CN212643108U - Low-pressure centrifugal ventilator - Google Patents
Low-pressure centrifugal ventilator Download PDFInfo
- Publication number
- CN212643108U CN212643108U CN202020465158.7U CN202020465158U CN212643108U CN 212643108 U CN212643108 U CN 212643108U CN 202020465158 U CN202020465158 U CN 202020465158U CN 212643108 U CN212643108 U CN 212643108U
- Authority
- CN
- China
- Prior art keywords
- pressure centrifugal
- type fixed
- motor
- casing
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a low pressure centrifugal fan, including support, casing, rectangular channel, inlet scoop, hob, filter screen, brush-holder stud, gas vent, flabellum, electro-magnet, L type fixed block, L type fixed slot, first motor, circular iron plate, second motor and recess. The utility model relates to a rationally, through the net wind structure, filter inspiratory air, reach the effect of net wind, the quality of low pressure centrifugal fan has been improved, impurity such as dust has been avoided simultaneously and filter the screen, use low pressure centrifugal fan causes the influence of different degrees, reach the effect of light clearance, through the mounting structure of being convenient for, fix L type fixed block in L type fixed slot, make fixing firmly on circular iron plate of casing, traditional bolt installation has been avoided, need the loaded down with trivial details process that assistant supported, the effect of light installation has been reached, the efficiency of low pressure centrifugal fan's installation has been improved.
Description
Technical Field
The utility model relates to a centrifugal fan specifically is a low pressure centrifugal fan, belongs to centrifugal fan application technical field.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
The low pressure centrifugal fan is under standard state, and the centrifugal fan that the total pressure value does not exceed 980 Pa, at present, adopts the bolt to fix between the motor on the low pressure centrifugal fan and the casing usually, and the required assistant holds casing and motor and keeps at horizontal position, and the process is consuming time and energy, and is not convenient for operate, and the gas of exhalant contains impurity such as dust, causes the influence of different degrees to low pressure centrifugal fan's use. Therefore, a low-pressure centrifugal fan is proposed to solve the above problems.
Disclosure of Invention
The utility model aims at providing a low pressure centrifugal fan in order to solve above-mentioned problem.
The utility model realizes the purpose through the following technical proposal, a low-pressure centrifugal ventilator comprises a bracket, a wind purifying structure and a convenient installation structure, wherein the top of the bracket is fixedly connected with the bottom of a first motor through a bolt;
the air purifying structure comprises a filter screen, a brush rod, a spiral rod, a rectangular groove and a second motor, wherein the inner side wall of the air suction opening is fixedly connected with the annular surface of the filter screen, the brush rod is arranged on one side of the filter screen, the inner side wall of one end of the brush rod is in threaded connection with the annular surface of the spiral rod, and one end of the spiral rod is fixedly connected with the output end of the second motor;
the mounting structure of being convenient for includes electro-magnet, L type fixed block, L type fixed slot, recess and circular iron plate, a plurality of electro-magnet is installed to the equidistance on the inside wall of casing, just a plurality of L type fixed block is installed to the one end equidistance of casing, L type fixed block is located L type fixed slot, one side of L type fixed slot is seted up flutedly, the recess is located circular iron plate, the one end of circular iron plate and the one end fixed connection of first motor.
Preferably, the annular surfaces at the two ends of the screw rod are fixedly connected with the inner side wall of the bearing, and the bearing is embedded on the inner side wall of the shell.
Preferably, the surface of the brush rod is provided with soft brush wires, and the brush wires are attached to the surface of one side of the filter screen.
Preferably, the electromagnet is located in the placing groove, the placing groove is formed in the inner side wall of one end of the shell, and a heat insulation layer is arranged in the placing groove.
Preferably, the output end of the first motor is connected with the fan blade, the fan blade is located in the inner cavity of the shell, the shell is provided with an air suction opening, and the shell is communicated with the air exhaust opening.
Preferably, the casing is provided with a rectangular groove, and the rectangular groove is internally provided with a screw rod.
The utility model has the advantages that:
1. this kind of low pressure centrifugal fan reasonable in design through clean wind structure, filters inspiratory air, reaches the effect of clean wind, has improved low pressure centrifugal fan's quality, has avoided impurity such as dust to block up the filter screen simultaneously, causes the influence of not equidimension to low pressure centrifugal fan's use, reaches the effect of light clearance.
2. This kind of low pressure centrifugal fan reasonable in design through the mounting structure of being convenient for, fixes L type fixed block in the type fixed slot, makes fixing firmly on circular iron plate of casing, has avoided traditional bolt installation, needs the loaded down with trivial details process that assistant supported, has reached the effect of light installation, has improved the efficiency of low pressure centrifugal fan's installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure between the air suction inlet and the filter screen;
FIG. 3 is a schematic view of the connection structure of the screw rod and the brush rod of the present invention;
fig. 4 is the schematic view of the connection structure of the groove and the L-shaped fixing groove of the present invention.
