wherein one side of the housing 4 facing the motor 3 is provided with a plurality of caulking grooves and a plurality of clamping grooves communicated with the caulking grooves, and the centrifugal fan convenient to install and maintain further comprises a fan position adjusting mechanism used for adapting to pipeline connection.
Preferably, the fan position adjustment mechanism includes: a base 1, wherein a first rotating shaft 7 and a second rotating shaft 14 positioned below the first rotating shaft 7 are rotatably connected to the base 1, a first belt pulley 71 and a first gear 72 are fixedly connected to the first rotating shaft 7, and a second worm 141 and a second gear 142 are fixedly connected to the second rotating shaft 14; the adjusting rod 10 is rotatably connected to the base 1 and located between the first rotating shaft 7 and the second rotating shaft 14, the adjusting rod 10 is slidably connected to the base 1, a driving gear 102 for engaging the first gear 72 or the second gear 142 is fixedly connected to the adjusting rod 10, and a handle 101 is fixedly connected to one end of the adjusting rod 10, which penetrates through the base 1; the horizontal limb of the mounting plate 6 is fixedly connected to the first rotating shaft 7, the vertical limb of the mounting plate is connected with the side face of the shell 4, a rotating disc 13 is rotatably connected to one side, facing the shell 4, of the mounting plate 6, a first worm wheel 131 and a plurality of protrusions used for being clamped into clamping grooves are fixedly connected to the rotating disc 13, a positioning disc 18 used for limiting the rotating disc 13 to move axially is fixedly connected to the mounting plate 6, and a sliding groove 61 is formed in the lower end of the vertical limb of the mounting plate 6; the second belt pulley 81 is rotatably connected to the vertical limb of the mounting plate 6, a transmission belt 9 is connected between the second belt pulley 81 and the first belt pulley 71, and a first worm 82 in transmission connection with the first worm wheel 131 is fixedly connected to the center of the second belt pulley 81; the second worm wheel 15 is rotatably connected in the base 1 and is in transmission connection with the second worm 141, a push-pull rod 16 is in threaded connection with the center of the second worm wheel 15, and one end of the push-pull rod 16 penetrates through the base 1 and is fixedly connected with a sliding rod 161 which is in sliding connection with the sliding groove 61; and the limiting mechanism is arranged on the shell 4 and is clamped into one of the caulking grooves to limit the positions of the shell 4 and the rotating disk 13.
Preferably, as shown in fig. 5, 8 and 9, the caulking groove is divided into a first caulking groove 43 and a second caulking groove 41, the upper end of the first caulking groove 43 penetrates through the housing 4, and the limiting mechanism is snapped into the first caulking groove 43.
Preferably, as shown in fig. 5, 8, 9 and 10, the card slot is divided into a first card slot 44 communicated with the first insertion slot 43 and a second card slot 42 communicated with the second insertion slot 41, and the protrusions are divided into a first protrusion 132 for being snapped into the first card slot 44 and a second protrusion 133 for being snapped into the second card slot 42.
Preferably, as shown in fig. 8, 9 and 10, the volume of the first protrusion 132 is the same as the size of the inner cavity of the first locking groove 44.
Preferably, as shown in fig. 2, 8, 9, and 10, the limiting mechanism includes a positioning plate 12 slidably connected to the housing 4 and inserted into the first caulking groove 43, a spring 11 for pushing the positioning plate 12 to limit the first protrusion 132 is installed between the positioning plate 12 and the housing 4, and when the spring 11 is in a natural state, a moving space exists between the positioning plate 12 and the first caulking groove 43.
Preferably, as shown in fig. 2, a fixing sleeve 5 is fixedly connected between the output end of the motor 3 and the main shaft 17, and the motor 3 is fixedly mounted on the horizontal limb of the mounting plate 6.
The working principle is as follows:
when the centrifugal fan is used, an air inlet and an air outlet of the centrifugal fan need to be connected to a system pipeline, the handle 101 is pulled at first, the adjusting rod 10 moves horizontally along the axis until the driving gear 102 is meshed with the first gear 72, at this time, the rotating handle 101 can drive the first rotating shaft 7 to rotate, and further drive the first belt pulley 71 to rotate, the first belt pulley 71 drives the second belt pulley 81 to rotate along with the transmission of the transmission belt 9, so as to drive the first worm 82 to rotate, the first worm 82 can drive the first worm wheel 131 to rotate along with the rotation, so that the rotating disc 13 rotates, and the positioning disc 18 is used for limiting the rotating disc 13, so that the rotating disc 13 and the mounting plate 6 can only rotate but cannot move axially, in the rotating process of the rotating disc 13, because the first protrusion 132 is embedded in the first slot 44 under the effect of the positioning plate 12, the rotating disc 13 drives the housing 4 to rotate along with the rotation, the air outlet of the fan is driven to change the direction in the radial direction, so that the fan is suitable for pipeline connection.
The adjusting rod 10 horizontally moves along the axis by pulling the handle 101 until the driving gear 102 is meshed with the second gear 142, at this time, the handle 101 is rotated to drive the second rotating shaft 14 to rotate and drive the second worm 141 on the second rotating shaft 14 to synchronously rotate, the second worm 141 drives the second worm gear 15 meshed with the second worm 141, and further the push-pull rod 16 is driven to move back and forth, so that the sliding rod 161 slides in the sliding groove 61, and further the mounting plate 6 is driven to be rotationally connected with the base 1 by taking the first rotating shaft 7 as a shaft, thereby changing the inclination angle of the fan in the axis direction and further adapting to pipeline connection; in the process, the mounting plate 6 rotates around the first rotating shaft 7, so that the distance between the first belt pulley 71 and the second belt pulley 81 is not changed, and the transmission belt 9 is not affected in the rotating process.
Will overhaul when centrifugal fan long-time work, need pull down shell 4 and when clearing up and part change its inside, at first overcome spring 11 and promote locating plate 12 left, make locating plate 12 get into the removal space of first caulking groove 43, make it no longer fix a position first arch 132, can rotate shell 4 clockwise this moment, make first arch 132 enter into first caulking groove 43, second arch 133 enters into second caulking groove 41, just so can pull down shell 4, and then overhaul the inside of fan, convenient and fast.
When the shell 4 needs to be installed again after the maintenance is finished, the positioning plate 12 is firstly pressed against the spring 11, the first protrusion 132 enters the first insertion groove 43, the second protrusion 133 enters the second insertion groove 41, the shell 4 is rotated anticlockwise at the moment, the first protrusion 132 enters the first insertion groove 44, the second protrusion 133 enters the second insertion groove 42, the positioning plate 12 is loosened, the positioning plate 12 returns under the action of the spring 11, the space where the first protrusion 132 exits the first insertion groove 43 is filled, the first protrusion 132 and the first insertion groove 44 are embedded together, and the installation of the shell 4 is completed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The utility model provides a centrifugal fan convenient to installation maintenance, include the shell, rotate connect in main shaft, the fixed connection of shell in main shaft one end just is located impeller in the shell and connect in the motor of the main shaft other end, its characterized in that, the shell orientation a plurality of caulking grooves and a plurality of draw-in grooves that communicate with the caulking groove have been seted up to one side of motor, centrifugal fan convenient to installation maintenance still including the fan position control mechanism who is used for adapting to the tube coupling.
2. The centrifugal fan convenient to install and maintain of claim 1, wherein the fan position adjustment mechanism comprises:
the base is rotatably connected with a first rotating shaft and a second rotating shaft positioned below the first rotating shaft, the first rotating shaft is fixedly connected with a first belt pulley and a first gear, and the second rotating shaft is fixedly connected with a second worm and a second gear;
the adjusting rod is rotatably connected to the base and positioned between the first rotating shaft and the second rotating shaft, the adjusting rod is connected with the base in a sliding mode, a driving gear used for meshing the first gear or the second gear is fixedly connected to the adjusting rod, and one end, penetrating out of the base, of the adjusting rod is fixedly connected with a handle;
the horizontal limb of the mounting plate is fixedly connected to the first rotating shaft, the vertical limb of the mounting plate is connected with the side face of the shell, a rotating disc is rotatably connected to one side, facing the shell, of the mounting plate, a first worm wheel and a plurality of bulges used for being clamped into the clamping grooves are fixedly connected to the rotating disc, a positioning disc used for limiting the rotating disc to move axially is fixedly connected to the mounting plate, and a sliding groove is formed in the lower end of the vertical limb of the mounting plate;
the second belt pulley is rotatably connected to the vertical limb of the mounting plate, a transmission belt is connected between the second belt pulley and the first belt pulley, and a first worm in transmission connection with the first worm wheel is fixedly connected to the center of the second belt pulley;
the second worm wheel is rotatably connected in the base and is in transmission connection with the second worm, a push-pull rod is in threaded connection with the center of the second worm wheel, and one end of the push-pull rod penetrates through the base and is fixedly connected with a sliding rod in sliding connection with the sliding groove;
and the limiting mechanism is arranged on the shell and is clamped into one of the caulking grooves to limit the positions of the shell and the rotating disk.
3. The centrifugal fan convenient to install and maintain according to claim 2, wherein the caulking groove is divided into a first caulking groove and a second caulking groove, the upper end of the first caulking groove penetrates through the shell, and the limiting mechanism is clamped into the first caulking groove.
4. The centrifugal fan convenient to install and maintain according to claim 3, wherein the clamping groove is divided into a first clamping groove communicated with the first caulking groove and a second clamping groove communicated with the second caulking groove, and the protrusion is divided into a first protrusion for being clamped into the first clamping groove and a second protrusion for being clamped into the second clamping groove.
5. The centrifugal fan convenient to install and maintain according to claim 4, wherein the volume of the first protrusion is the same as the size of the inner cavity of the first clamping groove.
6. The centrifugal fan convenient to install and maintain according to claim 4, wherein the limiting mechanism comprises a positioning plate which is slidably connected with the shell and is clamped into the first caulking groove, a spring used for pushing the positioning plate to limit the first protrusion is installed between the positioning plate and the shell, and when the spring is in a natural state, a moving space exists between the positioning plate and the first caulking groove.
7. The centrifugal fan convenient for installation and maintenance according to claim 1, wherein a fixing sleeve is fixedly connected between the output end of the motor and the main shaft, and the motor is fixedly installed on the horizontal limb of the installation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751743.2A CN113279987A (en) | 2021-07-02 | 2021-07-02 | Centrifugal fan convenient to installation maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751743.2A CN113279987A (en) | 2021-07-02 | 2021-07-02 | Centrifugal fan convenient to installation maintenance |
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| Publication Number | Publication Date |
|---|---|
| CN113279987A true CN113279987A (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110751743.2A Withdrawn CN113279987A (en) | 2021-07-02 | 2021-07-02 | Centrifugal fan convenient to installation maintenance |
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| CN (1) | CN113279987A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506835A (en) * | 2022-09-01 | 2022-12-23 | 臻友重工(江苏)有限公司 | Remove integral type refrigeration air-cooler |
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| CN212959191U (en) * | 2020-08-10 | 2021-04-13 | 辽宁健泓新能源科技有限公司 | Centrifugal fan convenient to maintenance |
| CN213064023U (en) * | 2020-09-04 | 2021-04-27 | 上海冠带通风节能设备有限公司 | Centrifugal fan with adjustable air-out direction |
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2021
- 2021-07-02 CN CN202110751743.2A patent/CN113279987A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018040448A1 (en) * | 2016-08-31 | 2018-03-08 | 青岛海尔股份有限公司 | Centrifugal fan |
| CN207145329U (en) * | 2017-08-24 | 2018-03-27 | 湖北楚奕戈环保科技工程有限公司 | The special centrifugal blower of chemical defence |
| CN210889467U (en) * | 2019-08-07 | 2020-06-30 | 浙江荣文风机有限公司 | Centrifugal fan convenient to maintenance |
| CN212959191U (en) * | 2020-08-10 | 2021-04-13 | 辽宁健泓新能源科技有限公司 | Centrifugal fan convenient to maintenance |
| CN213064023U (en) * | 2020-09-04 | 2021-04-27 | 上海冠带通风节能设备有限公司 | Centrifugal fan with adjustable air-out direction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506835A (en) * | 2022-09-01 | 2022-12-23 | 臻友重工(江苏)有限公司 | Remove integral type refrigeration air-cooler |
| CN115506835B (en) * | 2022-09-01 | 2023-11-24 | 臻友重工(江苏)有限公司 | Remove integral type refrigeration air-cooler |
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Application publication date: 20210820 |