In the figure: 1. the device comprises a support, 2, a shell, 3, a rectangular groove, 4, an air suction opening, 5, a spiral rod, 6, a filter screen, 7, a brush rod, 8, an air exhaust opening, 9, fan blades, 10, an electromagnet, 11, an L-shaped fixing block, 12, an L-shaped fixing groove, 13, a first motor, 14, a circular iron plate, 15, a second motor, 16 and a groove.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, a low-pressure centrifugal fan comprises a bracket 1, a wind purifying structure and a structure convenient for installation, wherein the top of the bracket 1 is fixedly connected with the bottom of a first motor 13 through a bolt;
the air purifying structure comprises a filter screen 6, a brush rod 7, a spiral rod 5, a rectangular groove 3 and a second motor 15, the inner side wall of an air suction opening 4 is fixedly connected with the annular surface of the filter screen 6, the brush rod 7 is installed on one side of the filter screen 6, the inner side wall of one end of the brush rod 7 is in threaded connection with the annular surface of the spiral rod 5, one end of the spiral rod 5 is fixedly connected with the output end of the second motor 15, and the air purifying effect is achieved;
convenient to mounting structure includes electro-magnet 10, L type fixed block 11, L type fixed slot 12, recess 16 and circular iron plate 14, and equidistant a plurality of electro-magnet 10 of installing on the inside wall of casing 2, just a plurality of L type fixed block 11 is installed to the one end equidistance of casing 2, L type fixed block 11 is located L type fixed slot 12, recess 16 has been seted up to one side of L type fixed slot 12, recess 16 is located circular iron plate 14, circular iron plate 14's one end and first motor 13's one end fixed connection reach the effect of the installation of being convenient for.
The annular surfaces at the two ends of the screw rod 5 are fixedly connected with the inner side wall of the bearing, and the bearing is embedded on the inner side wall of the shell 2, so that the effect of purifying wind is achieved; the surface of the brush rod 7 is provided with soft brush wires, and the brush wires are attached to the surface of one side of the filter screen 6, so that the effect of wind purification is achieved; the electromagnet 10 is positioned in the placing groove, the placing groove is formed in the inner side wall of one end of the shell 2, and a heat insulation layer is arranged in the placing groove, so that over-high temperature demagnetization of the electromagnet 10 is avoided; the output end of the first motor 13 is connected with a fan blade 9, the fan blade 9 is positioned in the inner cavity of the shell 2, the shell 2 is provided with an air suction opening 4, and the shell 2 is communicated with an air exhaust opening 8; the casing 2 is provided with a rectangular groove 3, and a screw rod 5 is installed in the rectangular groove 3, so that the space is reasonably utilized.
When the utility model is used, firstly, all the electrical components in the device are externally connected with a control switch and a power supply, the L-shaped fixed block 11 which is arranged on the shell 2 at equal intervals passes through the groove 16 and enters the L-shaped fixed groove 12, then the L-shaped fixed block 11 is fixed in the L-shaped fixed groove 12 by rotating the shell 2, in order to avoid the shaking of the low-pressure centrifugal fan in the using process, the L-shaped fixed block 11 slides to the groove 16 to be separated from the inner cavity of the L-shaped fixed groove 12, therefore, a plurality of electromagnets 10 are equidistantly arranged on the inner side wall of one end of the shell 2, the electromagnets 10 are started to enable the electromagnets 10 to generate magnetism, the circular iron plate 14 is made of iron materials, so that the electromagnet 10 and the circular iron plate 14 are attracted, the shell 2 is firmly fixed on the circular iron plate 14, the effect of easy installation is achieved, and the installation efficiency of the low-pressure centrifugal fan is improved;
then through the filter screen 6 of the inboard wall mounting of inlet scoop 4, filter inspiratory air, reach the effect of clean wind, the quality of low pressure centrifugal fan has been improved, and in order to avoid impurity such as dust to block up filter screen 6, need regular clearance, so at the installation brush-holder stud 7 of filter screen 6 one side, be provided with soft brush-holder stud on the brush-holder stud 7, the brush-holder stud pastes on the surface of filter screen 6 one side, when needs clearance, will start second motor 15, hob 5 will rotate along with the rotation of second motor 15, principle through hob 5 helical motion, make brush-holder stud 7 round trip movement on hob 5, clear away impurity such as absorbent dust on the filter screen 6, the practicality has been strengthened.
The second motor 15 adopts D0603-15000KV provided by Dongxingwei motor Limited of Shenzhen city
The motor of the model is provided with a matched power circuit by a manufacturer.
It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A low pressure centrifugal fan, its characterized in that: the wind purifying device comprises a support (1), a wind purifying structure and a structure convenient to mount, wherein the top of the support (1) is fixedly connected with the bottom of a first motor (13) through a bolt;
the air purifying structure comprises a filter screen (6), a brush rod (7), a spiral rod (5), a rectangular groove (3), an air suction opening (4) and a second motor (15), wherein the inner side wall of the air suction opening (4) is fixedly connected with the annular surface of the filter screen (6), the brush rod (7) is installed on one side of the filter screen (6), the inner side wall of one end of the brush rod (7) is in threaded connection with the annular surface of the spiral rod (5), and one end of the spiral rod (5) is fixedly connected with the output end of the second motor (15);
convenient to mounting structure includes casing (2), electro-magnet (10), L type fixed block (11), L type fixed slot (12), recess (16) and circular iron plate (14), a plurality of electro-magnet (10) are installed to the equidistance on the inside wall of casing (2), just a plurality of L type fixed block (11) are installed to the one end equidistance of casing (2), L type fixed block (11) are located L type fixed slot (12), one side of L type fixed slot (12) is seted up flutedly (16), recess (16) are located circular iron plate (14), the one end of circular iron plate (14) and the one end fixed connection of first motor (13).
2. A low-pressure centrifugal blower according to claim 1, wherein: the two end annular faces of the screw rod (5) are fixedly connected with the inner side wall of the bearing, and the bearing is embedded on the inner side wall of the shell (2).
3. A low-pressure centrifugal blower according to claim 1, wherein: the surface of the brush rod (7) is provided with soft brush wires, and the brush wires are attached to the surface of one side of the filter screen (6).
4. A low-pressure centrifugal blower according to claim 1, wherein: the electromagnet (10) is located in the placing groove, the placing groove is formed in the inner side wall of one end of the shell (2), and a heat insulation layer is arranged in the placing groove.
5. A low-pressure centrifugal blower according to claim 1, wherein: the output of first motor (13) is connected with flabellum (9), flabellum (9) are located casing (2) inner chamber, inlet scoop (4) have been seted up on casing (2), just casing (2) and gas vent (8) intercommunication.
6. A low-pressure centrifugal blower according to claim 1, wherein: a rectangular groove (3) is formed in the shell (2), and a spiral rod (5) is installed in the rectangular groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020465158.7U CN212643108U (en) | 2020-04-02 | 2020-04-02 | Low-pressure centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020465158.7U CN212643108U (en) | 2020-04-02 | 2020-04-02 | Low-pressure centrifugal ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212643108U true CN212643108U (en) | 2021-03-02 |
Family
ID=74767065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020465158.7U Active CN212643108U (en) | 2020-04-02 | 2020-04-02 | Low-pressure centrifugal ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212643108U (en) |
-
2020
- 2020-04-02 CN CN202020465158.7U patent/CN212643108U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107421005B (en) | Portable window type air conditioner | |
| US12007128B2 (en) | Outdoor unit for air conditioner, and air conditioner | |
| CN210568878U (en) | Air conditioner outdoor unit and air conditioning equipment | |
| CN212643108U (en) | Low-pressure centrifugal ventilator | |
| CN212899081U (en) | High-efficiency plug-in centrifugal fan | |
| CN202370872U (en) | Novel fan assembly for communication cabinet | |
| CN213064023U (en) | Centrifugal fan with adjustable air-out direction | |
| CN208474181U (en) | A kind of large fan of assembling easy to disassemble | |
| CN216691515U (en) | Extensive applicability's fan adjusting bracket | |
| CN212155210U (en) | High-efficiency outer rotor centrifugal fan | |
| CN215419942U (en) | Grinding room for cement mill | |
| CN211202375U (en) | Motor heat dissipation device | |
| CN215370314U (en) | Fan for improving wind power | |
| CN213778040U (en) | Novel heating ventilation fan for building | |
| CN201459303U (en) | Repetitive cooler for cotton spinning foreign fiber clearers | |
| CN220337089U (en) | Waterproof type direct current brushless centrifugal fan | |
| CN112577126A (en) | Air conditioner outdoor unit and air conditioning equipment | |
| CN210769437U (en) | Plastic casing fan | |
| CN219509860U (en) | Large-air-quantity type direct-current brushless centrifugal fan | |
| CN217976741U (en) | Heat insulation type centrifugal fan top mounting bracket | |
| CN217327771U (en) | Energy-saving variable frequency pipeline fan | |
| CN215333655U (en) | Novel fan with cooling structure | |
| CN220302356U (en) | Energy-saving centrifugal fan | |
| CN112577125A (en) | Air conditioner outdoor unit and air conditioning equipment | |
| CN219176589U (en) | DC brushless vortex fan for large fuel cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |